Marcello Boldrini Named Chief Executive Officer; David Bradley Departs Following Successful Tenure THE WOODLANDS, Texas, Oct. 20, 2026 /PRNewswire/ -- SI Group, a leading global developer and manufacturer of performance additives, process solutions, and chemical intermediates, today announced the appointment of Marcello Boldrini as Chief Executive Officer, effective October 19, 2026. Boldrini succeeds David Bradley, who has served as President and Chief Executive Officer since 2019. Marcello Boldrini "We are pleased to welcome Marcello Boldrini as SI Group's next CEO," said Daryl Rober…READ FULL ARTICLE
