Leadership Team
Martin Arase – President
Martin has over 25 years of senior-level management experience as well as experience managing large and small projects. As president of The Columbia Group he has overseen the company’s operations, customer relations, growth, and profitability while successfully steering the company’s expansion into logistics, engineering, database development, and more. Under his leadership, the company has proudly provided quality services to a customer base consisting of federal, state, and local governments as well as private industry.
John Carty, Jr – Division Manager
John directs the operations of the Rosenblatt Marine Technical Division, and leads strategy and business development for the company. Prior to coming to TCG, he established a strong track record of growing companies and has extensive experience managing large programs and organizations. John is a retired Navy Supply Corps Officer. His active duty career featured tours aboard a fast attack submarine, an aircraft carrier, the National Security Council at the White House, and multiple acquisition positions.
When he is not working, John can usually be found on his sailboat.