Retail chain 99 Cents Only Stores, which is owned by Ares Management and Canada Pension Plan Investment Board, has named Christopher A. Laurence as an interim chief financial officer, treasurer and secretary. Previously, Laurence worked at ThreeSixty Group, where he served as CEO for the past six years
American HomePatient, which is backed by Highland Capital Management, has named Barbara Stark as senior vice president of business development. Previously, she worked at Univita Health, where she served as senior vice president of sales. Headquartered in Brentwood, Tennessee, American HomePatient is a home healthcare provider.
Avantor Performance Materials, a portfolio company of New Mountain Capital, has appointed William E. Redmond to its board of directors. Redmond is the former CEO of General Chemical Corp. Based in Center Valley, Pennsylvania, Avantor is a provider of high-performance chemistries.
Fractal Analytics, which is backed by TA Associates, has hired Amit Johari as chief people officer. Previously, Johari worked at Ernst & Young. Fractal provides advanced analytics to Fortune 500 companies.
Ignyta has hired Jacob Chacko as chief financial officer. He replaces Zachary Hornby, who has become the company’s chief operating officer. Previously, Chacko worked at TPG Capital, where he served as a vice president focused primarily on healthcare and digital media. Based in San Diego, Ignyta is a biotech firm that is developing precision medicine focused on treating cancer patients.
Milestone Scientific has named Gian Domenico Trombetta as CEO of its dental division and as a member of its board of directors. Milestone’s CEO, Leonard Osser, will remain in that position. Trombetta is the president and CEO of Milan-based private equity firm Innovest S.p.A. Headquartered in Livingston, New Jersey, Milestone Scientific is a provider of injection technology.
NetMotion WIreless, which is owned by Clearlake Capital, has hired Jim Ryder as president and Cary Baker as chief financial officer. Headquartered in Seattle, NetMotion is a provider of enterprise mobility management software.
Quantum Spatial, which is owned by Arlington Capital Group, has hired Rajib Roy as CEO. Previously, Roy worked at Equifax. Quantum Spatial is a provider of geospatial services.
Retailer Wal-Mart has named Greg Penner as vice chairman of its board of directors. He is a general partner at investment firm Madrone Capital Partners , described by the online CrunchBase database as a Menlo Park, California-based private equity firm associated with Rob Walton, the eldest son of Wal-Mart founder Sam Walton.