Zack Sinclair
CEO at Cottontail
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolZack Sinclair is a seasoned software entrepreneur and CEO based in San Francisco with 11 years of experience building and leading product-focused startups across ad tech, ticketing, wellness SaaS, and AI-driven social platforms. He’s launched and led multiple companies—most recently Cottontail, where he’s “dissecting blockchains for fun and profit”—and previously co-founded Channel AI, FairBlocker, and Graphite, demonstrating a consistent ability to ship market-facing infrastructure and monetization systems. His background blends product, engineering, and go-to-market strategy, from building an in-house ad server at Mode Media to running revenue delivery and ad-tech strategy at SocialChorus. A long-serving board member for industry and wellness ventures, he also helped govern the Acceptable Ads Program, reflecting a rare mix of technical leadership and industry policy experience. Known for pragmatic, founder-led execution, he combines deep ad tech roots with current explorations in blockchain and AI-enabled social interactions.
11 years of coding experience
14 years of employment as a software developer
B.S., Managerial Economics, B.S., Managerial Economics at University of California, Davis
Spanish, Chinese
Github Skills (132)
ui-components10
material-ui10
language-design10
apollo-client10
hybrid10
javascript10
react-components10
theming10
browser10
tidy10
rest10
apollographql10
compiler10
nest10
react-admin10
Programming languages (5)
Github contributions (5)
baseco/discord.js
Oct 2020 - Jun 2022
Contributions:16 pushes in 1 year 7 months
zacksinclair/gdax-tt
Jun 2018 - Feb 2019
The GDAX trading toolkit
Contributions:12 pushes in 7 months
forex-tradingtradinggdax
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