NewStar Financial’s’s John Frishkopf will retire on September 30, 2016. Frishkopf was a founding member of the firm and has served as treasurer and head of the Asset Management group since NewStar’s inception in 2004. He will remain involved with the company as an external advisor to provide decision support to the management committee and to advise the risk committee of the board of directors as needed on strategic funding matters.

“John played a key role in building the company and establishing our securitization platform as the centerpiece of our funding strategy,” said Tim Conway, NewStar’s CEO. “In fact, he was one of the pioneers of middle market loan securitization, driving innovation and helping to broaden investor interest in the asset class as the market developed.”

Frishkopf will be succeeded as treasurer by Michael Eisenstein, a managing director in the treasury group. Eisenstein joined NewStar in 2005 and has served as assistant treasurer since 2011, playing key roles in all treasury management activities, including building the company’s securitization platform. He has more than 16 years of treasury management and debt capital markets experience. Prior to joining NewStar, Eisenstein worked at Bank of Tokyo Mitsubishi UFJ Capital Corporation in its investment banking group covering non-investment grade commercial finance companies in the transportation sector.

“Working with Mr. Eisenstein, he also built a world-class treasury organization with un-matched securitization expertise and a strong operating platform,” Conway said. “His asset-liability strategy, disciplined liquidity management and thought leadership also helped guide us through periods of unprecedented market turbulence. As a result, he leaves us better for it and we are grateful for his many significant contributions.

While it is personally difficult to lose a colleague like John, I have complete confidence in Mike and our treasury team and I am excited about continuing to work closely with him as we build on an outstanding track record of middle market loan securitization and capitalize on opportunities to expand our asset management platform.”