Bill Achtmeyer has guided Parthenon's vision since its founding. He is a recognized expert in corporate and business unit strategy and in mergers and acquisitions. Previously, Mr. Achtmeyer was a Director at Bain & Company where he founded and led the mergers & acquisitions/integration practice. Mr. Achtmeyer is a member of the boards of Briggs and Stratton Corporation and Citizens Energy Corporation.

Mr. Achtmeyer is Chairman of the Board of Overseers at the Tuck School of Business at Dartmouth and Vice Chair of the Board of Trustees of Belmont Hill School. He is former Chairman of the Massachusetts Society for the Prevention of Cruelty to Children. He is also a trustee of the Boston Symphony Orchestra and an Overseer for the Handel and Haydn Society and the Museum of Fine Arts.

Mr. Achtmeyer holds a B.A. in Public and International Affairs from the Woodrow Wilson School at Princeton University and an M.B.A. from the Tuck School of Business at Dartmouth.