
An aerospace student escaped the laws of physics, arrived too early for mobile, and found his lasting idea in a technology everyone else considered finished. After 15 years as Movable Ink’s CEO, his latest act is making room for the company to outgrow him.

Stephen Campbell is the CEO and co-founder of Revamp (YC S23), a San Francisco AI startup that stitches together Klaviyo and Shopify data to build smarter customer segments for eCommerce brands and agencies. A USC computer science graduate and former Airtable engineer, he built Revamp with longtime friend Amin Akhtar to turn days of manual data wrangling into insights that generate in seconds. He is known for a lean, capital-light approach to building - his 'raise early and raise small' philosophy - and for helping seed the Bay Area's generative-AI community through The GenAI Collective.

Xiaohan Shen is the co-founder and CEO of Coldreach (YC W23), a San Francisco startup that uses AI to find ready-to-buy leads by watching public buying signals and to personalize cold outbound at scale. A University of Wisconsin-Madison computer science and data science grad, he calls himself an 'outbound nerd' after writing more than 1,000 cold emails by hand at his first startup, EasyJobs, which he and co-founder Hankel Bao grew to 20,000 monthly active users before pivoting into the tooling problem they lived themselves.