Portfolio Companies

24 Hour Fitness, which is backed by Forstmann Little & Co, has named Elizabeth Blair as president and CEO. Blair succeeds former CEO Carl Liebert, who left the company in May to head USAA Capital Corp. Headquartered in San Ramon, California, 24 Hour Fitness is a national gym chain.

AIS, a Southwestern provider of tailored data center and cloud service solutions, has appointed Greg Rollet as the company’s new chief executive officer. Rollet takes over from Tim Caulfield, who is transitioning into an advisory role for private equity firm Seaport Capital, an AIS investor.

DeZURIK has named Bryan Burns as president and CEO. Burns previously was president of the Crestliner division at Brunswick Corp. Based in Sartell, Minnesota, DeZURIK, which is backed by Granite Equity Partners, is a valve manufacturer.

Linden Care, a provider of specialty pharmacy services to the pain management industry, has appointed Michael W. Grieco as CFO. Greico served most recently as vice president of finance and mergers and acquisitions of Gentiva Health Services Inc, the largest provider of home health and hospice care in the United States. Linden Care is backed by BelHealth Investment Partners.

PCA Medical Group, a portfolio company of Enhanced Equity Funds, has expanded its management team with several new hires. Robert J. Bunker has been named chairman and chief executive officer while Dr. Jose Guethon is now chief medical officer and chief operating officer. Enrique Diaz-Granados has been tapped to be the company’s chief growth officer; Eric E. Campbell is now chief financial officer; and Reney Lizotte has become director of of healthcare services. Headquartered in Tampa, Florida, PCA Medical Group is a provider of primary care services and coordinate care.

Tom Zajac has joined Wellcentive as CEO and appointed board member effective Oct. 8. Zajac most recently served as chief customer officer of Elsevier. Atlanta-based Wellcentive is backed by Noro-Moseley Partners and Harbert Management Corp.