David Tran is co-founder and CTO of PRX.co, a Y-Combinator and SV Angel-backed software-powered PR startup. Previously he started Crowdbooster, a social media optimization solution, was an entrepreneur-in-residence at StartX, and graduated from Stanford with a BS in Computer Science. David spends a lot of his free time training for marathons and rooting for the Warriors, A's, and the Stanford Cardinal.