David RuffDavid Ruff was named CEO and president of Coffman Engineers Inc. in Seattle. He was formerly the firm’s president. The promotion follows a companywide initiative to increase Coffman’s reach into federal markets, including Dept. of Defense work. Ruff, also a principal of the firm, became president in 2015. A mechanical engineer with an industrial focus, Ruff has been with Coffman for 23 years. Former Coffman CEO David Gardner was named senior vice president of federal programs. His experience includes work as a civilian engineer with the Naval Facilities Engineering Command and as the leader of Coffman’s successful execution of DOD work throughout Alaska and the Pacific Rim for many years. Gardner served as the Spokane office’s general manager from 2007 through 2014 and joined Coffman in 1990.

Greg Delwiche has joined HDR as a senior strategic consultant for power and will be based in Portland, Ore. In his new role, Delwiche will advise HDR on its electric utility services business and work closely with the asset management team. He has more than 30 years of experience with Pacific Northwest energy management and natural resource policy issues. He comes to HDR from Bonneville Power Administration, which he joined in 1992. Delwiche has been inducted into Oregon State University’s Academy of Distinguished Engineers and has received the Presidential Rank Award for Distinguished Service in 2015.

Mel JonesMel Jones has joined JE Dunn Construction as a senior diversity and inclusion manager, based in Portland, Ore. Jones has more than 25 years of experience in construction. He dedicates his time to community organizations and has held past appointments as advisory board chair for the Oregon Association of Minority Entrepreneurs and as president of the Black Citizens Coalition of Portland Neighborhoods.

Chris ThomasChris Thomas was named senior vice president and government market head for the property and buildings business at WSP USA in Seattle. Thomas was previously senior vice president with CH2M. His expertise includes business development, government relations, public affairs, community relations and corporate strategy. Stephen Kambol has been named a senior project manager in WSP’s Seattle office. In his new position, Kambol will be responsible for large rail projects. Kambol has nearly four decades of experience, including as a transportation engineering specialist. Prior to joining WSP, Kambol was the Pacific Northwest rail/transit department manager for an international engineering firm.

Kevin McCainKevin McCain was promoted to executive vice president and general manager at Skanska for the Seattle office’s building construction operations. He succeeds Chris Toher, who was recently promoted to the national role of Skanska USA Building’s chief operating officer. A 26-year industry veteran who has spent his entire construction career in the Pacific Northwest, McCain holds a bachelor’s degree from the University of Washington. Toher will continue to be based in Skanska’s Seattle office. He is a graduate of Washington State University and has spent his entire 30-year career with Skanska.