Andre Cronje is a prolific coder and he is best known for creating Yearn Finance and Keep3rV1, as well as his participation in other high-profile DeFi projects including Hegic, Pickle, Cover, PowerPool, Cream V2, Akropolish, Sushiswap and others. Cronje is a software architect with 20 years of development experience. After completing his 3 year computer science course in 5 months he was asked to stay on as a lecturer. He moved into telecoms developing big data, high transactional infrastructure, before delving into mobile security and cryptography. His last five years have been spent building bespoke FinTech solutions and leveraging blockchain technology to provide cost-reducing financial products to the unbanked sector in Africa. He is one of the most influential people in the DeFi space.