Mackie Resigns as GLDD President; Jonathan Berger Takes Over

Great Lakes Dredge & Dock Corporation (NASDAQ:GLDD) – announced on Tuesday September 7 that Douglas B. Mackie had resigned his positions as president and chief executive officer and will become chairman emeritus and senior advisor to the company. He remains a director of GLDD.

The board has appointed Jonathan Berger as chief executive officer of the company. He has served as a member of the Great Lakes board of directors since December 2006 and served as chair of the Audit Committee. Berger will remain a director but will no longer serve on that committee.

Deborah A. Wensel senior vice president chief financial officer and treasurer will resign her positions and remain as a consultant to the company to assist in the transition through the end of the year.

The board has appointed Bruce J. Biemeck as president and chief financial officer. Biemeck has served as a member of the company’s board of directors since December 2006 and most recently served as lead director chair of the Compensation committee and a member of the Audit committee and Nominating and Corporate Governance committee. Biemeck will remain a director but will no longer serve as lead director or on any board committees.