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Meet the Team at Gateway Recovery Centre

At Gateway Recovery Centre, we have assembled a team of doctors, nurses, psychiatrists, and counsellors who understand where you’re coming from and are committed to providing the best treatment for addiction, trauma, and other mental health disorders.

Dr. Mark Weiss

Medical Director, MD, MCFP

Dr. Mark Weiss, M.D., MCFP (AM), returns to EHN Canada in the role of Medical Director. Mark provides clinical and leadership services across EHN Canada, and oversees medical care Bellwood Health Services in Toronto, Ontario and Gateway Recovery Centre in Peterborough, Ontario. Mark comes to EHN Canada with over 20 years of specialization in Addiction Medicine, including impressive leadership experience within specialized inpatient addiction treatment settings, with prior roles including Chief of Addiction Medicine at Homewood Health Centre, and Medical Director at Bellwood Health Services from 2016-2019.

Shawn Carter

Executive Director, M.ADS., BCBA

Shawn is a Board-Certified Behaviour Analyst (BCBA) with 15 years of experience working in children, adolescent, and adult mental health. He is the current Executive Director of EHN Canada’s Gateway Recovery Centre – Canada's first facility dedicated exclusively to the treatment of trauma and addiction among military, first responders, and frontline healthcare workers. He completed his Master's Degree in Applied Behaviour Analysis at Brock University following an Undergraduate Degree in Psychology at Trent University in 2008 where he also teaches part-time in the Psychology department. His leadership experiences include Clinical Manager of various psychotherapy clinics and patient access and flow programs at Ontario Shores Centre for Mental Health Sciences. Shawn was instrumental in the development of an outpatient psychotherapy clinic dedicated to the mental health needs of First Responders in Ontario, in collaboration with Wounded Warriors Canada. He is passionate about the delivery of quality mental health care and is honoured to be supporting active military service members, veterans, first responders, and healthcare workers, who do so much in the service of others.

Colette Currin

National Director of Military, Veterans & First Responders, CACCF

Colette is a clinician and business developer, working as a member of the Outpatient team while also managing the referral relationships and treatment needs for veteran, military and first responder clients. With 27 years of personal recovery, Colette combines her lived experience and clinical expertise to help others develop the knowledge, skills, and confidence in their own journey back to self. She holds a Bachelor of Art, Hons Psychology from the University of Cape Town and is currently completed her Masters degree in Counselling Psychology and Clinical Psychology.

Dr. Krystle Martin

Clinical Psychologist, C.Psych

Krystle has 15 years mental health experience, 10 of them as a Psychologist treating clients with trauma and addiction. Previously, she has worked at Ontario Shores Centre for Mental Health Sciences as a Psychologist and Researcher, at Durham Regional Police as a Psychologist/Consultant, and in general hospitals, correctional facilities and CAMH. She had a private practice specializing in treating First Responders, Military, Veterans, Workplace Trauma and BPD. Krystle belongs to various communities of practice, including Treatment of PTSD in First Responders in Ontario and Moral Injury in Ontario. She also works in collaboration with The Atlas Institute for Veterans and families.

Ashley Davidson

Team Lead of Admissions and Flow and Addictions Counsellor, BA

Over the past nine years, Ashley has worked in various mental health and addiction settings including residential treatment centres that treat trauma and addiction, community addiction agencies that support shelters, and RAM clinics. She is registered as CCAC counsellor with CACCF and delivers community education on addiction foundations and principles and trauma informed care. Ashley has training in SMART recovery, motivational interviewing, and naloxone training. Ashley holds a Post-Grad Certificate in Addiction and Mental Health.

Dr. Mark DeCambra

Facilitator, CD, MSc, MD, FRCSC

Mark is passionate about supporting the mental health and addiction needs of the military and veteran populations. A retired Canadian Armed Forces Medical Specialist, he has 21 years of experience, including multiple deployments to Afghanistan, Iraq and humanitarian missions. He also worked as an Orthopedic Surgeon at Sunnybrook Hospital managing both physical and mental needs of patients, held his own private practice providing support medicine and general orthopedic needs, and worked as a family doctor providing primary care and psychotherapy for individuals with mental health and addictions.

Dr. Kalam Sutandar

Psychiatrist, MD, MSc, FRCPC

Prior to joining Gateway, Kalam worked as a Staff Psychiatrist in the Program for Eating Disorders at Toronto General Hospital and as a Lecturer in the Department of Psychiatry, University of Toronto. Her areas of clinical focus are intensive treatment of anorexia and bulimia nervosa. She is also a teacher and supervisor for psychodynamic, family and couples psychotherapy. She was an Assistant Professor for the Department of Psychiatry, University of Toronto, as well as a psychiatrist at CAMH and University Health Network. She has advanced training in Psychological Trauma treatment and CBT, as well as expertise in eating disorders and family therapy.

Dr. Deborah Reid

Physician, MD

With two years’ experience as a Medical Doctor, Deborah completed her residency at EHN Canada’s Bellwood Health Services facility in Toronto. She also completed the CAMH Opioid Dependency Treatment certificate program and has Concurrent Disorders in Primary Care and Sublocade administration training. Deborah has [attended?] META:PHI lectures and Canadian Society of Addictions Medicine conferences and completed a variety of online courses through UBC continue professional development Addiction Care and Treatment. She also works part-time at the Hamilton Clinic and True North Clinic (both Methadone/Suboxone clinic) and the Enhanced Care Clinic/Addiction Services Central Ontario.

Hannah Smythe

Social Worker/Primary Clinician

For eight years, Hannah has worked with those impacted by trauma (mainly first stage trauma work around safety and stabilization) and addiction. She has also worked with those affected by homelessness, mental health, women with C-PTSD or Axis II diagnoses and polysubstance/alcohol use in both a case management and clinical therapy capacity, specializing in working with individuals with high-risk opioid disorder in both medical and non-medical settings. Hannah has specialized training in Housing First Case Management, Opioid Use Disorders, Rapid Access Addiction Medicine, Advanced Motivational Interviewing, DBT, and is an Acupuncture Detoxification Specialist. She also has additional training in ACT (beginner's level), CBT, Mental Health First Aid Certification, CPI Non-Violent Crisis Intervention, GAIN-Q3 ONT Assessment Certification and presently works part-time for CAMH as a local facilitator of the remedial measure's program, Back on Track.

Annastashia Petrie

Registered Psychotherapist/Primary Clinician, MA, RP

With six years of experience in CBT, DBT, CPT, ACT, SMART recovery, and Relapse Prevention, Annastashia has worked in Inpatient and Outpatient in a mental health hospital as well as in a residential setting with civilians, military, veterans and first responders.

Will Doherty

Registered Psychotherapist/Primary Clinician, BA, MA, RP

For eight years, Will has worked with clients for both trauma and addictions, many of whom are military, veterans and first responders. He has experience and training in CPT, CBT, DBT, Relapse Prevention, and Motivational Interviewing (MI).

Shelley Houghton

Registered Psychotherapist/Primary Clinician

For three years, Shelley has worked individually with first responders (including police officers), military personnel and their families on a variety of issues including trauma, depression, anxiety and addiction. She has also worked with individuals, couples, and families in a community agency setting, with a focus on clients who have experienced trauma including VQRP and VAW clients as well as children who have witnessed domestic violence. And she has worked in a group home setting with individuals with addiction.

Haley Smith

Occupational Therapist/Primary Clinician, OT Reg. (Ont.)

Haley has three years of experience working with various mental health conditions in different settings, and she is experienced in the delivery of mental health services both individually and group as well as the delivery of Exposure Therapy. She has training in Sensory Integration Approaches, CBT, CPT, and Exposure Therapy.

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Meet the Team at Gateway Recovery Centre