OWNER REPRESENTATION - COST ESTIMATING - REAL ESTATE SERVICES

GSG Group, Inc.’s decades of combined experience in the construction industry enables GSG Group to pull together strong and effective professional teams based on the unique needs of every client they serve. Though their main office is just outside of Seattle, in Edmonds, Washington, the team provides management expertise to clients in the greater Puget Sound region, the western United States and wherever their clients’ needs may take them.

Greg Mummy - Principal

GREG MUMMY, a managing principal in GSG Group, Inc., brings over 35 years of experience in construction and the construction management process. He has varied experience from being a laborer, to running his own general contracting / construction-management company. A recognized strength is his ability to put together a successful project team and extract each team member’s best work on behalf of the client.

Doug Sage - Principal

Managing principal in GSG Group, Inc., DOUG SAGE, has decades of construction experience in project management and cost estimating. Prior to receiving his degree in Construction Management, he worked as a laborer and carpenter in the Seattle region. Doug’s construction background enhances his effectiveness in working with the building team, whether they are owners, architects, engineers, public agencies or workmen.

CINDY LIUKKO

CASEY MUMMY

BRUCE BARRETT

BRUCE GOODSON, LEED AP

JACK ADAMS, LEED AP

MIKE KEMPPAINEN

ALEX CLEMENT

DRU RIDEAU

GRANT JENSEN