Lewis employee Mark Portin

Bachelor of Arts, Business Administration – Seattle University
Carpenter Apprenticeship - United Brotherhood of Carpenters

Mark Portin

General Superintendent, Seattle

After earning his business degree, Mark’s passion for building and active lifestyle lead him to the Carpenters Union in 1990. He joined Lewis in 1995 as a journeyman carpenter where his leadership, quality work, and eye for efficiency led him to his position as superintendent. Mark is an avid practitioner of “Lewis Lean,” reducing waste and improving delivery on every job. He won our 2015 Wil Blain Mentorship award for helping develop new leaders. Mark is a salmon and tuna angler and enjoys bike commuting.