+1 (646) 349-0916
Email info@keystone-cp.com

Team

Founder, Managing Partner and Chief Investment Officer

Fred Zaino founded Keystone Capital Partners in 2019. As Chief Investment Officer, Mr. Zaino is responsible for identifying public and private equity investments through bottom-up fundamental analysis. Prior to founding Keystone, Fred spent more than fifteen years at multi-billion-dollar global investment management firm Millennium Management, where he successfully identified and invested in hundreds of companies with a focus on the Biotech/MedTech sector. Recognizing a shift in investment strategy and the growing need for micro-cap, small-cap, and mid-cap public and private companies to access reliable capital sources, Mr. Zaino established Keystone in an effort to help overlooked and underfunded companies reach their goals. Mr. Zaino earned his bachelor’s degree from the State University of New York at Buffalo.

Founder, Managing Partner and Chief Operating Officer

Daniel Wainstein founded Keystone Capital Partners in 2019. In his role as Managing Partner, Mr. Wainstein focuses on both identifying and structuring Keystone’s equity and debt investments for both public and private companies. Prior to Keystone, he co-founded Mastiff Group, LLC, a private investment firm with offices in New York and Florida that focuses on strategic real estate acquisitions and investments. With Mr. Wainstein at the helm, Mastiff has been the principal investor and general partner in a significant number of transactions including alternative public offering transactions, PIPE financings, and various structured finance transactions in both the public and private sectors. Mr. Wainstein earned his bachelor’s degree from Hofstra University and his Juris Doctorate from Hofstra University School of Law.

Partner

Marissa Welner joined Keystone Capital Partners in 2020, responsible for the daily operation of the Company including coordination with Keystone’s outside legal counsel.   In addition to her role at Keystone, Ms. Welner is the chief strategy officer of Mastiff Group, LLC, a private investment firm with offices in New York and Florida. Prior to joining Mastiff, she established Madison Consulting Services, LLC, through which she has participated in a number of alternative public offering transactions, PIPE financings, and various structured finance transactions in both the public and private sectors. Ms. Welner earned her bachelor’s degree from New York University and her Juris Doctorate from Hofstra University School of Law.