Sergio Demian Lerner juggles multiple roles besides his responsibilities as chief scientist at smart contracts platform RSK Lab, which he co-founded in 2015. He also lends his expertise to several cryptocurrency-related companies, serving as adviser to CoinFabrik, security auditor at Coinspect, and project lead at NimbleCoin. Since 2009, Lerner has also acted as CEO of security and privacy solutions developer Certimix. He has also been software R&D manager at Pentatek for the past 14 years. He founded the company in 2002, making it a top Latin American player in the neurological medicine space. Lerner holds a master’s degree in computer science from the University of Buenos Aires.