Harriett Tee Taggart has been elected to the board of directors at The Hanover Insurance Group, based in Worcester.

Taggart is principal of Taggart Assoc. in Cambridge, which provides strategic research and administrative support for Taggart’s work on corporate and non-profit boards.

Taggart also serves as a director on the boards of two other New York Stock Exchange-listed corporations, Albemarle Corp. and The Lubrizol Corp., both of which are global developers, manufacturers and marketers of engineered specialty chemicals.