Following months of corporate upheaval marked by proxy battles, acquisitions and failed deals, Masimo and Staar Surgical Co. are starting fresh with new executives at the helm. Irvine-based Masimo has tapped Chief Commercial Officer Tim Benner to lead the medtech firm as president under Danaher ownership. Meanwhile, Aliso Viejo-based Staar Surgical promoted Warren Foust to permanent chief executive after serving as interim co-CEO since February alongside Deborah Andrews after Staar’s proposed $1.6 billion sale to Alcon fell through. Benner Leads Masimo’s Next ChapterBenner joined Masimo in 2025 as chief marketing and strategy officer. Masimo is now turning to Benner, who has 30 years of executive experience in the medtech industry, to lead the company under Danaher.