Mark Klein has served as Chairman, President and Chief Executive Officer of SuRo Capital since 2017, having spearheaded the firm’s rebranding from GSV Capital in 2019, and has been a director of the company since 2011.
Mark is also a director of Churchill Capital Corp II and Churchill Capital Corp III, special purpose acquisition companies (SPACs) that raised $690 million and $1.1 billion in initial public offerings on the New York Stock Exchange in June 2019 and February 2020, respectively. Additionally, since 2010 Mark has served as a Managing Member and Majority Partner of M. Klein and Company, LLC, an investment banking and advisory firm.
Mark was a Director of National Holding Corporations from 2011 to 2014, where he also served as CEO and Co-Chairman from 2013 to 2014. He served as a director of New University Holdings Corp from its inception in 2010 through 2011, when it merged with ePals, Inc. In addition, from April 2010 until May 2011, he served as CEO, President and a director of 57th Street General Acquisition Corp until it completed a merger with Crumbs Bake Shop. Subsequently, Mark served as a member of the Board of Directors of Crumbs from 2011 to 2014.
Mark has a bachelor’s degree with high distinction in Business Administration from Emory University and an MBA from the J. L. Kellogg School of Management at Northwestern University.
What is Mark D. Klein's net worth?
The estimated net worth of Mark D. Klein is at least $13.18 million as of September 21st, 2026. Mr. Klein owns 1,763,796 shares of Neostellar Capital stock worth more than $13,175,556 as of October 2nd. This net worth estimate does not reflect any other investments that Mr. Klein may own. Learn More about Mark D. Klein's net worth.
How do I contact Mark D. Klein?
Has Mark D. Klein been buying or selling shares of Neostellar Capital?
Who are Neostellar Capital's active insiders?
Are insiders buying or selling shares of Neostellar Capital?
In the last year, Neostellar Capital insiders bought shares 4 times. They purchased a total of 83,540 shares worth more than $833,234.00. In the last year, insiders at the sold shares 1 times. They sold a total of 5,085 shares worth more than $50,646.60. The most recent insider tranaction occured on September, 21st when CEO
Mark D Klein bought 5,000 shares worth more than $39,550.00. Insiders at Neostellar Capital own 8.3% of the company.
Learn More about insider trades at Neostellar Capital. Information on this page was last updated on 9/21/2026.
