Pinterest (Original Wealth Source)

Founded: December 2009 / Launched March 2010 Role: Co-founder with Ben Silbermann and Evan Sharp Paul's Contribution: Original co-founder, helped develop initial concept and product Departure: Left operational role in April 2012 (less than 2 years after launch) Reason for Leaving: Wanted to focus on angel investing and supporting multiple startups Equity Retained: Maintained significant equity stake through IPO IPO: April 2019 (NYSE: PINS) Current Involvement: No operational role, retains board observer or advisor status (details private)