Carl is CTO and Investment Partner at Shima Capital.

Carl served as the Chief Architect at Celsius Network and General Manager of CelsiusX, the DeFi division of Celsius. Prior to Celsius, Carl led the research and development effort at RippleX, which is Ripple's open-source/developers platform business unit. He also co-managed the C++ (XRP Ledger) team during his time at Ripple.

Prior to Ripple, Carl was the CTO for Logos Network - a first-layer, high-performance blockchain company, which was later acquired by Ripple. Earlier in his career, he contributed to the next-generation real-time flight software for the Europa mission at JPL NASA. He also has led engineering teams developing flight software at Northrop Grumman.

On his time off, Carl advises early-stage start-ups to help them navigate the blockchain space. Most recently, Carl has been an advisor to the physical asset NFT company [4K.com](http://4k.com/).

He holds an M.S. in System Engineering from UCLA and a Bachelor's Degree in Computer Science from UCR.