“The best executive coach for media appearance, rhetoric, body language and outstanding presentations.”
Martin Barthel
Top-Manager at Gucci, Ebay and Meta (Facebook)
“An outstanding media trainer, crisis communications advisor and presentation coach.”
Ralph Winterhalter
CEO, Winterhalter Gastronom GmbH
"Selected by the
SÜDDEUTSCHE ZEITUNG
among Germany's
Presentation experts
for the SZ-Wissensforum"
"Selected by the
SÜDDEUTSCHE ZEITUNG
among Germany's
Presentation experts
for the SZ-Wissensforum"
“In no time at all, Billing makes successful boards and executives even more successful.”
Prof. Dr. Dennis Ostwald, CEO
WifOR-Institute (TU Berlin – TU Darmstadt)
“He succeeds in measurably improving his clients’ quality of performance.”
Prof. Dr. Reimund Schwarze
Helmholtz Center (UFZ), Leipzig
“Highest level of successful communication in change and crisis management.”
Prof. Dr. Jürgen Neuschwander
HTWG Konstanz - University of Applied Sciences
“Your crisis PR workshop was an absolutely worthwhile investment.
My employees have attained a high level of security.”
Gero Hesse, CEO Territory Embrace, Gruner & Jahr, Bertelsmann Corporation