1. John Lack

… a true optimist who loves to motivate other people. He deeply wants to understand what drives them, embodies empathy and openness and sees a chance to learn in every encounter. Shapes new perspectives to approach situations holistically and has a knack for asking the right questions.

  • M.Sc. Electrical Engineering , focus on medical engineering
  • Two years of experience in a strategy consultancy
  • Focus: organizational development, agile transformation and facilitation
  • Thrives playing music and volleyball

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Alexander Exner


Anna Michel


Bernhard Jauernick


Summer & Co



Christine Küspert


Christopher May


Florian Hisserich


Holger Niemeyer


Hugo Suidman


Jennifer Coffey


John Lack


Summer & Co



Kai Voigt


Kilian Frühauf


Maria Lindinger


Oliver Grande


Rouven Schirmer


Sarah Broßeder


Robert Stulle


Thomas Weißschnur


Uli Mayer-Johanssen GmbH


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Simon Blake / launchlabs