Amgen CTO David Reese to retire; Bradner and Gordon take expanded roles

Amgen said on April 22, 2026 that Chief Technology Officer David Reese will retire on June 30, 2026. From June 1, James Bradner takes a broader role covering research, development, artificial intelligence and data, Murdo Gordon becomes executive vice president for global markets and policy, and Sean Bruich is named senior vice president and CTO. The reshuffle moves AI and data under R&D leadership.

• David M. Reese, EVP and CTO, retires effective June 30, 2026
• James Bradner becomes EVP, Research and Development, Artificial Intelligence and Data, effective June 1, 2026
• Murdo Gordon becomes EVP, Amgen Global Markets and Policy, effective June 1, 2026
• Sean Bruich named senior vice president and Chief Technology Officer