How Ryan Eisenman Found the Problem Behind ArchHighlighting Ryan Eisenman - a member of our community and CEO of Arch, a series B startupItamar Gil and Jews In TechOct 14, 2026∙ PaidShareBefore Arch, Ryan Eisenman kept a running list of business ideas in Apple Notes. He started it in 2013. Five years later, he co-founded the company that’s now defined as the Charles Schwab for private markets.This post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPrevious