Aaron Bast is a 26-year member of Ironworkers Local 5 in Washington, DC. The former business manager/financial secretary treasurer for the local, he joined IMPACT in August 2025 as the executive assistant to the CEO.
Aaron was first indentured as an apprentice in Ironworkers Local 5 in 2000. He worked in the field as an apprentice, journey worker, foreman, general foreman, and superintendent. Bast served as vice president, organizer, business manager, and pension and health/welfare trustee for Ironworkers Local 5. He received his Trustees Masters Program certification from the International Foundation of Employee Benefit Plans in 2019.
During his time as business manager, Aaron was an executive board member for the Virginia State AFL-CIO, the Metro Washington DC Council AFL-CIO, the Central Labor Council AFL-CIO, the Virginia Building Trades, and the Baltimore/DC Buildings Trades. He was also appointed to the Maryland Subsequent Injury Fund Board by Governor Moore.
In his free time, Aaron roots for the greatest sports teams – the Washington Commanders and the Nationals – and enjoys tattoos.