Mary Oleksiuk

Mary Oleksiuk

Executive Vice President & Chief Human Resources Officer

Mary Oleksiuk leads teams focused on creating differentiated Team Member engagement. This includes all areas that empower a positive, unique employee experience. She is responsible for human resources (talent, leadership, culture, total rewards, predictive workforce analytics), communications, corporate services (real estate, security, travel), and aviation.

Mary is a member of Tyson Foods’ enterprise leadership team and reports to President and CEO Tom Hayes.

She came to Tyson Foods from The Hillshire Brands Company where she served as the chief human resources officer. Prior to Hillshire Brands, she served as chief human resources officer and senior vice president for Discover Financial Services.

Earlier in her career, she was senior vice president, global human resources for Alberto Culver Company. Before that, Mary held numerous leadership roles in human resources at companies such as Limited Brands, Inc., Orbitz, and Solucient/Thomson Reuters. She began her career at Honeywell/AlliedSignal.

Mary received dual bachelor's degrees in computer science and biology from Wayne State University. She also completed a Master of Science in Biology at the University of Illinois.