SI Group Appoints Marcello Boldrini Chief

SI Group announced a leadership change on October 19, 2026. SI Group appointed Marcello Boldrini, most recently CEO of Kraton Corporation, as Chief Executive Officer, succeeding David Bradley, who had served as President and CEO since 2019.

What changed

Marcello Boldrini was named Chief Executive Officer. David Bradley, who had served as President and Chief Executive Officer since 2019, departed following what the company described as a successful tenure.

Leader: Marcello Boldrini
Role: Chief Executive Officer
Effective: October 19, 2026
Announcement date: October 19, 2026

Leadership background

Boldrini has more than three decades of leadership experience in the specialty chemicals and materials industry, with a career spanning Europe, Asia and the Americas. He most recently served as CEO and a director of Kraton Corporation, where the company said he led growth and transformation initiatives, including a Transformation Office that generated more than $100 million in annual EBITDA improvements. Earlier, he held senior leadership positions at Houghton International, Momentive/Hexion and Ashland.

The mandate

Boldrini said his initial focus will be on listening and learning, spending time with teams and customers, to set clear priorities for the business. He said safe and reliable operations, disciplined execution and delivering value for customers will remain central to his work.

Why this matters for GTM teams

Executive appointments can precede changes in strategy, operating cadence, hiring, partnerships, and technology priorities. The useful signal is not the title alone: teams should watch the new leader’s stated mandate, prior playbook, organizational scope, and the initiatives announced during the first two quarters.

Source and methodology

This leadership profile is based on the company’s announcement. Roles, transition timing, and biographical details are presented as announced; SalesTools Research does not infer undisclosed succession plans.

SI Group