Below is a recap of the C-suite developments at America’s highest-revenue-generating companies announced between May 2-8, 2026, organized by sector. Titles included in this roundup: CEOs (Chief Executive Officers), CFOs (Chief Financial Officers), and COOs (Chief Operating Officers). We also include CTOs (Chief Technology Officers), CIOs (Chief Information Officers), CMOs (Chief Marketing Officers), CHROs (Chief Human Resources Officers), Chief People Officers, and Chief Customer Officers when there are Power Moves within the Fortune 500 announced pertaining to those roles.

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Food, beverages, and tobacco

• General Mills (No. 216) appointed Dana McNabb COO, effective June 1. McNabb has been with the company for more than 25 years and most recently served as Group President, North America Retail and North America Pet. The company hasn’t had a COO since Jeff Harmening was promoted to CEO in 2017.
  
  
• Post Holdings (No. 477) appointed Nicolas Catoggio President and CEO, effective Oct. 1. Catoggio currently serves as EVP and COO at the company and will succeed Robert Vitale, who will transition to Executive Chairman. 

Health care

• Becton Dickinson (No. 211) appointed Vitor Roque CFO, effective May 7. Roque has been with the company for more than 25 years and served as interim CFO since December 2025, when previous CFO ChristopherDelOrefice departed to become CFO of Ulta Beauty (No. 375).

Source: S&P Global Market Intelligence