
A dinner by a BART station turned two Brazilians' investing frustrations into Astor. Now the former Nubank data scientist and Monashees investor is betting that useful financial advice can become a conversation, not a luxury.
Selling online got easy. The part after the sale - knowing what to buy, when, and how much - is still run on 1950s math and Friday-night spreadsheets. Flieber is betting AI can finally do the boring part.