International Union of Operating Engineers Local 12
Ronald J. Sikorski was elected Business Manager of the International Union of Operating Engineers in June 2015 and appointed International Vice President. He is honored to serve the membership of Local Union No. 12.
In 1975, he graduated from the Operating Engineers Apprenticeship Program as an equipment operator. He served as a Job Steward on several jobs in the construction industry.
Ronald was hired as a Business Representative in 1980 and promoted to District Representative in 1996. He served as Vice President of the Riverside/San Bernardino Central Labor Council since 1980.
In 2008, he was appointed Vice President of Local Union No. 12.
He is currently Vice President of the State Building & Construction Trades Council and Vice President of the California Labor Federation AFL-CIO. He currently serves as a Trustee of the Southern California Partnership for Jobs.