Marcello Boldrini Named New CEO at SI Group
News related to:SI Group · 2 min read
THE WOODLANDS, Texas, Oct. 19, 2026 /CourierPR/ -- Marcello Boldrini has been named as the new Chief Executive Officer of SI Group, taking over from David Bradley, who has served as the President and Chief Executive Officer since 2019. Boldrini, who brings more than three decades of leadership experience in the specialty chemicals and materials industry, including stints at Kraton Corporation and Houghton International, will assume his new role effective October 19, 2026. The appointment comes after a period of significant change and challenge for the company, during which it successfully completed its 2025 recapitalization, strengthening its financial position and providing greater flexibility for the future.
Boldrini's appointment marks a significant shift in leadership for SI Group, a leading global developer and manufacturer of performance additives, process solutions, and chemical intermediates. The company, headquartered in The Woodlands, Texas, operates 18 manufacturing facilities across three continents and serves customers in more than 80 countries, supported by approximately 1,500 employees worldwide. Driven by a passion for safety, chemistry, sustainability, and delivering extraordinary results, SI Group innovates to create long-term value for a better future.
The appointment of Boldrini as CEO follows a period of significant leadership change at SI Group. David Bradley, who has served as President and Chief Executive Officer since 2019, will depart the company.
Boldrini's career includes roles at Kraton Corporation, where he led growth and transformation initiatives, including the creation of a Transformation Office that generated more than $100 million in annual EBITDA improvements. Earlier in his career, he held senior leadership positions at Houghton International, Momentive/Hexion, and Ashland.
The leadership team at SI Group will work closely with Boldrini to maintain a strong focus on safety, operational performance, and customer commitments. Customers, suppliers, and other business partners should continue to work through their existing SI Group contacts.
On behalf of the Board, Shawn Abrams, a member of the SI Group Board of Directors, thanked David Bradley for his leadership and many contributions to SI Group.
SI Group's leadership team will work closely with Boldrini to maintain a strong focus on safety, operational performance, and customer commitments. Customers, suppliers, and other business partners should continue to work through their existing SI Group contacts.