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Jason Flack

Jason Flack

Co-Founder & CEO building an AI platform for professional services

flack
Miami, Florida
Joined May 2025

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Summary

Jason Flack is an experienced entrepreneur and investor, currently serving as the Co-Founder and CEO of Collective OS, a stealth-mode company developing an AI-backed data partnership platform for the professional services industry. This venture reflects his focus on innovation and creating significant value through strategic alliances and technological solutions. crunchbase+3
Throughout his career, Jason has demonstrated a strong track record in operational leadership and investment within the startup ecosystem. His previous roles include Chief Operating Officer, Chief of Staff, and Director of Partnerships at Steady, as well as an investor in companies like Steady, beehiiv, and Payload. This background highlights his diverse expertise in scaling businesses, fostering growth, and identifying promising investment opportunities. rocketreach+1
Educated at the University of Southern California's Marshall School of Business, with additional experience from The Hong Kong University of Science and Technology and Bullis School, Jason combines a solid academic foundation in business administration with practical experience in venture capital and finance from his time at Square 1 Bank, K1 Investment Management, Anthos Capital, and UBS. rocketreach

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Notes

AMAnthony Millersaid
JFJason Flack
is one of the most promising recent founders they've seen in the B2B services space.

Feb 15, 2026

AMAnthony Millersaid they've seen
JFJason Flack
make strong progress as a founder in the pre-seed or seed stage.

Feb 12, 2026