Principals
Mr. Beaver is a company founder. He began diving commercially in 1977, and made dives on a regular basis for the subsequent 30 years. His in-water experience includes ship repair, salvage, marine construction, pipeline installation, and other services utilizing air, mixed gas, and saturation diving techniques.
- Commercial Diver, Divers Institute of Technology, 1977
- Bachelors of Arts, University of Utah
- Association of Diving Contractors International - Board of Directors
- American Salvage Association - Vice President Executive Board
- Historical Diving Society - Board of Directors
- Puget Sound Maritime Historical Society - Contributor
- Propeller Club
Mr. Graham is a company founder. He began diving commercially in 1973, and his experience over the subsequent 35 years in the water includes ship repair, salvage, marine construction, and pipeline installation utilizing air and mixed gas diving techniques. His geographic work experience includes the North Sea, Gulf of Mexico, U.S. West Coast, and Alaska (including Prudhoe Bay).
Mr. Graham continues his active involvement with our saturation diving operations through client and personnel maintenance.
- Commercial Diver, Divers Institute of Technology, 1973
- Puget Sound Maritime Historical Society, Contributor
- Society of Petroleum Engineers
- Society of Port Engineers
- Propeller Club
Leadership
Mr. Grennan joined Global in 1995 and has served many functions, including Marine Environmental Supervisor, Environmental Division Manager, and, from 2005-2009, General Manager.
He now oversees the day-to-day operational and administrative needs of the company, and facilitates relationships with Global's teaming partners in the banking, insurance, bonding, and legal industries.
- Bachelors of Science, University of Washington
- Safety & Health Construction Specialist, OSHA Region X Education Center, 2006
- North Pacific Fishing Vessel Owners Association, Board of Directors
- American Salvage Association, Chairman Safety Committee
- Puget Sound Maritime Historical Society
- Propeller Club
Mrs. Ng-Yeung has served as the company's controller since 2006. She directs the company’s accounting functions and administrative support staff. She is also directly responsible for audits, budgets, financial forecasts, and developing Global's accounting systems.
Prior to her involvement with Global Diving & Salvage, Inc. Mrs. Ng-Yeung gained professional experience in the public accounting sector performing various auditing assignments and tax reporting functions. Later she worked for a private electrical company and crane company handling cost accounting, financial statement development, and private company tax reporting.
She is currently working toward her Juris Doctor/Master of Professional Accounting joint degree from Seattle University.
- Bachelors of Arts, Portland State University
- AICPA, American Institute of Certified Public Accountants
- WISTA, Women's International Shipping & Trade Association
Division Managers
Mr. Humberstone began his commercial diving career in 1979 and has experience in all diving mediums. He oversees the offshore oilfield contracts, crewing requirements, saturation diving equipment, and saturation safety protocol. He is also responsible for directing the development, manufacturing, and assembly of all company saturation diving systems.
- Commercial Diver, Divers Institute of Technology, 1979
- Association of Diving Contractors, Inc, Saturation Committee
Mr. Langen is responsible for project management, engineering support, bid evaluations, cost estimating, field operations, and developing the ROV division. During his tenure with Global, Mr. Langen has had direct oversight of award-winning projects in Montana and Colorado. Mr. Langen has been responsible for initiating many of the corporate programs currently in place.
- BS in Ocean Engineering, University of Washington
- A.A.S. in Diving Technology, Highline Community College
Mr. Harrington started with Global in 1996 working in the environmental division cleaning up oil spills and assisting with marine remediation projects. He now oversees the general management of the environmental division, including marine and upland remediation, sales services, emergency response, and specialty projects. His responsibilities include estimating, bidding, client maintenance, and contract management.
- BS in Environmental Science, Washington State University, 1996
- Construction Management Certificate, University of Washington, 2005
- ICS 400 Level Incident Commander
- Propeller Club
Mr. DeVilbiss manages large-scale salvage projects on an international level. He has extensive diving experience beginning in 1991 and has managed heavy marine salvage, heavy lift operations, and salvage support diving throughout the United States, including Alaska, Mexico, and the Pacific.
- Mechanical Engineering Study, LeTourneau University
- Commercial Diver, Divers Institute of Technology, 1997
- AWS Certificate
- American Salvage Association, Executive Committee
Mr. Baron has had extensive experience as a commercial diver and supervisor since 1980. During the subsequent years, he dove on a variety of projects ranging from ship repair and salvage to pipeline installation and marine construction.
He is directly responsible for the dispatch of all Seattle-based divers, and coordinates crewing needs for the other division managers on both short and long term projects. He interfaces with customers for the daily call-out work. In addition, he works closely with underwriters and federal agencies to safely and efficiently expedite marine casualties.
- Commercial Diver, Divers Institute of Technology, 1980
Regional Managers
Mr. DeVilbiss manages Global's regional office in Anchorage, Alaska. He is responsible for client relations, contract negotiations, project management, bidding, and estimating.
- Mechanical Engineering Study, LeTourneau University
- Commercial Diver, Divers Institute of Technology,1997
- AWS Certificate
- American Salvage Association, Executive Committee
Mr. Pehle oversees the day-to-day operations of the California office, including estimating, bidding, client maintenance, field support, and overseeing administrative activities.
- Commercial Diver, Coastal School of Diving, 1985
Group Managers
Mr. Pierson is currently responsible for maintaining all of Global's assets, including facilities and equipment. He has been with Global since 1992. He has an extensive background in all diving mediums, from shallow water to saturation diving. He has worked on a large variety of inshore and offshore projects as a diver, supervisor, and superintendent. These projects range from heavy construction to casualty response projects under all conditions. He helped manage the fabrication of all four of Global's saturation diving systems and continues to assist in ensuring each system is maintained and operational.
- Commercial Diver, Divers Institute of Technology, 1991
- Pile Drivers Union, Local #2396
Sarah Burroughs oversees Health, Safety, Environment, Compliance and quality control. Sarah has served with Global since 2005, she has a background in project management, maritime and marine environmental operations and health & safety. The HSE group ensures compliance externally and internally with policies, industry standards, and regulations.
- B.S.M Degree, University of Phoenix
- USCG 100 ton Inland w/ Towing License
- Merchant Marine Able-bodied Seaman
- ICS 400 Level Incident Commander
- OSHA Health & Safety Specialist
- ASSE, American Society of Safety Engineers
- WISTA, Women's International Shipping & Trade Association