Mr. Psomas is chairman emeritus of PSOMAS, a leading engineering services firm headquartered in Los Angeles. The firm focuses on water resources, transportation, energy, institutional and municipal markets in the Western United States.
He is a member and founding chairman of the Board of Directors of the Institute for Sustainable Infrastructure, ISI, and past national chairman of the American Council of Engineering Companies – ACEC. He is a past chairman of the Coalition for Project Delivery, and the Center for the Study of Los Angeles.
His professional affiliations include the American Council of Engineering Companies, American Public Works Association, American Society of Civil Engineers, and the American Academy of Environmental Engineers.
He is also chairman of Project Restore, a public-private partnership with the City of Los Angeles chartered to restore and preserve municipal buildings and facilitate the rebirth of the downtown Los Angeles area.
He serves on the board of directors of several private companies including engineering, construction, technology startup businesses and professional service firms nationally, and several not-for-profit organizations including the Loyola Marymount University Board of Trustees.