Stephen Williamson is the former Senior Vice President and Chief Financial Officer of Thermo Fisher Scientific Inc., a provider of laboratory equipment, scientific products, and biopharma services, serving from August 2015 through March 31, 2026. He was appointed to Honeywell's Board on April 1, 2025.
He is Honeywell's incoming Audit Committee Chair and was previously a member of the Institute of Chartered Accountants of England and Wales.