Daniel Wainstein

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.