On the 127th episode of the GreatBase Tennis podcast, Steve Smith's guest is Johann Frühling, who plans on making fitness and wellness his life's work. The native of Hamburg, Germany has completed sport science studies at the undergraduate level at the University of Leipzig and plans on completing his masters in the US.

Johann conducts running courses for his university and works for Blackroll, the largest foam rolling company in Germany. An active triathlete, Johann also works as a coach in a triathlon club. Over the last two years, he has studied tennis under Steve Smith's tutelage while working with GreatBase players.