Mr. Stauffer has served as Chief Executive Officer since 2015 and has served as Orion
Mark R. Stauffer

Mr. Stauffer has served as Chief Executive Officer since 2015 and has served as Orion
Mr. Tabb has served as Vice President, Chief Financial Officer, and Treasurer since March 2019.
Mr. Buchler joined the Company as Vice President, General Counsel and Corporate Secretary in September
Mr. Okoniewski joined the Company in September 2020 as the Vice President of Investor Relations.
Mr. Cromack joined Orion Group Holdings as Executive Vice President of Orion Marine Group in
Mr. DeLuca has held the position of Vice President of Corporate Business Development since October
Ms. Lake joined the Company in April 2016 with the responsibility of leading strategic Human
Mr. Laris serves as the Executive Vice President of TAS Commercial Concrete Construction leading the