Marc Orenstein, CFO of System 9, was previously CIO at Blockweather Holdings, a long/short volatility crypto fund. He also founded Observa Capital, a systematic long/short equity fund backed by an ex-Partner of Goldman Sachs, as well as being a portfolio manager at Davis Capital Management. His career began at Bear Stearns in Convertible Bonds, and at JP Morgan as a listed equity trader.

https://www.prnewswire.com/news-releases/system-9-closes-5-7m-series-a-funding-round-to-expand-operations-301574266.html