Mark Stauffer
Mark R. Stauffer
President & Chief Executive Officer

Mr. Stauffer has served as Chief Executive Officer since 2015 and has served as Orion Group Holdings’ President since 2014. Prior to this, Mr. Stauffer served as Executive Vice President and Chief Financial Officer from 2007 to 2014, and as Vice President and Chief Financial Officer from 1999, when he joined the Company, to 2007. Mr. Stauffer also served as Secretary from 2004 until 2007. Prior to joining Orion, from 1986 to 1999, Mr. Stauffer served in various positions of increasing responsibility at Coastal Towing, Inc., including Vice President and Chief Financial Officer. Mr. Stauffer is a Certified Public Accountant.

Robert Tabb
Robert L. Tabb
Executive Vice President & Chief Financial Officer

Mr. Tabb has served as Chief Financial Officer, and Treasurer since March 2019 and promoted to Executive Vice President in March 2021. Prior to this, he served as Vice President of Finance beginning November 2016, and from 2014 to 2016 Mr. Tabb was as Director of Financial Planning and Analysis. Mr. Tabb has over 14 years of public company accounting and financial management experience. Prior to joining Orion, Mr. Tabb held progressively responsible positions in accounting, finance, and M&A with Mattress Firm, Inc., MXenergy, Inc., and J. Richard Claywell, CPA.

Peter Buchler
Peter R. Buchler
Executive Vice President, Chief Administrative Officer, General Counsel, Corporate Secretary and Chief Compliance Officer

Mr. Buchler joined the Company as Vice President, General Counsel and Corporate Secretary in September 2009. Soon thereafter, he was also appointed as Chief Compliance Officer and on January 1, 2010 was promoted to Executive Vice President. Prior to joining the Company, Mr. Buchler founded and operated The Buchler Group, LLC, a corporate consulting firm providing contract negotiation, dispute resolution, compliance and other corporate advisory services to the domestic and international construction industry. From December 2003 to December 2008, Mr. Buchler worked for Global Industries Ltd. (NASDAQ: GLBL) in various capacities, including Assistant General Counsel, Vice President Commercial and Subcontracts, and Vice President of Asia Pacific. Prior to joining Global, Mr. Buchler worked for Cooperheat-MQS, Inc. as Executive Vice President, CAO, General Counsel and Corporate Secretary. Additionally, Mr. Buchler has held several positions with McDermott International, Inc. (NYSE: MDR) over a 23-year period including Senior Counsel, Assistant General Counsel for Corporate, and Assistant General Counsel for Shipbuilding, Industrial Services and the Marine Construction segments. Mr. Buchler has also been an associate at Davis Polk & Wardwell, New York, NY and is a former NYSE arbitrator.

Fran Okoniewski
Francis J. Okoniewski III
Vice President, Investor Relations

Mr. Okoniewski joined the Company in September 2020 as the Vice President of Investor Relations. Prior to joining Orion, Mr. Okoniewski’s 28-year career included positions of increasing responsibility at Friess Associates where, for the most recent 20 years he was an Equity Research Team Leader and a Senior Partner. During his time at Friess, Mr. Okoniewski was a key member of the portfolio team that managed Friess’ Brandywine Funds.

Scott Cromack
Scott H. Cromack
Executive Vice President, Orion Marine Group

Mr. Cromack joined Orion Group Holdings as Executive Vice President of Orion Marine Group in March 2019. Mr. Cromack has over 27 years of experience and most recently served as a Senior Vice President at Texas Sterling Construction, Co. He has held a number of construction and project management positions over his career with companies including Peter Kiewit Sons, Inc., and Zachry Construction Corporation.

Marshall DeLuca
Marshall R. DeLuca
Vice President, Corporate Business Development

Mr. DeLuca has held the position of Vice President of Corporate Business Development since October 2016 with responsibility for the leadership and coordination of the Company’s Business Development activities across the various sectors. Mr. DeLuca has over 20 years of project and business development experience in the marine, industrial and oil and gas sectors.

Jorge A. Laris
Jorge A. Laris
Executive Vice President, TAS Commercial Concrete Construction, LLC

Mr. Laris serves as the Executive Vice President of TAS Commercial Concrete Construction leading the company’s commercial concrete division. Mr. Laris joined Orion Group Holdings in November 2019 and has over 32 years of experience in the construction industry. He most recently served as an Executive Vice President at Dragados USA, Inc., prior to which he held management positions with Zachry Construction Corporation, McCarthy Building Companies, and Texas Sterling Construction.