Johann Schleier-Smith is Co-Founder and CTO at if(we), the social network for meeting new people. Under Johann’s leadership, if(we) has produced highly scalable web and mobile products with its platform supporting 300 million users in over 200 countries. With an interest in machine learning, data science, analytics and software development and a passion for recommender systems, he works closely with teams to solve hard science problems, while meeting the trends of 21st century social life, adapting cutting-edge academic work to internet-size and internet-speed applications. Johann holds an A.B. in Physics and Mathematics from Harvard University and pursued a Ph.D. in Physics at Stanford for several years, before leaving to fully focus on if(we).