Larissa C. Thurston, who was appointed to President and Chief Executive Officer of St. Mary’s Credit Union in April, will begin her new position leading the credit union. She succeeds James C. Garvey who retired following eight years of service to the credit union.
Thurston joined St. Mary’s Credit Union as Chief Financial Officer in 2014 and has more than twenty years of progressive banking experience with a strong background in banking strategy, finance, bank technology and operations. Most recently, she served as Chief Operating Officer and Chief Financial Officer where she provided vision, leadership, planning and management for technology, marketing, human resources, deposit operations, compliance, and finance plans and programs.
“The Board has been impressed with Larissa’s outstanding leadership since she joined St. Mary’s Credit Union and we look forward to many successful years ahead as she leads the credit union in delivering high-tech offerings, high-touch personal service and exceptional value for our members,” said Gerard P. Richer, Esq., Chair, Board of Directors.
“Leading an organization that has been serving our family, friends and neighbors for more than 100 years is a true honor,” said Thurston. “I’m excited to continue the traditions and legacy of those leaders who came before me and to grow the credit union with high-tech access and convenience for our members while also supporting our communities as responsible corporate citizens.”
A resident of Bolton, Mass., Thurston serves as Member-at-Large on the Board of Directors Executive Committee at the United Way of Tri-County and as Treasurer on the Board of Directors at the Boys & Girls Club of Metrowest. She also serves on the Member Advisory Panel of the Federal Home Loan Bank of Boston and is a Read to a Child student mentor at Richer Elementary School in Marlborough.
Thurston graduated magna cum laude with a master’s degree in business administration and a bachelor’s degree in Accounting from Southern New Hampshire University. She is also a graduate of the ABA Stonier Graduate School of Banking and the Wharton Leadership Program.

Larissa C Thurston CEO St Marys CU