Sen is a technical leader based in the Bay Area with expansive experience in engineering leadership across crypto exchange, self-driving, and SaaS. He is VP of Engineering at Okcoin, a crypto exchange. He previously held engineering leadership positions at Replica (a Series B data SaaS company funded by Founders Fund), Uber, Lyft, and Twitter. He has founded two companies, served as CTO, and had successful exits. He holds 5 US and international software patents. He currently is an active angel investor and technical adviser to several companies in the domains of blockchain/DAO, AI/ML, Self-driving, Social, and Fintech.