Ravital Solomon is Founder of Sunscreen. Formerly, Cryptographer at NuCypher. She is a cryptographer and holds an MSc in Mathematics & Theoretical Computer Science from Oxford University, where she completed her thesis constructing the first lattice-based anonymous reputation system. She also holds a BA in Mathematics from Berkeley. In addition to her academic background in mathematics and cryptography, Ravital also has entrepreneurial experience, having graduated from the 11th London cohort of Entrepreneur First (Cryptography & Privacy track).