Marcello Boldrini Appointed CEO of SI Group
SI Group has appointed Marcello Boldrini as its new Chief Executive Officer, succeeding David Bradley who departs after a successful tenure.

The Woodlands, Texas – SI Group, a developer and manufacturer of performance additives, process solutions, and chemical intermediates, has named Marcello Boldrini as its new Chief Executive Officer. The company announced that David Bradley is departing the organization following a successful period leading the company.
Boldrini assumes the CEO role effective immediately. The company did not provide specific reasons for Bradley's departure but expressed gratitude for his contributions. Bradley's tenure saw the company navigate various market conditions in the specialty chemicals sector.
SI Group operates globally, focusing on chemicals that enhance the performance of various products. The company's products are utilized across multiple industries, including plastics, adhesives, and fuels.
With extensive experience in the global chemical industry, Boldrini has held several senior leadership positions at other companies prior to his appointment at SI Group. His background is expected to guide the company's strategic direction moving forward.