Carmit Sahar was born in Rishon leZion in 1967. During her childhood, she lived in a number of different countries where her father worked. Today she lives in Tel Aviv with her husband and their four children. Sahar has a BSc in computer science and a PhD in physics from Tel Aviv University. She is employed as chief scientist at a start-up software company. Previously, she worked as an expert in algorithms, machine learning and data science for a number of companies, including Google, EMC and Verint. She has acquired a large number of patents in technological fields and for several years has taught at the Holon Institute of Technology. In addition, she serves as a consultant for the European Union’s Horizon 2020 program for research and innovation. Set Theory is her first book.