CEO and Partner

Mag. Michael Berthold, CEO and Founder
Michael Berthold is the founder and visionary of HCM ADVICE. His many years of experience in SAP HCM consulting, as a personnel manager, and his years in classic corporate consulting, as an interim manager and corporate finance advisor characterize his wealth of experience.

Dipl.-Ing. Rejo Alappat, Partner
Rejo Alappat is a partner at HCM ADVICE and the driving force behind the development of the SIMPLERIX apps. As the first employee, he has helped to build up the company from day one and has more than 15 years of consulting experience in international SAP SuccessFactors and SAP HCM projects.

Christian Ess, MSc., Partner
Christian Ess is a partner at HCM ADVICE, as well as the manager of the Munich office. He combines his deep understanding for business processes with sound IT expertise. He looks back on over 15 years of international consulting experience in the area of SAP HCM and SAP SuccessFactors.