Lionel Marks De Chabris

Dr. Lionel Marks De Chabris is a Canadian family physician based in Sudbury, Ontario, specializing in pain and disability management. He is notable in the COVID-19 pandemic due to his role at the College of Physicians and Surgeons of Ontario.

He practices medicine as “Lionel Marks de Chabris Medicine Professional Corporation”.

After completing his Bachelor's Degree in Biology, Marks De Chabris graduated from McGill University's Faculty of Medicine in 1988 with his MD.¹⁾ He then completed a combined residency in Family and Emergency Medicine at the University of Ottawa, finishing in 1991.

He was certified by the American Board of Emergency Medicine in 2000.

Dr. Lionel is a Diplomate of the American Board of Addiction Medicine.²⁾

Dr. Lionel is a Certified Independent Medical Examiner, authorized by the American Board of Independent Medical Examiners.

Dr. Lionel is a Diplomate of the Canadian Academy of Pain Management.

Dr. Lionel has participated in speaking events with the Canadian Academy of Psychologists in Disability Assessment.

Dr. Lionel underwent further training in Addiction Medicine and then Pain Medicine, sponsored by the College of Family Physicians of Canada and the Canadian Medical Association from 2006 - 2007.³⁾

Dr. Lionel delivered six two-hour presentations to the Canadian Mental Health Association (CMHA) on Substance Use Disorders including Alcohol Use Disorder, Cannabis Use Disorder, Stimulant Use Disorder, Opioid Use Disorder, Sedative Use Disorder and Other Drugs of Abuse.⁴⁾

The CMHA is partnered with the University of British Columbia (UBC), the Wellesley Institute, Children First Canada, the Centre for Addiction and Mental Health (CAMH), United Way, YMCA, Canadian Institutes of Health Research (CIHR), the Mental Health Commission of Canada, Academica Group, Edgewood Health Network Canada, and Kids Help Phone.⁵⁾ Additional funding comes from RBC (Royal Bank of Canada), Shoppers Drug Mart, PricewaterhouseCoopers, Bell Media, Rexall, Siemens, Rogers, Daily Hive, Otsuka Canada Pharmaceutical, Children's Hospital of Eastern Ontario, Capital One, Emergent BioSolutions (through ADAPT Pharma), Medavie Health Foundation, Zurich Pharma, Spectrum Therapeutics, Janssen, the Ontario Teachers Insurance Plan, Medicine Shoppe, Salesforce, Business Development Bank of Canada (BDC), Canadian Centre on Substance Abuse and Addiction, Vetoquinol, and the Mood Disorders Association of Ontario.^{6) 7) 8)}

Dr. Lionel is a Clinician Member of the Canadian Society of Medical Evaluators.⁹⁾

Dr. Lionel was certified by the College of Family Physicians of Canada in Family Medicine and Emergency Medicine in 1991, and became a Fellow in 2001.¹⁰⁾

Dr. Lionel is the elected representative for District 8 on the Council for the CPSO, as well as a Medical Inspector.^{11) 12)}

Dr. Lionel provides chronic pain management services at the Espanola Pain Clinic within Espanola Regional Hospital and Health Centre.¹³⁾

Dr. Lionel's primary location of practice is Headway Clinic, a facility offering various counselling services.¹⁴⁾ He is an Associate of the company, and has worked there since November 2010.¹⁵⁾

Dr. Lionel is one of three founding physicians of the Rapid Access Addiction Medicine Clinic at Health Sciences North Sudbury, founded in December 2015.^{16) 17)}

Dr. Lionel has presented at the MedCan Summit, an event organized by the New Zealand TechAlliance.¹⁸⁾ Sponsors for the event include Helius Therapeutics, Eqalis, Elysian Pharmaceuticals, CannaPlus+, Hill Laboratories, Greenlab, Conviron, Scitek, Cannasouth, and Pharmacy Today.¹⁹⁾

Dr. Lionel is an Assistant Professor at the Northern Ontario School of Medicine.²⁰⁾

NOSM is funded by AstraZeneca, Barrick Gold Corporation, BMO Financial Group, Bristol-Myers Squibb, the Chronicle-Journal, CMA Foundation, CTV, Eli Lilly, Fidelity, Fort William Family Health Network, Honda, HSBC, Masonic Foundation of Ontario, RBC (Royal Bank of Canada), Scotiabank, Scottish Rite Charitable Foundation of Canada, the Sudbury Star, Sun Life Financial, TD Bank Group, and Wyeth.²¹⁾

Dr. Lionel is a Mentor in Addiction Medicine and Pain Medicine for the Ontario College of Family Physicians.

Dr. Lionel is also registered to practice medicine at Sudbury Prosthetic & Orthotic Design.

On June 2, 2020, ZYUS Life Sciences announced the appointment of Dr. Lionel to their executive team as Chief Medical Officer. ZYUS is a pharmaceutical company focused on “development and commercialization of innovative and patient-focused cannabinoid-based formulations and product candidates”.²²⁾

Dr. Lionel has published research on the subject of medical marijuana.²³⁾ He has delivered several presentations on the topic to the Wahta Mohawks, Mohawk First Nation in the District Municipality of Muskoka, Ontario.²⁴⁾

He has also given presentations on the subject of opioid use disorder.