David W. Heindel
David Heindel has served as the President of the Seafarers International Union since February 2023. Prior to that, he served as the secretary-treasurer of the Seafarers International Union, Atlantic, Gulf, Lakes and Inland Waters starting in February 1997.
Augustin Tellez
Augustin “Augie” Tellez is the executive vice president of the Seafarers International Union. He was appointed to that position in November 2005. Previously, he served as the union’s vice president of contracts and contracts enforcement from 1991-2005. In that post, he managed the SIU’s collective bargaining and contract implementation efforts throughout all segments of the industry, including deep sea, Great Lakes, inland and passenger vessels.
Tom Orzechowski
Tom Orzechowski is the Secretary-Treasurer of the Seafarers International Union. Prior to that, he served as vice president of the Seafarers International Union’s Lakes and Inland Waters.
George Tricker
George Tricker is the vice president for contracts and contracts enforcement for the Seafarers International Union. He has served in that position since being appointed by the union’s executive board in November 2005. He was elected in 2008 and re-elected in 2012.
Dean Corgey
Dean Corgey is vice president of the Seafarers International Union’s Gulf Coast Region.
Nicholas J. Marrone
Nick Marrone is vice president of the Seafarers International Union’s West Coast Region.
Joseph T. Soresi
Joe Soresi is vice president of the Seafarers International Union’s Atlantic Coast Region.
Bryan Powell
Bryan Powell is vice president of the Seafarers International Union’s Lakes and Inland Waters Region.
Nicholas Celona
Nicholas Celona is the vice president of the SIU Government Services Division. He was appointed to that post in 2021.
Karen Horton-Gennette
Karen Horton-Gennette is the national director of the Seafarers-affiliated United Industrial Workers (UIW).
Michael Sacco
Michael Sacco was the president of the Seafarers International Union of North America, AFL-CIO – a federation of 12 autonomous unions representing 80,000 merchant mariners; industrial, service and government workers; and others in various professions. He first was elected to the position by the SIUNA executive board in June 1988, and retired in 2023.