Executive Team

Robert Hamwee, Vice Chairman and Director, joined New Mountain in 2008, and was CEO of NMFC from its inception until the end of 2022. Mr. Hamwee has also served as a Managing Director of New Mountain Capital since 2008. Prior to joining New Mountain, he was President of GSC Group (“GSC”), where he was responsible for managing GSC’s control distressed debt funds. He was with Greenwich Street Capital Partners, the predecessor to GSC from 1994 to 1999. Prior to that, Mr. Hamwee was with The Blackstone Group from 1992 to 1994, where he worked on a wide range of assignments in the Restructuring and Merchant Banking Departments. Mr. Hamwee has chaired numerous creditor committees and bank steering groups and has been a lead director for many corporate boards, including Purina Mills, Envirosource, and Viasystems.

He graduated Phi Beta Kappa from the University of Michigan with a B.B.A. degree in Finance and Accounting in 1992.

John Kline, Chief Executive Officer, President and Director, joined New Mountain in 2008. Prior to joining New Mountain, he worked at GSC Group from 2001 to 2008 as an Investment Analyst and Trader for GSC’s control distressed and corporate credit funds. From 1999 to 2001, Mr. Kline was with Goldman where he worked in the Credit Risk Management and Advisory Group. Mr. Kline currently sits on the board of Unitek Global Services, a current NMFC portfolio company.

Mr. Kline graduated from Dartmouth College, with an A.B. degree in History in 1999.

Laura Holson, Chief Operating Officer, joined New Mountain in 2009. Before joining New Mountain, Ms. Holson worked at Morgan Stanley from 2007 to 2009 in the Healthcare investment banking group.

Ms. Holson received a B.S. in Economics with concentrations in Finance and Marketing from The Wharton School, University of Pennsylvania, where she graduated magna cum laude.

Adam Weinstein initially served as the Chief Financial Officer and Treasurer of New Mountain Finance Corporation from July 2010 until January 2013 when he was promoted to Executive Vice President and Chief Administrative Officer of New Mountain Finance Corporation where he now serves in an oversight role of the finance and administrative areas. Mr. Weinstein joined the board of directors of New Mountain Finance Corporation in August 2012. Mr. Weinstein serves as a Managing Director, Head of Firm Operations and Chief Financial Officer of New Mountain Capital and has been in various roles since joining in 2005. Prior to joining New Mountain Capital in 2005, Mr. Weinstein was a Manager at Deloitte & Touche, LLP and worked in that firm’s merger and acquisition and private equity investor services areas. Mr. Weinstein sits on a number of boards of directors for professional and non-profit organizations.

Mr. Weinstein received his B.S. from Binghamton University, is a member of the AICPA and is a New York State Certified Public Accountant.

Joseph Hartswell, Managing Director and Chief Compliance Officer, joined New Mountain in 2015. Prior to New Mountain, Mr. Hartswell was the Chief Compliance Officer for Mount Kellett Capital Management LP, a global investment firm focused on distressed, special situations and opportunistic investing. Prior to joining Mount Kellett, Mr. Hartswell was a Director, Asset Management Financial Services Regulatory Practice for PricewaterhouseCoopers LLP (“PwC”) where he assisted with the development of compliance programs for hedge funds, private equity funds, venture capital funds, registered investment companies, separate accounts and business development companies. Prior to PwC, Mr. Hartswell was a Vice President and Deputy Chief Compliance Officer for AIG Investments where he assisted with strategies and operational planning for a global asset manager and its SEC registered investment advisers and served as the designated Chief Compliance Officer for products registered under the Investment Company Act of 1940. Prior to AIG Investments, Mr. Hartswell was a Securities Compliance Examiner for the U.S. Securities and Exchange Commission.

Mr. Hartswell holds a B.S. in Finance and International Business from the University of Maryland and is a CFA charterholder.