“He succeeds in measurably improving his clients’ quality of performance.”
Prof. Dr. Reimund Schwarze
Helmholtz Center (UFZ), Leipzig
“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
"Selected by the
SÜDDEUTSCHE ZEITUNG
among Germany's
Presentation experts
for the SZ-Wissensforum"
“Highest level of successful communication in change and crisis management.”
Prof. Dr. Jürgen Neuschwander
HTWG Konstanz - University of Applied Sciences
“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)
"Selected by the
SÜDDEUTSCHE ZEITUNG
among Germany's
Presentation experts
for the SZ-Wissensforum"
“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
