Denis has expertise in the following fields:
- Certifications
- Negotiation, application and interpretation of collective agreements
- Grievances and arbitrations
- Labour standards
- Claims pertaining to labour law (injunctions, judicial review, complaints, etc.)
- Employment contracts
- Dismissals and severance packages
- Human rights and freedoms
- Pension plans and fringe benefits
- Access to information
- Decrees
- Directors' liability
- Industrial accidents and occupational diseases
- Occupational health and safety