Managing addictions is vital to minimizing your organization's risks and liabilities.
The least you need to know:
- How to recognize the physical and behavioural signs of drug and alcohol use
- How to mitigate your legal and ethical responsibilities
- The hidden and real costs of substance use
- Strategies to address substance use at work
Take informed diligent action:
- Seek guidance from reliable sources who have expertise in managing workplace substance use.
- Implement a Drug & Alcohol Program, starting with a Policy specific to your workplace culture and environment.
- Educate managers, supervisors, and employees.
- Apply a fair and consistent step-wise process for addressing substance use.
- Monitor program elements for effectiveness and relevance.
Meet Nadine Wentzell
Workplace Drug, Alcohol & Cannabis Consultant
Nadine is committed to building practical, effective, and industry-specific workplace drug & alcohol policies and programs customized to your workplace realities. She has worked with unionized and non-unionized businesses and organizations in the private, public, and academic sectors across Canada, the US and internationally. With practical experience gained from 25+ years working in this field, Nadine is Canada’s subject matter expert in addressing the impacts of substance use in the workplace.
Nadine chairs the International Association of Medical Review Officers (IAMRO), a global community dedicated to shaping the future of workplace drug testing.
Credentials: Bachelor of Science (Pharmacy) from Dalhousie University, Master of Adult Education from St. Francis Xavier University, licensed pharmacist

Nadine has contributed to the authorship, review and revision of several international standards including:
- Oil Companies International Marine Forum Guidelines (OCIMF)
- International Standard for Medical Review Officers, a collaborative initiative of the International Forum for Drug and Alcohol Testing (IFDAT), and the European Workplace Drug Testing Society (EWDTS)
- Public comments from the National Drug and Alcohol Screening Association to the US Department of Justice regarding Docket No. DEA-1362; A.G. Order No.5931-2024, “Schedules of Controlled Substances: Rescheduling of Marijuana”
Clients include:
- Canadian Coast Guard
- Exxon Mobile (US)
- Jazz Aviation / Air Canada
- Algoma Central Corporation
- Emera
- Manitoba Hydro
- Marine Atlantic
- Mersey Seafoods
- Nova Scotia Power
- Victoria Co-op Fisheries
- RothLochston
- NewDock
- Union of Nova Scotia Mi'kmaq
- Millbrook First Nation
- Membertou First Nation