Denis K. Sheahan serves as Chief Executive Officer of the Company and Eastern Bank, a position he has held since the merger with Cambridge Bancorp and Cambridge Trust Company in July 2024. He previously served as Chairman, President and Chief Executive Officer of Cambridge Bancorp and Cambridge Trust Company, roles he held since April 2015. Prior to joining Cambridge, he most recently served as Chief Operating Officer and previously as Chief Financial Officer at Independent Bank Corp. and Rockland Trust Company, where he worked from 1996 to 2015. Before joining Independent Bank Corp., Mr. Sheahan served as Vice President of Finance at BayBanks, Inc., where he worked for 10 years. Mr. Sheahan currently serves as a director of the Cambridge Community Foundation, Inc., as a board member and Treasurer of the Massachusetts Bankers Association, as an advisory board member of the Rian Immigrant Center, and as a board member and Treasurer for the Cambridge YMCA. He previously served as Secretary/Treasurer and Chair of the Finance Committee of the Board of the Massachusetts Housing Partnership, as a member of the Federal Reserve Bank of Boston s Community Depository Institutions Advisory Council and was a board member and Board Chair of the Old Colony YMCA in Brockton, Massachusetts. Mr. Sheahan holds an MBA from Boston University and is an accounting graduate of the Munster Technological University, Cork, Ireland.