Devon Grennan appointed as new CEO/president of Global Diving & Salvage

(SEATTLE) — After over 30 years as founders and owners of Global Diving & Salvage Inc., Tim Beaver and John Graham continue to remain excited about the future of the company.  This month, they are pleased to announce the newest chapter in Global’s history; Devon Grennan, president for the past four years, will now also take on the position of chief executive officer. Mr. Beaver and Mr. Graham will maintain ownership and continue to serve on the Board of Directors, but will step down from direct operational involvement.

Both founders share in the sentiment, Mr. Grennan is the ideal candidate to continue in the traditions honored by Global; individual pride and professional passion for the craft of diving and marine services, honesty in the workplace and in dealing with clients, and safety in the field.  Grennan began his tenure in 1995 as a marine environmental supervisor moving up the ranks to environmental division manager and by 2005 serving as the general manager. In 2009, Global formed its senior management team and Mr. Grennan was moved into the position of president. As CEO/president his newest undertaking is to determine the overall strategic plan for the company and lead the senior management team and the board of directors in Global’s mission to provide quality marine service and discover new opportunities to better serve the maritime industry.

“I am very excited to take on this challenge, Global continues to develop new capabilities and uncover opportunities beyond the original vision of the founders.” says Mr. Grennan, “With the foundation laid these past 30 plus years and the quality and experience of our people, we continue to transition from a traditional commercial diving company into a more well rounded, marine and subsea service provider. Our four regional locations and diverse service lines allow us to serve an ever-expanding market, both domestically and internationally.”

Mr. Grennan received a bachelor of arts degree in political science from the University of Washington in 1995. He has served on the board of directors of the Seattle Chapter of the Propeller Club, board of directors for North Pacific Fishing Vessel Owners Association and the Spill Control Association of America. He has been involved with the American Salvage Association as well as the Marine Insurance Association of Seattle.


Global Diving & Salvage, Inc. is based in Seattle, WA with additional offices in the San Francisco Bay Area; Houston, Texas; and Anchorage, Alaska. Founded in 1979 as a diving and marine services company it currently specializes in deep diving to 1,000 feet. Core service lines include; marine construction, casualty response, and offshore support service activities. Diving capabilities include saturation dive systems, mixed gas surface diving, remotely operated vehicles, and emergency response.

Global also offers a variety of environmental services as well as engineering support for projects requiring technical underwater procedures and tooling. Global is currently involved with marine construction projects throughout the United States, perform salvage projects internationally, and support the offshore oil and gas industry in the Gulf of Mexico and Cook Inlet. For more information please visit:

By Professional Mariner Staff