# Mike Kadin

> Mike Kadin is the co-founder and CEO of RedCircle, a podcast hosting and advertising technology company founded with Jeremy Lermitte in 2018. A former high school physics and mathematics teacher and self-taught web developer, he spent five years building messaging and marketing infrastructure at Uber before turning to tools that help independent podcasters grow audiences and earn revenue. He is also a musician and beatboxer.

- **Role:** Co-founder and CEO at RedCircle
- **Organizations:** RedCircle, Uber, Merlin Education
- **Education:** Brown University
- **Known for:** Co-founded RedCircle in 2018., Helped build Uber marketing and communications systems facilitating billions of interactions., Led RedCircle through its $6 million Series A announcement in September 2021.

## Career timeline

- **Early career** — Taught high school physics and mathematics; learned web development to improve his teaching workflow.
- **2013** — Listed Merlin Education as his organization and spoke at DrupalCon Portland.
- **Before RedCircle** — Spent five years at Uber building messaging and marketing engineering infrastructure; worked with future co-founder Jeremy Lermitte.
- **2017** — Began an evening and weekend podcast-related coding project while learning Go.
- **2018** — Co-founded RedCircle with Jeremy Lermitte.
- **2019** — Introduced RedCircle publicly in a founder-written launch post.
- **2021** — RedCircle announced a $6 million Series A co-led by EPIC Ventures and Refinery Ventures.
- **2024** — Announced OpenRAP, bringing automated host-read advertising to podcasts on other hosts.
- **2025** — RedCircle introduced Mic Check for automated review of host-read advertising.
- **2026** — Announced Mic Check for programmatic advertising categories and discussed creator trust and video distribution on New Media Show.

## Achievements

- Co-founded RedCircle in 2018.
- Helped build Uber marketing and communications systems facilitating billions of interactions.
- Led RedCircle through its $6 million Series A announcement in September 2021.
- RedCircle reported generating over $16 million for podcast creators by its March 2024 OpenRAP announcement.
- Helped extend RedCircle advertising automation beyond its own hosting platform through OpenRAP.

## Latest updates

- **2026-08** — Discussed host-read advertising, AI, creator trust, Show IQ and RedCircle’s video expansion with Rob Greenlee on New Media Show episode 683.
- **2026-07** — Published the launch of Mic Check for programmatic ads, extending automated review to advertiser identification and advertising categories.

## Links

- Website: https://redcircle.com/
- LinkedIn: https://www.linkedin.com/in/mike-kadin-a341571b
- Twitter/X: https://x.com/mkadin

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Profile page: https://yespress.io/mike-kadin
Published by YesPress — https://yespress.io
Last updated: 2026-10-24