Diane Posterski, Associate
Diane Posterski has joined Promeus as an Associate, providing expertise to the Ontario college sector. Diane worked in this sector for 17 years, serving as the Executive Director of the Ontario College Administrative Staff Association (OCASA) for 12 of those years.
During her time with OCASA, she worked with administrators across the system, bringing professional development supports, learning and networking opportunities, and deepening the professional presence of college leaders. In this role, she regularly consulted and collaborated with Colleges Ontario, College Employer Council and college leaders at all 24 colleges. She continues to provide consulting services to these organizations in a variety of capacities.
Diane is certified as an Erickson Professional Coach. Known as a trusted partner, confidante, and strategic thinker, Diane partners with professionals helping them find their own clarity, purpose and confidence in their career goals, as well as coaching for optimizing strategic initiatives.
Diane holds a Bachelor of Commerce (Hons.) from Queen’s University, and a Master of Industrial Relations from Queen’s University. She also holds a certificate in Alternative Dispute & Conflict Resolution, and has the designation of a Certified Association Executive (CAE)