Healthcare provider Kaiser Permanente said Sunday that the chairman and CEO, Bernard J. Tyson, died unexpectedly at the age of 60.
Tyson was the first African American to lead Kaiser Permanente as CEO when he assumed the position in 2013 after having held a variety of roles over three decades at the company.
No other details were given in the company's announcement, which said Tyson died asleep early Sunday.
Tyson is survived by his wife, Denise Bradley-Tyson, and three sons, Bernard J. Tyson Jr., Alexander and Charles.
The Board of Directors has appointed Executive Vice President Gregory Adams as interim Chairman and Chief Executive Officer.
Tyson, who worked in Kaiser Permanente for more than 30 years in roles including hospital administrator and chief of administration, had been on Time magazine's list of the world's most influential people and one of "Health Care 50."
President Pei's chairman Edward Pei called Tyson "an exceptional colleague, a passionate leader and an honorable man."
"We will miss him greatly," Pei said in the company's news release. He added that the board "has full confidence in Greg Adams & # 39; s ability to lead Kaiser Permanente through this unexpected transition."
Oakland, California-based Kaiser Permanente grew under Tyson's leadership from 9.1
The head of Covered California, an independent government agency focused on health insurance, said Tyson's "vision and laser focus on increasing access, quality and affordable health care coverage for everyone has helped transform Kaiser and have a positive impact on the entire health care system. . "
" His efforts will have a lasting impression on California and the nation, "the agency's executive director Peter Lee said in a statement.
Tyson was also on the boards of the American Heart Association and Salesforce. He was a member of the American Academy of Arts and Sciences, and deputy head of the United States for the International Federation of Health Plans.
A native of San Francisco Bay, Tyson earned a bachelor's degree in health services management and an MBA in health services administration from Golden Gate University in San Francisco.
while in Kaiser Permanente, he was a member of the Bay Area Council, a business-driven public policy organization that advocated for a strong economy for area residents.