We are licensed Psychologists and Social Workers providing evidence-based treatment of psychological issues in the West end of Toronto. We also provide training to psychology graduate students as they work towards completing their doctorate in clinical psychology. This allows us to also provide quality care to community members at a reduced rate with a trainee receiving extensive supervision.
We make every effort to tailor treatment to each individual based on their personality, the challenges they are facing, and their preferences. Each member of our team is extensively trained in numerous evidence-based psychological treatment styles.
Michelle Carroll, Ph.D., C.Psych,
Dr. Michelle Carroll is a clinical psychologist registered with the College of Psychologists of Ontario. She is the co-founder of West End Psychological Services (established in 2011). She completed her Master’s and PhD degrees in Clinical Psychology at the University of Windsor. She has trained in various settings within both Canada and the United States, including the State University of New York (SUNY) – Upstate Medical University, Detroit Receiving Hospital, the Centre for Addiction and Mental Health (CAMH) in Toronto. She has experience in numerous therapeutic interventions including Cognitive Behavioural Therapy (CBT), Dialectical Behaviour Therapy (DBT), Mindfulness-Based Stress Reduction Therapy, Trauma-Focused CBT (including Prolonged Exposure and Cognitive Processing Therapy), Emotion Focused Therapy (EFT), Emotion Focused Therapy for Couples, and Experiential Therapy. She developed and led the inpatient DBT team at St. Joseph’s Healthcare in Hamilton for 3 years. She was also part of the team that developed the St. Joseph’s Healthcare DBT Day Hospital Program (The Bridge to Recovery Program) and was the Clinical Lead of this program until moving to Toronto in 2009.
She also currently works at the Centre for Addiction and Mental Health at the Psychological Trauma Program and Work Stress and Health Program.
Areas of Focus: Her primary areas of clinical interest include anxiety and depression, borderline personality disorder, Post-Traumatic Stress Disorder, complex trauma and work-related stress. She is particularly interested in helping people cope with impulsivity and difficulties managing their emotions. SHe enjoys supervising graduate students interested in becoming more experienced with evidence-based interventions with more complex clients. She provides both individual therapy to adults and couples therapy. She is experienced working with LGBTQ+ individuals and couples.
Sean Kidd, Ph.D., C.Psych
Dr. Sean Kidd is a clinical psychologist registered with the College of Psychologists of Ontario. He is the co-founder of West End Psychological Services. He received his Ph.D. in Clinical Psychology in 2003 from the University of Windsor. He has trained in a range of settings in the United States and Canada including Detroit Receiving Hospital, the Windsor Regional Children’s Centre, private practice settings, and he completed doctoral and postdoctoral fellowships with the Yale University Department of Psychiatry. He has experience in several psychotherapy approaches including Cognitive Behavioural Therapy (CBT) and Emotion Focused Therapy (EFT) as both a practitioner and a clinical supervisor. He is an Associate Professor with the University of Toronto Department of Psychiatry, and he has published over 80 papers in academic journals with a focus on psychological risk and resilience among marginalized groups and cognitive and community interventions. He also works as the Psychology Division Chief at the Centre for Addiction and Mental Health (CAMH). His clinical interests focus on depression, complex trauma, anxiety, and psychosis.
Areas of Focus: He has extensive experience working with people adjusting to various forms of loss and experiencing grief, people coping with work-related stress, and with LGBTQ persons. He works with adults and adolescents.
Sandra Cushing, MSW, RSW
Licensed Social Worker
Sandra Cushing is a Clinical Social Worker registered with the Ontario College of Social Workers and Social Service Workers; and a member of the Ontario Association of Social Workers. Sandra received her Master of Social Work degree with distinction from Wilfrid Laurier University; and her Honours Bachelor of Social Work degree from Ryerson University.
Sandra has had the opportunity to practice in a range of settings including alcohol, drug and mental health community based services; inpatient mood, anxiety and psychosis programs; and trauma counselling programs. She has specialized in individual and group counselling with young adults and adults from diverse cultural and ethnic backgrounds and sexual preferences.
Sandra has been trained in Cognitive Behaviour Therapy (CBT); Dialectical Behaviour Therapy (DBT); Trauma-Informed Practice; Motivational Interviewing; the Harm Reduction approach for addictions and Cognitive Processing Therapy for Trauma. She currently is a Social Worker with the Frederick W. Thompson Centre’s Intensive Treatment Program for Obsessive Compulsive Disorder affiliated with Sunnybrook Health Sciences Centre. In this role, Sandra works with individuals with Obsessive-Compulsive Disorder utilizing Exposure and Response Prevention, Cognitive Behaviour Therapy and other group modalities, in addition to providing support and psychoeducation to families and significant others. Prior to her current role, Sandra worked for 14 years at the Centre for Addiction and Mental Health (CAMH) wherein she was Advanced Practice Clinical Lead. In this role, Sandra was a co-lead with the CAMH CBT for Psychosis Service. Additional focus areas included evidence-based program development with Early Intervention inpatient and outpatient teams; team training, consultation and clinical supervision specific to Cognitive Behaviour Therapy Skills for psychosis; Trauma-informed practice; Concurrent Alcohol, Drug and Mental health assessment and treatment; and Dialectical Behaviour therapy skills.
Areas of Focus: Anxiety, depression, PTSD and complex trauma, psychosis and schizophrenia, obsessive-compulsive disorder; alcohol and/or drug use challenges and understanding and proficiently accepting and regulating emotions comprise Sandra’s areas of clinical practice and expertise.
Larry Baer, Ph.D., C.Psych
Dr. Larry Baer is registered with the College of Psychologists of Ontario and l’Ordre des psychologues du Québec. He has a Ph.D. in clinical psychology from Concordia University in Montreal and a Master’s degree from McGill University. His training includes a postdoctoral fellowship at McGill University and a doctoral internship at the Centre for Addiction and Mental Health (CAMH). He currently holds a position as a clinical psychologist in the Complex Care and Recovery Program at CAMH.
Dr. Baer treats a variety of clients and issues using interventions based primarily on cognitive behaviour therapy. His areas of clinical focus include anxiety, depression and psychosis. He specializes in working with young adults dealing with a first psychotic episode.
Dr. Baer welcomes gay, lesbian, bi, and trans clients. He is interested in working with clients dealing with issues related to sexual orientation. He also has specific training in working with trans adults.
Yarissa Herman, D. Psych, C.Psych
Dr. Yarissa Herman is a clinical psychologist registered with the College of Psychologists of Ontario. She received her doctoral degree from the University of Western Australia where she completed her pre-doctoral internship with street-involved youth diagnosed with mental health and addiction difficulties. Her doctoral research explored the relationship between cognitive functioning and outcomes in addiction treatment.
Dr. Herman is currently a psychologist in the Complex Care and Recovery Program at the Centre for Addiction and Mental Health (CAMH). The focus of her clinical and research work is the development, implementation, and evaluation of evidence-based interventions for individuals with severe mental illness and concurrent substance use disorders. Alongside her clinical work, Dr. Herman provides training and supervision across a number of therapeutic modalities including cognitive behaviour therapy (CBT), Acceptance and Commitment Therapy (ACT), motivational interviewing, and mindfulness-based interventions.
Areas of focus: Dr. Herman provides evidence-based interventions for a variety of difficulties including addiction, psychosis, anxiety, and depression. She works with both adults and adolescents.
Michael Pett, MSW, RSW
Licensed Social Worker
Mike is a clinical social worker with 25 years of clinical experience in adult mental health. He received his Masters of Social Work from Carleton University in Ottawa Ontario and is a registered social worker with the Ontario College of Social Workers and Social Service Workers.
Mike has worked in a number of clinical settings where he has provided both short-term and long-term therapy for both individuals and groups. He has extensive experience and training with a wide range of clinical issues including depression, anxiety, relationship issues, anger and impulsivity. He is trained in various clinical modalities including: Dialectical Behaviour Therapy (DBT), anger management, violence risk assessment and management, Cognitive Behaviour Therapy (CBT), and concurrent disorders (the relationship between substance use and mental illness).
Mike is currently an Advanced Practice Clinical Leader at the Centre for Addiction and Mental Health (CAMH) and his primary role is to provide clinical supervision to inpatient and outpatients teams in the Complex Care and Recovery Program. He also provides consultation, capacity building, and education and training on violence risk management and concurrent disorders at CAMH and to external stakeholders.
Areas of Focus: Anger treatment, Men’s issues, substance use treatment, psychosis, personality disorders, and mood disorders.
In his spare time, Mike enjoys coaching rep baseball and hockey and driving his three sons all over the city to ensure that they get to the field or rink on time.
Cassandra Crangle, Ph.D., C.Psych
Dr. Cassandra Crangle is a is a clinical psychologist registered with the College of Psychologists of Ontario. She received her PhD in Clinical Psychology from Ryerson University. She works with clients with a variety of presenting concerns including depression, anxiety, perfectionism, insomnia, coping with life stressors, and trauma. She additionally has experience in the field of behavioural medicine working with individuals coping with chronic illness, cancer, traumatic injuries, and chronic pain. She currently also holds a position as a staff Psychologist at Altum Health in the musculoskeletal service area.
Dr. Crangle’s training has included a pre-doctoral residency at London Health Sciences Centre and St. Joseph’s Health Care in London, Ontario. She has additionally received training from a variety of settings including the Centre for Addictions and Mental Health, St. Michael’s Hospital, Toronto Western Hospital, Toronto Rehabilitation Institute, and the Ryerson University student counselling centre. Dr. Crangle works predominantly from a Cognitive Behavioural Therapy framework, as well as integrating Mindfulness and Acceptance and Commitment Therapies. She values collaboration and focusing on personal strengths to build strong relationships and a safe therapeutic environment.
David Eisenach, Ph.D., C.Psych
Dr. David Eisenach is a clinical psychologist registered with the College of Psychologists of Ontario. He received his doctoral degree from Long Island University in Brooklyn, New York and his undergraduate degree from McGill University. Dr. Eisenach’s clinical experience has included extensive inpatient and outpatient therapy at Montefiore and Mount Sinai hospitals in New York City as well as Assertive Community Treatment work with the non-profit Services for the Underserved.
Dr. Eisenach is primarily focused on helping those who struggle with psychological difficulties lead engaged and meaningful lives in accordance with their innermost values. His primary theoretical orientations include Cognitive Behaviour Therapy (CBT), Acceptance and Commitment Therapy (ACT), and recovery-oriented treatment, and he regularly integrates mindfulness-based interventions into his clinical work. Dr. Eisenach has experience working with individuals with depression, anxiety, anger, mania, psychosis, and concurrent addiction issues. He also provides psychological assessments for asylum seekers applying for legal status in Canada who have experienced significant trauma.
Areas of Focus: Dr. Eisenach’s primary areas of clinical interest include working with those with schizophrenia, bipolar disorder, depression, and anxiety, as well as anger, work-related stress, and difficulties pursuing purpose and meaning.
Fiona Downie, M.Ed, C.Psych
Fiona Downie is a Clinical Psychologist registered with the College of Psychologists of Ontario and the Newfoundland and Labrador Psychology Board. She completed her Master’s degree in Clinical and Counselling Psychology at the University of Toronto. She has trained in various settings including the Eating Disorders Clinic at Credit Valley Hospital, the University Health Network at the Princess Margaret Cancer Centre and the Toronto General Hospital Eating Disorders Clinic, the Anxiety Disorders Clinic at the Centre for Addiction and Mental Health (CAMH), Women’s College Hospital, Mackenzie Richmond Hill Hospital Child and family clinic, Broadview Psychology and CBT Associates.
She has experience with several therapeutic interventions including Cognitive Behavioural Therapy (CBT), Dialectical Behaviour Therapy (DBT), Mindfulness focused approaches, Cognitive Processing Therapy (CPT) and Prolonged Exposure for the treatment of trauma and PTSD.
Areas of Focus: Primary areas of clinical interest include eating disorders (anorexia and bulimia nervosa, binge eating disorder and other food and body image related concerns), anxiety disorders (panic disorder, social phobia, specific phobias and OCD), trauma and post traumatic stress disorder, borderline personality disorder and impulsivity, and difficulty managing emotions.
She provides individual therapy to adults and co-facilitates the DBT Skills Group.
Debbie Ernest, MSW, RSW
Licensed Social Worker
Debbie is a Clinical Social Worker with 20 years of experience working with adults and youth with mental health and substance use issues as well as with family members whose loved ones are facing mental health challenges. Debbie is a registered member of the Ontario College of Social Workers and Social Service Workers and the Ontario Association of Social Workers. She received her Master of Social Work from the University of Toronto, a Bachelor of Social Work from Ryerson University and a Bachelor of Arts from the University of Western Ontario. Debbie is trained in Cognitive Behaviour Therapy, Motivational Interviewing, Dialectical Behaviour Therapy, Harm Reduction, Trauma-informed Care, Compassion Focused Therapy, and the Recovery Model.
Debbie worked for 18 years at the Centre for Addiction and Mental Health (CAMH) as a social worker and individual and group therapist servicing clients with mental health and substance use issues in a variety of in- and out-patient settings. She provided therapy to youth experiencing a first episode of psychosis and their families; substance dependent individuals, clients impacted by trauma, and clients with schizophrenia, depression, and anxiety. For 10 years of that time, she worked as an Advanced Practice Clinical Leader providing therapy to clients and families, offering local, regional and international trainings, and providing clinical supervision and professional practice leadership and consultation to staff, teams and students at CAMH. Debbie has also recently held a leadership position within the Counselling and Accessibility department of a large post-secondary college setting where she provided counselling and crisis intervention services to youth and adult college students and supervised a team of counsellors who provide short-term counselling to students with a range of mental health and other personal issues.
Areas of Focus: cognitive behaviour therapy, trauma-informed care, schizophrenia and first episode psychosis, depression, anxiety, concurrent substance use and mental health issues, and working with family members of those experiencing mental illness.
Tanaya Chatterjee, Psy.D, C.Psych
Dr. Tanaya Chatterjee is licensed as Psychologist with the College of Psychologists of Ontario. Dr. Chatterjee completed her Doctorate in Clinical Psychology at the Memorial University and she was awarded a Psy.D. She successfully completed the pre-doctoral Psychology Residency Program at the Psychological Trauma Program in CAMH and the Health and Wellness Centre at the U of T. Dr. Chatterjee has trained within a variety of settings including community clinics, hospitals, university counselling centers, and youth detention centers during her education in Canada, Trinidad, and India.
Dr. Chatterjee is also currently a Psychologist in the Psychological Trauma Program at the Centre for Addiction and Mental Health (CAMH). She has experience with several therapeutic interventions including Emotion Focused Therapy (EFT), Cognitive Behavioural Therapy (CBT), and Trauma-Focused CBT. Dr. Chatterjee brings to her practice multicultural experience and she provides therapy in English, Bengali, and Hindi. She believes in active collaboration with clients that is developed through trust, genuine curiosity, respect, and sensitivity.
Areas of Focus: Primary areas of clinical interest include anxiety (generalized anxiety, social anxiety, panic disorder), depression, insomnia, interpersonal problems, and trauma. Dr. Chatterjee works with adults and welcomes gay, lesbian, bi, and trans clients in her practice. She is interested in working with first generation Canadian, immigrants, and clients dealing with adjustment difficulties related to migration.
Sarah Liu, M.A.
Sarah Liu, M.A., PhD Candidate, is in the final stages of completing her doctoral degree in clinical psychology from Concordia University in Montreal. Sarah has worked in a variety of settings including the McGill University Health Centre – Cognitive Behavioural Therapy (CBT) Unit, Anxiety Disorders program, and she moved to Toronto to complete her clinical residency at the Centre for Addiction and Mental Health (CAMH) in the CBT for Psychosis (CBTp) Service and the Integrated Day Treatment Service.
Sarah’s diverse training experiences allows her to draw from evidenced-based treatments including, CBT, Dialectical-Behaviour Therapy (DBT), Acceptance and Commitment Therapy (ACT), and compassion-focused approaches, to tailor treatment plans and meet the needs of each client. Sarah focuses on establishing a collaborative therapeutic process from a warm, empathic and non-judgemental stance. She aims to help individuals foster emotional resilience and cultivate self-compassion to improve overall wellbeing.
Area of focus: Sarah’s area of specialization is adult mental health. She offers treatment to individuals living with psychosis, depression, anxiety, obsessive-compulsive and related disorders (OCD), histories of trauma, difficulties with stress management and managing emotions, interpersonal difficulties, low self-esteem, and difficult life transitions.
Sarah can also provide therapy in Mandarin.
Dr. Lynn MacKenzie
Dr. Lynn MacKenzie is a clinical psychologist (supervised practice) registered with the College of Psychologists of Ontario. She completed her Master’s degree in Psychology from Columbia University. She then completed her PhD in Clinical Psychology at Dalhousie University. Dr. MacKenzie completed her clinical psychology residency at the Centre for Addiction and Mental Health in the Complex Care and Recovery Service and Psychological Trauma Program. She also works as a Psychologist (supervised practice) at the Centre for Addiction and Mental Health Psychological Trauma Program.
Dr. MacKenzie has experience in Cognitive Behavioural Therapy, Cognitive Processing Therapy for PTSD, Prolonged Exposure for PTSD, Acceptance and Commitment Therapy, Mindfulness-Based Stress Reduction, Motivational Interviewing for Substance Use, and components of Dialectical Behaviour Therapy.
Areas of focus: Dr. MacKenzie provides assessment and treatment for adolescents and adults with a range of difficulties and mental health concerns, including post-traumatic stress disorder and complex trauma, psychosis, mood and anxiety disorders, and substance use.
Joanna Collaton is a Masters student in the Clinical Child and Adolescent Psychology program at the University of Guelph. She completed a Master of Public Health from the University of Toronto in 2018, specializing in Women’s Health and Addictions. She has received training at the U of G Centre for Psychological Services and will be completing her Master’s practicum with the Toronto Catholic District School Board. Her research interests include the role of stigma in online help-seeking, especially for teens who may have experienced sexual violence or engage in non-suicidal self-injury.
Jessica is currently a Master’s student at the University of Toronto’s Institute of Medical Science, specializing in mental health research. Specifically, her research focuses on treatment engagement using digitally aided interventions for young people with bipolar disorder and first episode psychosis. Jessica has a total of 8 years experience working in the field of mental health, and a wealth of experience conducting research based assessments and interviews.