
He once called friends to find out what their software cost. After selling Buyer to Ramp, Kimia Hamidi is turning the same curiosity toward the paperwork behind government purchases.

Before marketplaces became a default business model, Peter Ostrow was turning product specifications, federal rules and sales logistics into an online buying system. His career is a study in making complicated markets usable.
Justin Wenig is the founder and CEO of Starbridge, a New York AI company that helps businesses find and win public-sector contracts. He earlier co-founded Coursedog, a higher-education operations platform he scaled to 300+ institutions before a nine-figure sale to JMI Equity in 2021. A Columbia computer science grad and Forbes 30 Under 30 honoree, he raised a $42M Series A led by Craft Ventures in October 2025 and angel-invests in 50+ AI startups on the side.