Patrick Vellner being interviewed by Armen Hammer at Wodapalooza 2019
Armen Hammer
CC BY 3.0
<a rel="nofollow" class="external free" href="https://www.youtube.com/watch?v=X7B-Zog1M0M">https://www.youtube.com/watch?v=X7B-Zog1M0M</a>