Portfolio companies

Milwaukee-based social business solutions provider 7Summits has named Ron Gidwitz to its board of directors. Gidwitz is a co-founder of GCG Partners and the former CEO of the Unilever HPC Helene Curtis business unit. 7Summits is backed by Sverica International Management.

Denver-based energy infrastructure firm Caliber Midstream Partners has named R. Poe Reed as president and CEO. Previously, Reed worked at Enable Midstream, where he served as executive vice president and chief commercial officer. Caliber is a joint venture between First Reserve’s energy infrastructure fund and Triangle Petroleum Corp.

The Carlyle Group has selected Robert Yates as chief operating officer of Ortho-Clinical Diagnostics, subject to the close of Carlyle’s acquisition of OCD from Johnson & Johnson. In this newly created role, Yates will report directly to incoming OCD chairman and CEO Martin Madaus.

Clayton, Dubilier & Rice has hired John Ballbach, former president, chief executive officer and chairman of VWR International, as an operating adviser. Ballbach will take on the role of chairman at Solenis once CD&R completes the acquisition of that business, expected in the third quarter.

Health Catalyst has named Fraser Bullock as chairman of the board of directors. Bullock replaces Dr. David A. Burton, who is retiring as a board chairman but will remain as a senior vice president at Health Catalyst. Bullock is a co-founder and managing director at Sorenson Capital. Based in Salt Lake City, Health Catalyst is a provider of data and analytics for healthcare organizations.

Indiana Limestone Co, a portfolio company of Wynnchurch Capital, has hired Tom Quigley as its CEO. Previously, Quigley was a general manager at Owens Corning. Indiana Limestone is a a limestone quarrier and fabricator.

MDVIP, which is owned by Summit Partners, has appointed Bret Jorgensen as executive chairman of the board. Previously, Jorgensen served as chairman of Diversinet. Based in Boca Raton, Florida, MDVIP is a personalized healthcare network.

PrimeSport, which is backed by Clearlake Capital Group, has named John Walker as president. Sam Soni will remain in his role as CEO. Previously, Walker worked at Tickets.com, where he served as president and CEO. PrimeSport is a provider of direct access to top sporting events.

Prospect Mortgage, which is backed by Sterling Partners, has named Michael J. Williams as its CEO. Williams replaces Ronald L. Bergum, who is transitioning from CEO to managing partner. In addition to his new role as CEO, Williams will remain the chairman of Prospect’s board. Prospect Mortgage is a home purchase lender.

Six Red Marbles, which is backed by Calvert Street Capital Partners, has named David DiFelice as chief financial officer. Previously, DiFelice worked at Strategic Savings. Headquartered in Boston, Six Red Marbles is a provider of digital and print-based learning programs and educational products.

Symphony Performance Health, which is owned by Symphony Technology Group, has hired George Dunaway as its new chief financial officer. Among the firms where Dunaway has previously worked are Restora Healthcare, Healthcare Solutions and CompBenefits Corp. Based in Alpharetta, Georgia, Symphony Performance Health is a provider of information, analytics and tech solutions for health network clients.

Thrasos Therapeutics has hired Donald Notman as senior vice president and chief financial officer. Previously, Notman worked at Leerink Partners, where he served as managing director and head of private capital markets. Headquartered in Montreal, Thrasos is a biotherapeutics firm focused on kidney disease.