Apeiron Ventures


Passion. Experience. Diligence.




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David Nage



Managing Director

David Nage has been involved in the Family Office community for upwards of ten years, most recently as Managing Director of a Family Office focusing on optimizing their illiquid investments to Venture Capital, Private Equity and Direct Investments that concentrated on sustainable/impact related trends. David brings a decade of combined experience that makes him uniquely suited to help build businesses as a leader and an investor. Prior to his last role, David spent two years working with a prominent east coast family, facilitating direct investments in early-stage businesses in the sustainability sector while also identifying unique capital partners for their (CCS) Carbon Capture company. David identified the importance and emergence of the Family Office community early on and has spent the last decade building a robust and diverse global network of the most prominent families in the world. He has facilitated investments in various existing, new and emerging start-ups including Lyft, Rubicon Global, Bluon Energy and Prodea. 


Jack Fattal 




Jack is a multi-dimensional asset to Apeiron as he is a lawyer and an entrepreneur.  Jack has been involved in various forms of litigation including: real estate, securities, patent validity and mortgage put-back. Additionally Jack has been involved in an outdoor hospitality start-up in which he conceptualized a sophisticated product and positioning strategy to clearly and effectively enroll potential stakeholders and investors. He was also an important member in the drafting of the Private Place Memorandum, in preparation for a $5 Million Series A raise. 





Bill Teitelbaum

Bill Teitelbaum began his career as investment banker at LF Rothschild, Unterberg and Towbin in the Corporate finance department in New York after graduating from New York University with an Masters in Business Administration from the Stern School of Business following a Bachelor of Science Degree with honors from The State University of New York in Albany. After his tenure at LF Rothschild, Bill became a Partner at Bear Stearns & Company in New York with  responsibility in forming and operating their Special Investments Group; the group also implemented numerous out of the box transactional corporate finance opportunities focused on non traditional platforms.

Bill held numerous Boards of Directors positions in numerous private and public companies, including involvement in a number of high profile major corporate restructurings. This included $2 Billion with Lomas Financial Corporation; the publicly traded Vista properties of Dallas; Kawasaki Heavy industries and others. In addition, he was responsible for the spin off of the Foster and Kleiser Outdoor Advertising division of Metromedia Corporation; was an integral part of the underwriting team of Home Depot; and initiated the origination of secured rated multi family commercial debt structures closing in excess of $ 2 billion in transaction volume with Smith Barney, DLJ and JP Morgan Chase.

Thereafter, Bill founded a company that became the third largest retail chain of traditional music shops in the 1990, as well as the Founder and Director of GVI Distribution, exclusive distributor for Samsung Electronics CCTV products in North America until its public offering in 2005.

Bill also underwrote one of the original VC funds in the United States, The Nazem Leiber Fund, a fund engaged in investing in technology companies in their early stages of development, which was sponsored by the Collier family of Collier County Florida.

In addition, Bill has been certified as a transactional expert by the United States Federal Courts having provided testimony in various business matters that was accepted by the Federal Courts as that of an expert in many business related transactional matters.

Bill founded and is currently still the majority owner and Chairperson of one of the largest independent security distribution company in the United States with sales approaching $100 million.