Max Hammer grew up in Westport, Connecticut, and graduated from Staples High School in 2016. A few doors down lived Josh Karol - same town, same graduating class, future co-founder. Years later, after Max went to the University of Pennsylvania and into investment banking and Josh went to write software at the hedge fund Millennium, the two would build a company together. But first they had to get annoyed enough.
The annoyance came from the dancefloor. Max, Josh, and their third co-founder Aria Mohseni - a working DJ who has played New York rooms like the Williamsburg Hotel - share a real obsession with electronic music. In 2023 the group attended more than eighty shows. Eighty. That is not a stat you put on a pitch deck to look serious. It is the kind of number that means you have personally felt every broken thing about buying and selling tickets: the opaque markups, the fake listings, the friction, the fear that the QR code in your inbox opens to nothing.
So they did the founder thing and built the fix. The model they landed on borrows from an unlikely source - the sneaker resale giant StockX. Instead of a seller naming a take-it-or-leave-it price, CrowdVolt runs a two-sided exchange. Buyers submit bids. Sellers set asks. When a bid meets an ask, the trade clears. Add counterparty security, verified delivery, and fast seller payouts, and the chaos of the resale market starts to look like a market.
When Y Combinator's acceptance arrived in late 2023, Max made the call most people only talk about making. He left the banking job, moved to San Francisco, and went all in. CrowdVolt joined YC's Winter 2024 batch, with partner Jared Friedman, and launched publicly in late January of that year.
The early going was Brooklyn-shaped and deliberately small. The team learned the YC catechism by heart - if you are not coding or talking to customers, you are wasting your time - and grew the platform to thousands of users and a couple hundred listed events within months. Then came the money: a $1.4 million seed round from Brickyard VC, Goodwater Capital, and Pioneer Fund, plus an angel check from Jawed Karim, the co-founder of YouTube. Not a bad name to have on the cap table when your whole thesis is that culture moves online before the infrastructure catches up.
What makes the pitch land is that Max is not a tourist in this market. He is the customer. The same person who stood in eighty ticket lines is the one designing the exchange meant to kill the line. That is the strange specific worth holding onto here: CrowdVolt was not reverse-engineered from a TAM slide. It was reverse-engineered from being burned.