Archives: People

Biographical info of our team

John Diggins

Head shot of John Diggins | Platinum Equity

Mr. Diggins holds a B.S. in Business Administration from the University of New Mexico.

Bob Wymbs

Head Shot of Bob Wymbs | Platinum Equity

Mr. Wymbs earned a bachelor’s degree in Electrical Engineering from Rutgers University and a Master of Business Administration from the Wharton School.

Louis Samson

Head shot of Louis Samson | Platinum Equity

Mr. Samson and his team led the acquisition, divestment, or investment in the following: Maxim Crane Works; The San Diego Union-Tribune; PBH Marine Group; American Commercial Lines; NESCO; BWAY; Exterion Media; BlueLine Rental (formerly Volvo Rents); MACtac (Europe and the United States); Worldwide Flight Services; Electro Rent; PAE; United Site Services; Incora (formerly Pattonair and […]

Johnny Lopez

Head Shot of Johnny Lopez | Platinum Equity

In Platinum’s early years, Mr. Lopez, under the guidance of Tom Gores, worked to execute upon all of the firm’s M&A initiatives including business development and lead generation, transaction execution, and transitioning acquisitions. He established the foundation of the firm’s approach to business development, proactively cultivating relationships to generate deal flow by using mail, e-mail, […]

Jacob Kotzubei

Head Shot of Jacob Kotzubei | Platinum Equity

Mr. Kotzubei and his team led the acquisition of, divestiture of or investment in the following:  SourceOne Healthcare (formerly Diagnostic Imaging), GeoLogic, CompuCom Systems, Turf Care Supply (formerly a division of LESCO), ESM Group, PNA Group, SDI, Broadleaf Logistics (formerly CanWel Building Products, a division acquired from Weyerhaeuser), Ryerson, SCM Metal Products and Ecka Granules, […]

Bryan Kelln

Head Shot of Bryan Kellen | Platinum Equity

Mr. Kelln joined Platinum Equity from Nortek, where he served as senior vice president and chief operating officer of the $2.4 billion diversified global manufacturer of residential and commercial ventilation, HVAC and home technology convenience and security products. Previously Mr. Kelln was a senior executive at Jacuzzi Brands where he served as President of Jacuzzi, […]

Stephanie Barter

Head shot of Stephanie Barter | Platinum Equity

Ms. Barter joined Platinum Equity in 1998 and has served in a variety of operations capacities, including portfolio company assignments as chief operating officer at Peak Technologies and chief information officer at NextiraOne. Ms. Barter was previously vice president of customer service at Foresight, a company acquired by Platinum Equity in 1996. Ms. Barter holds […]

Mark Barnhill

Head shot of Mark Barnhill | Platinum Equity

He is responsible for working with the firm’s M&A&O® teams on the capital structure and drawdown of investment capital for individual transactions. He also oversees functions related to quarterly and annual reporting and audit, compliance with contractual and regulatory matters related to the funds, and coordination with the funds’ Limited Partner Advisory Committees. In addition […]