ACER-CART is administered by the Executive, Board of Directors, and Committees according to the Bylaws, Articles and Policies established by the organization.

“Please join us as we speak, for not just the retired educators,
but for all seniors in Canada.”

—Gerry Tiede, ACER-CART President, 2020

Executive Committee


Bill Berryman, President

Bill’s introduction to ACER-CART was as an observer in 2014. Since then, he has served diligently as president, vice-president, Eastern representative, and director. A past president of RTO-NSTU, Bill’s experience in his province with both NSTU and the RTO-NSTU strengthens his work with Political Advocacy and Health Services. Wishing to continue to advance ACER-CART priorities, Bill is returning to the Executive.

Sharon Penney,  Regional Representative – East

Sharon first attended an ACER-CART AGM as an observer in 2018, again in 2019, and as a director from 2020 to 2023. She brings her experience from both the branches and the executive of NLTA. Her committee work has included Communications/Political Action, Benefits and Economic Services, and Equity Issues in Education. Sharon has also represented the RTANL on the Coalition of Seniors, Retirees and Pensioners.


Marilyn Bossert, Regional Representative – West

Marilyn attended her first ACER-CART meeting in 2018 as an observer, and since then has assumed the role of Regional Representative–West in addition to serving as chair of Communications. A past president of ARTA, she brings over ten years of experience with their Communications committee. She believes advocacy and communication work together to empower a strong national voice for seniors.

Gerry Tiede,  Past President

Gerry continues to serve ACER-CART, this time as past president. In addition to his contributions as president, vice-president, Western Representative, and BCRTA director, he has been a strong advocate for Pension and Retirement Income. ACER-CART continues to benefit from his extensive work with the BC Teachers Pension Plan and the BCRTA Pension & Benefits Committee.

Executive Director

Roger Régimbal 

Roger has been executive director for ACER-CART since 2012. He is an active member of RTOERO serving many years as District treasurer, provincial Pension Committee and Health Committee. Roger brings his 35 years’ experience as a union and a community leader to ACER-CART for the benefit of seniors across Canada.