Samantha Hammock

Executive Vice President and Chief Human Resources Officer Cencora

Last Reviewed: October 1, 2026

Executive Summary

Sam Hammock joined Cencora in July 2026 as Executive Vice President and Chief Human Resources Officer, succeeding the retiring Silvana Battaglia. A member of the enterprise leadership team, she leads the company’s talent strategy. She came from Verizon, where as chief human resources officer she led people strategy for a workforce of more than 100,000, and before that spent more than 14 years at American Express, ultimately as Head of Global Talent and Learning. Cencora ranked No. 10 on the 2026 Fortune 500.

Career Highlights

• Executive Vice President and Chief Human Resources Officer of Cencora since July 2026.
• Executive Vice President and Chief Human Resources Officer of Verizon.
• More than 14 years at American Express, ultimately Head of Global Talent and Learning.
• Board member of the CHRO Association.

Professional Journey

Hammock earned a Bachelor of Science in business administration at Michigan State University and an MBA at Wayne State University. She spent more than 14 years at American Express in a series of leadership roles, ultimately as Head of Global Talent and Learning.

She then became Executive Vice President and Chief Human Resources Officer of Verizon, leading people strategy for more than 100,000 employees. In June 2026 Cencora announced her appointment as its Executive Vice President and Chief Human Resources Officer, effective 13 July 2026. She is a board member of the CHRO Association.

Education

Wayne State University

MBA

Michigan State University

Bachelor of Science, Business Administration