WATERFORD — Charter Oak Federal Credit Union has announced the promotion of Sonya Armstrong and Michael Ballirano to assistant vice presidents and regional retail managers of its network of 16 branches in eastern Connecticut.
Armstrong joined the credit union as a teller in 2005 and was promoted to branch officer in 2014 for the Dayville, Willimantic and Killingly High School branches. She is a graduate of the Credit Union League of Connecticut’s Executive Education Program and is the President of the Eastern Chapter of the Credit Union League of Connecticut.
Ballirano joined Charter Oak in 2011 and has been a branch officer since 2017 at the Mohegan Sun Branch. He is a graduate of Keene State College with a Bachelor of Science degree in management, and also graduated from the Chamber of Commerce of Eastern Connecticut’s Leadership Program. He is currently attending the Credit Union League of Connecticut’s Executive Education Program.