Meet our Associates and Consultants
Our Practice has included over 50 diverse professionals in the capacity of associates and consultants such as behavioural therapists, psychometrists, sexuality consultants, psychologists, educational and psychoeducational consultants, communication specialists, ASD trainers and consultants.
Cameron Bingham, M. ADS.
Read more about Cameron.
Cameron Bingham holds an Specialized Honours of Arts Degree in Psychology from York University and a Masters in Applied Disability Studies with a specialization in Applied Behaviour Analysis (ABA) from Brock University. He is currently completing the necessary requirements for becoming a Board Certified Behaviour Analyst (BCBA). Cameron has extensive experience working in the area of Applied Behaviour Analysis with children, adolescents and adults with developmental disabilities. Cameron provides behavioural consultations, assessments, treatment plans and training to a variety of community agencies and families that work with or have individuals with a range of disabilities.
Vanessa Boden, M.A., BCBA
Read more about Vanessa.
Vanessa Bowden is a Board Certified Behaviour Analyst (BCBA). She holds an Honours Bachelor of Science in Biology and Psychology from McMaster University and a Master of Arts in Clinical Psychology – Applied Behavior Analysis (ABA) Specialization from the Chicago School of Professional Psychology. She has extensive experience providing behavioural consultations, assessments, treatment plans and staff training in a variety of settings that serve individuals with a range of developmental disabilities and/or mental health challenges. Vanessa is a member in good standing of the Ontario Association for Applied Behaviour Analysis (ONTABA) and Ontario Association of Consultants, Counsellors, Psychometrists and Psychotherapists (OACCPP).
Cathy Cancilla, M. ABA
Read more about Cathy.
Cathy Cancilla holds a Masters Degree – Applied Behaviour Analysis (ABA)
Giverny Charlebois, B.A.A
Behaviour Therapy Assistant
Read more about Giverny.
Giverny Charlebois holds a Bachelor’s degree in Behavioural Psychology from St. Lawrence College, Kingston, and is currently working towards her Masters of Applied Disability Studies (ABA) at Brock University. Giverny has experience working with children, adults, and elderly in various settings including residential settings, treatment settings, and inpatient hospital settings. Giverny has experience and exposure with implementing active treatment and working as part of a multidisciplinary team. Giverny is currently working as a Behaviour Therapist Assistant in settings such as community agencies providing services for people displaying developmental and behavioural challenges. Giverny is a member in good standing with the Ontario Association for Applied Behaviour Analysis (ONTABA).
Jasmin Corbie, M.Psy
Read more about Jasmin.
Jasmin Corbie holds a degree in Psychology from York University, and a Masters of Psychology with a certificate in School Psychology through Adler Professional Graduate School. Jasmin is an experienced neuropsychometrist and was previously involved in research on the effects of Cognitive Behaviour Therapy on patients post traumatic injury. She conducts psychological and neuropsychological assessments in a variety of client groups, ranging from adults with acquired brain injury to children within the school setting.
Alison Cox, Ph.D., BCBA-D.
Read more about Alison
Alison Cox holds a Doctor of Philosophy degree in Psychology from the University of Manitoba. She is also a Board Certified Behavior Analysis – Doctoral level. Throughout her PhD, Alison was involved in a variety of research initiatives ranging from developing measures to reliably identify preference in individuals with profound multiple disabilities to teaching children and adolescents with autism to successfully undergo MRI procedures. Though her research interests varied, her primary interest was in the effects of psychotropic medication on behaviour. Namely, how medication changes impacted behaviour function across time. Through her current and past research and clinical experiences Alison has developed specific expertise in assessing and treating challenging behaviour in individuals with dual diagnosis, supporting skill acquisition in individuals with dual diagnosis and autism, and supervising early intensive behavioural intervention programs. Alison has also presented at several international behaviour analytic conferences, was invited to speak at community agencies across the United States, and has published several articles including publications in the Journal of Applied Behaviour Analysis.
Fran Dillon, B. Sc, B.Ed
Read more about Fran.
Fran Dillon holds a Bachelor of Science degree in Psychology from the University of Toronto as well as a Bachelor of Education with a Special Education Specialist Certificate from York University. Fran spent over thirty years working in the Simcoe County District School Board gaining significant experience in the field of Special Education working with Special Needs students. Some of her previous positions include Elementary School Principal supervising Autism and Social Skills County Classes, Special Education Class teacher, Special Education Resource teacher. As a Special Education Consultant under the supervision of Clinical Psychologists, Fran conducts psychoeducational assessments for a variety of school boards.
Tammy Drain, Ph.D., C.Psych.
Read more about Tammy.
Dr. Tammy Drain holds a Doctor of Philosophy degree in School and Clinical Child Psychology from the University of Toronto. Dr. Drain is a member of the College of Psychologists of Ontario and is a Registered Psychologist. Dr. Drain has provided a range of psychological services to children and youth with complex mental health and/or developmental challenges in schools, community mental health agencies (Child and Adolescent Services of Hamilton, Family Services York Region, and Child and Parent Resource Institute), and hospitals (Trillium Health Centre, London Health Sciences Centre, and St. Joseph’s Health Care – Regional Mental Health Care London). Dr. Drain has over 10 years of experience working in the field of applied behaviour analysis. She also has extensive research and clinical experience in the assessment and treatment of children with developmental disabilities, including autism spectrum disorders. Dr. Drain has worked with Pryor, Linder and Associates since 2005.
Ruth Estrada, B.Sc (Hons)
Behaviour Therapy Assistant
Read more about Ruth.
Ruth Estrada graduated from the University of Toronto with an Honours Bachelor of Science degree in Psychology and Health Studies. Since 2009, Ruth has gained experience working with individuals who exhibit challenging behaviours, Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder and developmental disabilities. She has worked with children, adolescence and adults in homes, and school settings. Ruth is Dialectical Behaviour Therapy (DBT) informed, and is currently working towards her certification as a Registered Behaviour Technician (RBT).
Michelle Fair, M.A., BCBA
Read more about Michelle.
Michelle Fair holds a Developmental Service Worker Diploma from Humber College, a Bachelor’s degree in Sociology/Psychology from McMaster University, a Master’s Degree in Psychology from Northcentral University in Prescott Arizona and a certificate in Applied Behaviour Analysis from Florida Institute of Technology. Michelle is also a Board Certified Behaviour Analyst (BCBA). Michelle has extensive direct care, managerial and clinical experience working with young children, teens, adults and the elderly in the field of developmental disabilities and mental health specializing, in dual diagnosis. She has worked with Ministry funded residential homes and day programs, treatment centers, school boards and in-home behaviour therapy providing behaviour assessments including analog functional analysis and behaviour treatment/support plans. She also provides cognitive behaviour therapy for various mental health challenges and pain management. Michelle is a member in good standing with the Ontario Association for Behaviour Analysis (ONTABA) and the Ontario Association of Consultants, Counsellors, Psychometrists and Psychotherapists (OACCPP).
Joanne Garrie, M.Ed
Read more about Joanne.
Joanne Garrie holds an Honours Bachelor of Arts in Psychology from York University and a post-graduate certificate in Psychometrics (theory of test construction) from York University. She also obtained a Masters in Education from the Department of Educational Psychology, specializing in School Psychology from the University of Alberta. Experience working with children, adolescents, and adults with Learning Disabilities, Attention Deficit Hyperactivity Disorder, Intellectual/Developmental Disabilities and Autism Spectrum Disorder.
Jon Gillman, Adv. Dip. BST, PRHS
Behaviour Therapy Assistant
Read more about Jon.
Jon Gillman holds an Advanced Diploma in Behavioural Sciences Technology from Georg Brown College, and is currently completing an Undergraduate Degree in Psychology with Athabasca University. Jon also holds a certificate in Health Sciences with Georgian College and is a member in good standing with the Ontario Association for Applied Behaviour Analysis (ONTABA). Jon assists in providing behavioural assessments and treatment plans to a wide variety of individuals with disabilities including behaviour therapy support to families with children and adolescents who exhibit behavioural challenges.
Meghann Henderson, MA, RP
Read more about Meghann.
Meghann holds a Masters degree in Counselling Psychology. Meghann is a member with the Canadian Association for Play Therapy (CAPT), and is in the process of becoming a Certified Play Therapist. She is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrists, and Psychotherapists (OACCPP), Canadian Counselling and Psychotherapy Association (CCPA), The American Psychological Association (APA) as well as the Canadian Psychological Association (CPA). Meghann is a Registered Psychotherapist, with the College of Registered Psychotherapists of Ontario (CRPO). Prior to starting her career in Psychotherapy, she worked in the field of Social Work, in child welfare; working with and supporting foster parents and foster children. Meghann has extensive experience and training working with children, adolescents, and individuals with Intellectual/ Developmental Disabilities, Autism, and Learning Disabilities using a variety of approaches. Meghann has specialized training and expertise in the areas of Play Therapy, attachment, child development, and working with children who are or have been foster children. She provides consultation and psychotherapy treatment to a wide variety of individuals.
Read more about Ariel.
Sarah Husain, M.Ed., C.Psych.
Read more about Sarah.
Sarah completed her masters degree in school psychology at the University of British Columbia in 2010 and is a Registered Psychologist with the College of Psychologists of Ontario. Sarah has extensive training in the area of child development and learning. Her experience includes providing diagnostic and consulting services across a range of settings, including schools boards, post secondary institutions, and private practice.
Sandra Jackson, Ph.D., C. Psych
Director of Forensic and Clinical Services
Read more about Dr. Jackson.
Dr. Sandra Jackson completed her Masters in psychology in 1994 and her doctorate in clinical psychology at York University, Toronto Canada in 2011. She is currently an independent registered psychologist with the College of Psychologist of Ontario. Dr. Jackson began her career working with difficult youth, which included experience in treatment settings as well as working front line with street youth in downtown Toronto. In 1997 she began working in private practice with various registered psychologists. Over the past 15 years she has been collaboratively conducting assessments for forensic settings (Corrections Canada, Ministry of Community Safety and Correctional Services, Lawyers/Courts for Sentencing Purposes) as well as organizational or work place settings. This work has included criminal risk assessments, employment selection for police and armed security workers and work place violence/aggression threat assessments, as well as assessing and facilitating accommodation plans for individuals with various mental health issues.
Dr. Jackson has been involved in the development of a psychological assessment process for the selection of armed security officers; the development of interventions for an organization with a culture of sexual abuse and intimidation, and the creation and delivery of workshops aimed at the reduction of organizational stress in the workplace.
Dr. Jackson has also been active in providing individual treatment for individuals for a wide range of individuals, including federal and provincial offenders. She also works as a consultant to and treatment provider for, Circles of Support and Accountability, an organization that attempts to increase public safety by working with sex offenders who have been returned to the community.
Lisa Lariviere, B.Sc., C.D.A.
Read more about Lisa.
Lisa Lariviere holds an Honours Bachelor of Science degree with a Psychology Specialist and Crime & Deviance Major from the University of Toronto, and has completed a post-graduate program in Communication Disorders. Ms. Lariviere is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrists and Psychotherapists (OACCPP). Ms. Lariviere has an extensive background in acquired brain injury rehabilitation. She has worked with Community Care Access Centre’s Acquired Brain Injury Program since 1986 where she specializes in the care of people who have sustained impairments as a result of traumatic injury. Ms. Lariviere has also consulted with the Central East Autism Program for several years, working with families of children who have been diagnosed with an Autism Spectrum Disorder. Ms. Lariviere has completed the Applied Suicide Intervention Skills Training (ASIST) program.
Bruce A. Linder, Ph.D., C. Psych., BCBA-D
Read more about Dr. Linder.
Dr. Bruce Linder is a Registered Psychologist registered with the College of Psychologists of Ontario (CPO). Dr. Linder received his Ph.D in 1985 from McMaster University in Experimental Psychology (Developmental). He gained experience with both children and adults through his internships at the Behavioural Medicine Unit at St. Joseph’s Healthcare in Hamilton, Ontario and at the Hamilton Board of Education in 1984-1986. He has been registered with the CPO since 1986, is a Board Certified Behavior Analyst at the Doctoral level and is a member of the Canadian Register of Health Service Providers in Psychology (CRHSPP).
Dr. Linder’s designated areas of practice are in rehabilitation and counseling psychology for children, adolescents, adults, families and organizations. He is currently Clinical Director at Brain Injury Services of Hamilton and Consulting Psychologist to the Niagara Catholic District School Board. He is also an Adjunct Assistant Professor in the Department of Psychology, Neuroscience and Behaviour at McMaster University. Dr. Linder continues to oversee the assessment and treatment of children and adults with developmental, intellectual, mental health and complex behavioural needs, which includes providing psychological counseling, psychotherapy and behavioural therapy to these populations.
Current and past research interests have included program evaluations of school-based violence prevention programs, individualized and group remedial educational programs with learning disabled children, conflict resolution training, cognitive behavioural therapy groups and determinants of quality of life for adults with acquired brain injuries, and caregiver styles among service providers for developmentally disabled individuals.
Dr. Linder is the co-founder of Pryor, Linder and Associates, a practice that prides itself for its work in clinical and educational psychology for over 30 years. Dr. Linder is also a Director with Safe Management Group Inc. and Autism Behaviour Habilitation Services. Dr. Linder is an approved clinical supervisor for families looking for service delivery through the Direct Funding Option (DFO).
Krishan Maheswaran, B.Sc. (Hons), Adv. Dip. BST
Read more about Krishan.
Krishan Maheswaren holds an Honours Bachelors of Science from the University of Ontario, with a major in Criminology. In addition, he has obtained a Behavioural Science and Technology (Intensive) advanced diploma from George Brown College. Krishan plans to further his studies by pursuing a Masters in Forensic Psychology, as he is currently assisting Ms. Brandie Stevenson with Forensic Assessments. Krishan also assists with providing behavioural consultations, assessments, treatment plans and training to a variety of agencies that work with individuals with developmental disabilities.
Brittany Malmone, M.Sc.
Read more about Brittany.
Nicole Marra, BCBA
Read more about Nicole.
Robin J. May, B.A. (Hons.)
Read more about Robin.
Robin May holds an Honours Bachelor of Arts degree in Exceptionality in Human Learning (Majoring in Psychology) from the University of Toronto. Robin has extensive experience with acquired brain injury rehabilitation, having worked as a Senior Rehabilitation Therapist with the Hamilton Health Sciences (formerly Chedoke-McMaster Hospitals) Acquired Brain Injury Program for eleven years. Robin has many years of experience in the field of applied behaviour analysis, and has worked as a behaviour therapist specializing in assessment and treatment planning for people with intellectual and behavioural challenges. In addition, Robin maintains an active case management practice, specializing in the care of people who have sustained catastrophic impairments as a result of traumatic injury. Robin is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrists and Psychotherapists (OACCPP), as well as the Ontario Association for Applied Behaviour Analysis (ONTABA).
Deanna Minervini, M. ADS., BCBA
Read more about Deanna.
Deanna Minervini holds an Honors of Science degree in Biology and Psychology from McMaster University and Masters degree in Applied Disability Studies with a specialization in Applied Behaviour Analysis from Brock University. Deanna is a Board Certified Behaviour Analyst (BCBA). Deanna provides behavioural consultations, assessments, treatment plans and training to a variety of agencies that work with individuals with a range of disabilities, as well as private individuals and families. Deanna also provides psychological and psycho-educational assessments in both children and adults. Deanna is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrist and Psychotherapists (OACCPP) as well as the Ontario Association for Applied Behaviour Analysis (ONTABA).
Ewelina Miszelska, M.ADS., BCBA
Read more about Ewelina.
Ewelina Miszelska holds an Honours Bachelor of Arts degree from McMaster University and a Masters degree in Applied Disability Studies with a specialization in Applied Behaviour Analysis from Brock University. Ewelina is Board Certified Behaviour Analyst (BCBA) and has over 10 years of clinical experience and training in the field of Applied Behaviour Analysis (ABA), and alternative treatment modalities such as Cognitive Behaviour Therapy (CBT) and Dialectical Behaviour Therapy (DBT). Her experience and interests include: provision of Functional Assessments and behavioural interventions to individuals with Intellectual Disabilities (ID), children on the spectrum of Autism (ASD), individuals with an Acquired Brain Injury (ABI), as well as Dually Diagnosed (DD) populations. Ewelina is a member in good standing of The Ontario Association for Behaviour Analysis (ONTABA).
Le-Anh Ngo, M.Sc.
Ream more about Le-Ahn.
Le-Anh Ngo is a psychometrist and consultant for PLA. She conducts psychological and neuropsychological assessments in a variety of client groups, ranging from adults with acquired brain injury to children with autism. Le-Anh has an Honours of Science degree in Psychology and a Master of Science degree in Rehabilitation Science and Neuroscience, both from the University of Toronto. Under the supervision of Drs. Robin Green and Donald Stuss, she examined firstly, whether intensive cognitive stimulation could enhance cognitive capacity in normal control adults, and secondly, whether cognitive stimulation could be a factor in preventing post-rehabilitation regression in people with an acquired brain injury. Le-Anh has a strong interest in understanding the implications of environmental enrichment on neurorehabilitation. Specifically, she is interested in whether engagement in stimulating environments or activities facilitates the course of recovery in the short term and long term. In addition to conducting assessments, Le-Anh continues be involved in research. She is currently being certified as Cognitive Behavioural Therapist and hopes to add knowledge of treatment options to her assessment background. She is a member of the Ontario Association of Consultants, Counsellors, Psychometrists, and Psychotherapists.
Mary Philips, M.Ed., BCBA
Read more about Mary.
Mary Philips holds a Master of Education from the University of Toronto and is a Board Certified Behaviour Analyst. Mary is a member of the Ontario Association for Behaviour Analysis (ONTABA) and the Ontario Association of Consultants, Counsellors, Psychometrists, and Psychotherapists (OACCPP). Mary has extensive experience developing and supervising behavioural and educational programming for children and adolescents with Autism Spectrum Disorder (ASD). In addition, Mary provides in-home or clinical behaviour based consultation, assessment, and treatment to individuals with developmental disabilities.
Catherine N. Pryor, Ph.D., C. Psych.
Read more about Dr. Catherine Pryor.
Dr. Catherine Pryor has been with Pryor, Linder, & Associates since its inception in 1985. She is a Registered Psychologist since 1995, having completed her Ph.D. at the University of Wales, Cardiff, U.K. Dr. Pryor is a member of the College of Psychologists of Ontario, the Canadian Psychological Association and is a Registered Psychologist. Her work examining the long term functional changes experienced by women after the first birth was considered the first of its kind in the area of reproductive psychology, and was awarded the highest 5 star rating.
Besides providing clinical and diagnostic supervision for PLA’s autism assessment services, she has served as the consultant Clinical Director for the Autism Services IBI and ABA based programs in the South West Region through Thames Valley Children’s Centre since 2007. Dr. Pryor serves on various Committees supporting research and development in the area of children’s services (the first Expert Clinical Panel in Autism, the Applied Behavior Analysis workgroups for the Ministry of Children and Youth Services; the Restraint Committee and Diagnosis Committee with Thames Valley Children’s Centre, the provincial Childhood Strengths and Needs (CANS) Collaborative). She is a past Chair of the Clinical Directors Network of Ontario (2009-2011). Dr. Pryor also trains and supervises Post-doctoral candidates in clinical psychology and MA student psychology practicums in behavioral treatment programs.
Dr. Pryor’s clinical focus has been on neurodevelopmental assessment and diagnosis of children and youth with varying special needs including autism, and behavioral treatment and consultation to community and treatment providers for children and youth with special needs and autism. She has provided psychological services to over 20 hospitals, community agencies and school boards (Erin Oak Kids Pathways Centre for Youth, Guelph Mental Health Clinic, CCAC, Pathways Centre for Youth (Kingston), Surrey Place Centre, Sault Board of Education, Hamilton Health Sciences, Children’s Aid Society).
She was previously employed with two Neurodevelopmental Assessment and Treatment Services teams at Chedoke-McMaster Children’s Hospital, Hamilton, Ontario, working with children with autism and neurodevelopmental and communication disorders, the Hospital for Sick Children, and with behavioural therapy consultation services at Children’s Consulting Services, Hornby Ontario and the Muskoka Centre for adults with developmental disabilities. .
Colin W. Pryor, Ph.D., C. Psych.
Read more about Dr. Colin Pryor.
Dr. Colin Pryor received his Ph.D. in 1975 from Nottingham University, England, in Clinical Child Psychology. Dr. Pryor is a Registered Psychologist and a member of the Canadian Register of Health Service Providers in Psychology (CRHSPP). He is also a Clinical Psychologist with the NHS, U.K. and a qualified Educational Psychologist in the United Kingdom. He is the Senior Partner with Pryor, Linder and Associates and President of Safe Management Group Inc.
Dr. Pryor has been an Associate Faculty Member to the Department of Psychiatry, McMaster University. Past duties and responsibilities have included Chief Psychologist for the Board of Education for the City of Hamilton, Senior Program Director, Oakland’s Regional Centre, Oakville, Director of Behaviour Management and Parent Education Programs with the Sudbury and District Association for the Mentally Retarded and Consultant and Registered Psychologist, Surrey Place Centre, Toronto.
Current positions include Clinical Director, Peel Halton Acquired Brain Injury Services.
Current and past research interests have included children’s play therapy, school community disciplinary code design and development, family based behavioural management for children with developmental disabilities and research in standardized child behaviour checklists.
Enrico Schirru, B.A., B. Ed.
Read more about Enrico.
Enrico Schirru joined Pryor, Linder and Associates in 2016 following 32 years in education with the Niagara Catholic District School Board. Mr. Schirru, held several positions including classroom teacher, Behaviour/Social Skills Class Teacher, Educational Resource Teacher in both elementary and secondary panels, a system-wide position as Program and Behaviour Resource Teacher in the Special Education Department and served as an Elementary School Principal. Enrico received his Bachelor of Arts and Bachelor of Education from Brock University in 1983 and 1984, respectively and a Special Education Specialist Certificate from Brock University in 1992. Mr. Schirru applies his varied experiences in assessment and programming for learners with special learning needs as he serves Pryor, Linder and Associates in the role of psychometrist. He is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrists and Psychotherapists (OACCPP). Working with Pryor, Linder & Associates since 2016.
Brandie Stevenson, M.A., Psych Associate Clinical and Forensic/Corrections
Partner/Director Safe Management Group
Read more about Brandie.
Brandie graduated with a Masters of Forensic Psychology; Applied Forensic Services in 2008 and has worked in the field of sexuality and forensics since 1997. Brandie is a member in good standing of the Ontario Association of Consultants, Counsellors, Psychometrists and in good standing, with the College of Psychologists of Ontario, as well as the Ontario Association of Psychological, Associates Psychotherapists (OACCPP), Ontario Association for Applied Behaviour Analysis (ONTABA), and Association for the Treatment of Sexual Abusers (ATSA). She has dedicated her clinical work and research in the area of sexuality and high risk behaviours with special need populations and is committed to the education and training of direct-care staff, family members and individuals in the area of sexuality. Brandie provides clinical consultation, assessment and treatment to a range of community services and individuals across Ontario. She works with children, youth and adults who have been victims of sexual abuse, sexual offenders and other high risk behaviours. Brandie is proficient in Applied Behaviour Analysis and Risk Management Principles. Brandie is also a partner with Safe Management Group Inc. which provides staff training in crisis management and workplace violence and harassment.
Hilary Walker, M.Ped., BCBA
Read more about Hilary.
Robin J. Wilson, Ph.D, C. Psych
Read more about Robin.
Dr. Robin J. Wilson is a researcher, educator, and board certified clinical psychologist who received his Ph.D. in Applied Cognitive Science from the University of Toronto. He has worked with sexual and other offenders in institutional and community settings for more than 25 years. He is presently the Clinical Director of the Florida Civil Commitment Center in Arcadia, Florida, in addition to maintaining an international clinical and consultation practice. Robin’s current interests are focused on the collaborative model of risk management and restoration as persons of risk are moved from institutional to community settings. He has published over 65 scientific manuscripts, books and book chapters, research reports and monographs, and has presented widely on the risk assessment, diagnosis and treatment of social and sexual psychopathology. He was the recipient of the Association for the Treatment of Sexual Abusers’ (ATSA) 1996 Graduate Research Award. Robin is presently the Editor of the ATSA Forum, as well as being a member of the editorial boards of Sexual Abuse: A Journal of Research & Treatment, the Journal of Sexual Aggression, and the Howard Journal of Criminal Justice.
Behaviour Therapy Assistant
Read more about Natalie.