He is also active in the open source community, leading the Cython project since it's inception and as a long-time contributor to the open source mathematics software Sage. He received a B.S. in Mathematics and Linguistics from Brigham Young University and a Ph.D. in Mathematics from University of Washington with William Stein studying questions related to the Birch and Swinnerton-Dyer conjecture. Robert currently resides in Seattle, Washington with his wife Camille and their two sets of young twins.