Stephen Koepfer has worked on everything from John Wick to Ray Donovan—but it all started with a love of martial arts and a willingness to share what he knew. His YouTube channel on Sambo caught the attention of John Wick director Chad Stahelski, leading to a consulting role on one of the biggest action franchises in the world.

His message? Follow your passion. Whether you're filming indie shorts, uploading fight breakdowns, or training behind the scenes—do it with commitment. The right people will notice.

🎙️ Catch the full conversation on the latest episode of The Fandom Portals Podcast, dropping this Wednesday!

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