Brian Tyler Becomes McKesson’s New CEO

April 01, 2019

  • Edward Mueller assumes role as independent chair of McKesson’s Board of Directors
  • Irving, Texas officially McKesson’s new global headquarters

IRVING, TEXAS April 1, 2019—Veteran McKesson leader, Brian Tyler, becomes the company’s new chief executive officer today, succeeding John Hammergren. Hammergren has served as the company’s top executive since 1999.

“I am incredibly humbled and grateful for the opportunity to lead this company,” said Brian Tyler, chief executive officer, McKesson Corporation. “We have a seasoned and talented Board of Directors and executives. I look forward to building on the solid foundation and global platform established by John and our management team. McKesson will continue to innovate in this changing healthcare environment, always focused on providing exceptional value to our customers and patients.

Tyler is a 22-year McKesson veteran who has headed up nearly every major business within the company as well as McKesson’s corporate strategy and business development unit. Most recently, Tyler served as COO and president of McKesson. He also joins the company’s Board of Directors.

Hammergren will remain Board chair for Change Healthcare and will continue to support Change Healthcare and McKesson as an advisor.

Edward Mueller becomes independent Board chair

Edward Mueller, previously lead independent director, takes over as independent chair of the company’s Board of Directors today and will provide strong leadership continuity for the Board. He has been a member of the company’s Board since April 2008 and the lead independent director since 2013.

Mueller served as chairman and chief executive officer of Qwest Communications from August 2007 to April 2011. He has also held the position of chief executive officer of Williams-Sonoma, Inc. and Ameritech Corporation, a subsidiary of SBC Communications. Mueller previously served on the boards for The Clorox Company, CenturyLink, Inc., Williams-Sonoma, Inc. and VeriSign, Inc.

Corporate headquarters relocates to Irving, Texas

Effective today, McKesson’s Las Colinas campus in Irving, Texas—just outside of Dallas—becomes the company’s official global corporate headquarters. Opened in 2017, the Las Colinas campus is an existing employee hub with teams performing vital functions for the company in areas such as operations, information technology, finance and accounting, marketing and sales, administration and support, purchasing, and project management.

“This is an exciting change for McKesson,” said Brian Tyler. “Our Las Colinas campus offers us everything we could ask for—modern workspaces where our employees can connect and collaborate in a city with such great energy and growth. We look forward to deepening our connection in the community as a leading employer and corporate citizen. I know that we’ll thrive in the Dallas area.”

The Las Colinas campus achieved LEED Gold certification, a recognition of its resource efficiency, and a WELL Building Silver certification, the first building standard focused solely on human health and wellness. Elements of the building are designed to support employee productivity and wellness, empowering employees to work the way they like while fostering team collaboration amidst an array of amenities and enhanced technology capabilities.

To learn more about career opportunities with McKesson at Las Colinas or other locations, visit the Careers page on the McKesson website.

About McKesson Corporation

McKesson Corporation, currently ranked 6th on the FORTUNE 500, is a global leader in healthcare supply chain management solutions, retail pharmacy, community oncology and specialty care, and healthcare information technology. McKesson partners with life sciences companies, manufacturers, providers, pharmacies, governments and other organizations in healthcare to help provide the right medicines, medical products and healthcare services to the right patients at the right time, safely and cost-effectively. United by our ICARE shared principles, our employees work every day to innovate and deliver opportunities that make our customers and partners more successful — all for the better health of patients. McKesson has been named the “Most Admired Company” in the healthcare wholesaler category by FORTUNE, a “Best Place to Work” by the Human Rights Campaign Foundation, and a top military-friendly company by Military Friendly. For more information, visit

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