Ben Sender is an entrepreneur, investor, and student at Princeton University. He's been in the market since elementary school. He has developed many iOS investing apps, including Stock Grader (stockgraderapp.com). Ben also founded the student-run investment fund Effective Altruism Investments which donates 20% of profits to charity (eainvestments.org). In the past he has worked at T. Rowe Price and Libra Group; this coming summer he will be working at The Blackstone Group.