Elizabeth Blair is set to become president and CEO of US health club operator, 24 Hour Fitness, taking over from Carl Liebert III.

Currently the executive vice president, chief strategy office and general counsel, she joined the company, which has more than 400 locations and four million members, in February.

“Elizabeth has shown remarkable leadership and creativity,” says chair, Kathleen Broderick. “We are all excited that she has agreed to serve as chief executive officer, as we continue to grow 24 Hour Fitness as a dominant player in the health club industry in the United States.”