About Michael Leffell
Michael Leffell is the founder and chairman of 10 East, a membership platform where qualified investors review and invest in private-market deals alongside the firm. He says the firm lines up its own capital with that of its members, shareholders, and investment partners in every offering.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Michael Leffell in the role, so the role may have started earlier or lasted longer.
Portage Technologies Inc. Current
Founder & Chairman
2021 – Present · New York, NY
10 East is a New York membership platform that sources, vets, and manages private-market investments for qualified individual investors.
Key Colleagues at Startups
The people Michael Leffell works with at each company, as listed on that company's latest Form D.
Portage Technologies Inc. · Form D, Oct 30, 2026
Sam Klatt
Chief Investment Officer and director
DW
David Winn
Director
Itai Abelski
Executive officer and director
Michael Leffell in the News
Sources
- SECPortage Technologies Inc. Form D, filed Oct 30, 2026
- sec_canoeForm D – Canoe Software Inc.
- company_how_it_works10 East – How It Works