Platinum Equity
Mergers. Acquisitions. Operations.

Mergers. Acquisitions. Operations.

Leadership

The median tenure among Platinum Equity Partners and Principals is 11 years. This dedication is a driving force behind Platinum’s continuity, consistency, and shared vision.

The Partners and Principals lead in-house teams and guide every facet of Platinum’s strategy, from investment theses and deal processes to portfolio development and financial management.

  • Tom Gores
  • Mary Ann Sigler
  • David Anglin
  • Rob Archambault
  • Mark Barnhill
  • John Diggins
  • Robert Joubran
  • Eva Kalawski
  • Bryan Kelln
  • Jacob Kotzubei
  • Johnny Lopez
  • Philip Norment
  • Louis Samson
  • Robert Wentworth
  • Dave Aroesty
  • Paul Bridwell
  • Adam Cooper
  • Roger House
  • Robert Klap
  • Dan Krasner
  • Jason Leach
  • Bastian Lueken
  • Scott McCarthy
  • Mike Scott
  • Mark Wiesenthal
  • Eric Worley
  • Robert Wymbs
  • Marc Yassinger
  • Steve Zollo
Tom Gores

Tom Gores

Chairman & CEO

Tom Gores founded Platinum Equity in 1995 and his guidance, core philosophies, and strong principles drive the strategic development and direction of both Platinum and its portfolio.

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“The ability to move on multiple fronts concurrently has been one of the single biggest factors to our success.”
Mary Ann Sigler

Mary Ann Sigler

Chief Financial Officer

Mary Ann Sigler  is responsible for overall accounting, tax, and financial reporting as well as managing strategic planning projects for the firm.

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“Platinum, as a general rule, runs its portfolio on a fiscally conservative philosophy.”
David Anglin

David Anglin

Partner

David Anglin is responsible for the vision, implementation, and management of Platinum’s technology activities and oversees the M&A Technology group. 

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“Ultimately, you’re using technology to enable business operations, whether or not it’s the core competency of the company.”
Rob Archambault

Rob Archambault

Partner

Rob Archambault oversees Platinum’s M&A Operations group and evaluates prospective acquisitions. He also works closely with the executive management of nearly all acquired companies to set strategy, budget, and transition plans. 

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“An acquisition can be disheartening when you’re in the trenches. With Platinum, you’re working together to make changes.”
Mark Barnhill

Mark Barnhill

Partner

Mark Barnhill manages functions connected to capital raising, fund administration, and corporate and external affairs for Platinum. He also is the senior relationship manager with Platinum’s investors. 

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“We work to connect in a meaningful way and are very adept at building relationships founded on open, productive dialogue.”
John Diggins

John Diggins

Partner

John Diggins is responsible for leading business development efforts at Platinum, as well as growing the revenue base of Platinum’s operating companies and identifying opportunities for them to build market advantages. 

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“Today, we’re, really broadening the reach of our organization to affect a lot of different disciplines and organizations.”
Robert Joubran

Robert Joubran

Partner

Robert Joubran is responsible for guiding the strategy and growth of a key group of Platinum portfolio companies. 

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“When it comes to our portfolio, we’re operators--we understand operations and how businesses are run.”
Eva Kalawski

Eva Kalawski

Partner, General Counsel and Secretary

Eva Kalawski  oversees Platinum’s in-house legal staff and is responsible for addressing legal issues relating to diligence, M&A, and transitions, as well as the the legal affairs of its portfolio companies. 

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“The beauty of Platinum is that we keep growing. We keep doing larger, more sophisticated deals.”
Bryan Kelln

Bryan Kelln

Partner

Bryan Kelln  is President of Portfolio Operations and is responsible for all aspects of business strategy and operations at Platinum Equity’s portfolio companies. 

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Jacob Kotzubei

Jacob Kotzubei

Partner

Jacob Kotzubei leads a team of professionals through the entire acquisition execution process, directs selected divestiture activities, is a board member of many of Platinum’s portfolio companies, is a member of the Platinum Investment Committee, and shares responsibility for managing limited partner relationships. 

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“Platinum has become more sophisticated in the context of financial capital structures and possibilities for investing in a business.”
Johnny Lopez

Johnny Lopez

Partner

Johnny O. Lopez is a member of Platinum’s Investment Committee, continues to actively pursue significant M&A transactions across multiple industries, mentors transaction teams, and is increasingly involved in the firm’s business development efforts. Mr. Lopez is also a lead sponsor of Platinum’s investment in public securities for control.

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“Platinum has closely aligned operational and M&A strategies to grow our portfolio.”
Philip Norment

Philip Norment

Partner

Phil Norment is a member of Platinum’s Investment Committee and is a senior advisor on specific operational initiatives throughout the portfolio. He is also the senior executive responsible for evaluating acquisition opportunities and integrating new acquisitions into the portfolio. 

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“I love the deals that have a lot of complexity around them – to me, that’s fascinating, that’s challenging.”
Louis Samson

Louis Samson

Partner

Louis Samson leads Platinum’s New York-based investment team and manages the operations of the New York office. In his role, Mr. Samson oversees all financial, operating, tax, and legal aspects of M&A transactions executed by his team and in conjunction with the Operations Team provides active oversight of the portfolio companies for which he led the acquisition.

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“We have a long history of creating value by helping established companies navigate difficult market transitions.”
Robert Wentworth

Robert Wentworth

Partner

Robert Wentworth participates in senior level M&A activities for Platinum Equity and is a member of the Investment Committee. 

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“At any point in the transaction timeline, we’re having a well-rounded discussion about risk and opportunity.”
Dave Aroesty

Dave Aroesty

Principal

Dave Aroesty is responsible for evaluating operational turnaround opportunities in the hospitality industry and other sectors in which real estate provides a strong element of downside protection to the investment thesis.

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““When an opportunity comes up outside of Platinum’s core investment strategy, we’re not going to miss it. If it’s a good deal, we have the resources to get it to the finish line.””
Paul Bridwell

Paul Bridwell

Principal

Paul Bridwell is responsible for restructuring and transition initiatives at newly acquired portfolio companies.

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Adam Cooper

Adam Cooper

Principal

Adam Cooper is responsible for aspects of financial due diligence and also often leads the structuring and execution of acquisition and divestiture transactions. As a member of the operating committee for certain portfolio companies, he also has responsibilities related to post-acquisition monitoring and oversight of financial performance.

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Roger House

Roger House

Principal

Roger House is responsible for evaluating operational turnaround opportunities in the hospitality industry and other sectors in which real estate provides a strong element of downside protection to the investment thesis.

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“People are empowered here. You have the ability to make a decision, but you’ve got to be accountable for it. That’s the great thing.”
Robert Klap

Robert Klap

Principal

Robert Klap is based in Platinum Equity’s London office and is involved in the firm’s deal origination and investor relations activities.

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Dan Krasner

Dan Krasner

Principal

Dan Krasner is responsible for the structuring and execution of acquisition and divestiture transactions. As a member of the operating committees for portfolio companies, he also has responsibilities related to post-acquisition monitoring and oversight of add-on and divestiture transactions.

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Jason Leach

Jason Leach

Principal

Jason Leach leads a transaction team focused primarily on opportunities in the lower-middle market. He is responsible for the structuring and execution of acquisition and divestiture transactions.

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Bastian Lueken

Bastian Lueken

Principal

Bastian Lueken heads Platinum’s European M&A activities. 

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Scott McCarthy

Scott McCarthy

Principal

Scott McCarthy is responsible for financial due diligence and supports the structuring and execution of acquisition and divestiture transactions. As a member of the operating committee for certain portfolio companies, he also has responsibilities related to post-acquisition monitoring and oversight of financial performance

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Mike Scott

Mike Scott

Principal

Mike Scott takes responsibility for leading a team that transitions new acquisitions into the portfolio. 


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Mark Wiesenthal

Mark Wiesenthal

Principal

Mark Wiesenthal is responsible for evaluating operational turnaround opportunities in the hospitality industry and other sectors in which real estate provides an element of downside protection to the investment thesis. He is a member of the group responsible for the acquisitions and operations of Platinum Equity’s hotel portfolio. 

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Eric Worley

Eric Worley

Principal

Eric Worley is responsible for financial due diligence and supports the structuring and execution of acquisition and divestiture transactions. As a member of the operating committee for certain portfolio companies, he also has responsibilities related to post-acquisition monitoring and oversight of financial performance.

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Robert Wymbs

Robert Wymbs

Principal

Robert Wymbs manages strategic divestiture opportunities for Platinum. 

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“We’re all relationship managers at some level, working with investment bankers, corporations, and the businesses we develop.”
Marc Yassinger

Marc Yassinger

Principal

Marc Yassinger is a member of the firm’s in-house tax department and is responsible for addressing tax issues relating to the firm’s M&A activities as well as the operations of the firm’s portfolio companies.

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Steve Zollo

Steve Zollo

Principal

Steve Zollo is a senior member of Platinum’s M&A Operations team and is responsible for the Corporate IT function and Group Purchasing Program. 

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“When we started to acquire companies under the fund, the size and complexity of our deals continued to grow.”