
← Playbook HQ17 feb · 17 min
$100 Million Business From A Garage | Plunge Co-founder Ryan Duey
<p><strong></strong><a href="https://www.instagram.com/ryanaduey/" target="_blank" rel="noopener noreferer"><strong>Ryan Duey</strong></a>, co-founder of <a href="https://plunge.pxf.io/vDzkod" target="_blank" rel="noopener noreferer"><strong>Plunge</strong></a>, joins the Playbook HQ to share the origin story of building the world’s #1 cold plunge — starting from a garage during COVID.</p><p>We dive into:</p><ul><li><p>Why cold plunging creates an instant mental reset</p></li><li><p>Nervous system regulation, hormesis, and “losing your breath” on purpose</p></li><li><p>A powerful customer story that shows how deep these modalities can go</p></li><li><p>Why Plunge built a high-heat sauna and what makes it different</p></li><li><p>Plus Ryan’s flow stack: morning plunge, nighttime sauna, mini-trampolines, and his fundamental supplement stack</p></li></ul>