Board of Directors

Brian Golson 

Brian Golson is a Managing Partner at Parthenon Capital Partners, the head of the firm's San Francisco office and is a member of the firm's Investment Committee. He serves on several corporate boards including Performant Financial Corporation, Ascension Insurance, Loan Depot, Seaside National Bank & Trust, and H.D. Vest.

Brian is involved with the Marin Theatre Company and is actively engaged in development and scholarship efforts for the University of North Carolina.


Henry Helgeson 

As CEO and co-founder of Merchant Warehouse, Henry Helgeson leverages his 15 years of payment innovation, processing and merchant services experience to drive continued growth. A visionary, Henry is the creative force behind the company’s recently launched, Genius™ Customer Engagement Platform™, a next generation payment and program acceptance solution that offers ultimate flexibility, scalability and security.

Henry is actively involved in numerous industry associations. He currently serves as chair of the ISO Practices committee for the Electronic Transactions Association (ETA) and a member of their Mobile Payments Committee. Henry also serves as a Board member for the Northeast Acquirers Association (NEAA).


Jack Lavin

Jack Lavin is the co-founder, chairman and Managing Director of Javlin Capital, a private investment firm specializing in the accounts receivable management (ARM) industry. Prior to Javlin, he served as Executive Vice President of Sallie Mae and CEO of its 4,000-employee Asset Performance Group (APG) division. 

In addition to Merchant Warehouse, Jack serves on the Board of the OSA Foundation. He is also a member of the Advisory Board of Thunderbird’s Center for Global Entrepreneurship as well as an Advisory Board member of Parthenon Capital and on the MicroVest Advisory Council.


Zach Sadek 

Zach Sadek is a Vice President in the Parthenon’s Boston Office. He is active in sourcing and executing new transactions and working with current portfolio companies with a focus in Business Services, Financial Services, Education and Route-Based Distribution.

In addition to Merchant Warehouse, Zach serves on the Board of Directors of Tier Technologies.