Lasse Petterson Lasse Petterson, President and CEO of Great Lakes Dredge & Dock Corporation. President Biden President Biden at Philly Shipyard. HOUSTON, July 20, 2023 (GLOBE NEWSWIRE) -- Great Lakes Dredge & Dock Corporation ("Great Lakes" or the “Company”) (NASDAQ: GLDD), the largest provider of dredging services in the United States, announced that President Biden attended the steel cutting ceremony today and initiated the first cut of steel for the construction of the Acadia, Great Lakes’ fi