Senior Management

Adrian Humbel, Chief Executive Officer

Adrian Humbel is the CEO at SwissSign AG, a wholly owned Swiss Post company.

Prior to coming to SwissSign, he was CTO EMEA for identity and security at Novell Europe and director of the Swiss Novell subsidiary in Zurich for five years.

Adrian studied management and IT at the University of St.Gallen and holds a Masters degree in economics from this institution.

Freddy Kaiser, Chief Technology Officer

As CTO at SwissSign, a subsidiary of the Swiss Post, Freddy Kaiser is responsible for defining and directing the implementation of the SwissSign technology strategy.

Freddy brings many years of experience in the conception and implementation of complex customer solutions in the areas of identity and security to SwissSign. Freddy was previously a senior identity and security architect for a leading Software company, where he was involved in major identity projects for EMEA in recent years.

Today he lives in Sion and holds a degree in business IT from the ESIS Sierre, Switzerland. 

Christoph Graf, Chief Operation Officer

As COO at SwissSign, a subsidiary of the Swiss Post, Christoph Graf is responsible for the operation and future development of SwissSign systems.

Before coming to SwissSign, Christoph was head of IT PKI at DCL Data Care AG in Kriens, Switzerland. In this position, he was responsible for the operation and future development of the PKI infrastructure. Prior to that, Christoph was an application developer at DCL Data Care AG.

Today he lives in Luzern and holds a degree as an IT technician. He is currently working on his Masters in advanced studies in information security at the HSW Luzern.

Reto Zwyssig, Head Sales & Marketing

Reto and his team is responsible for Sales and Marketing at SwissSign.

With more than ten years of experience in various function within sales and marketing at a leading US security and identity vendor, Reto Zwyssig has indepth knowledge of the requirements and needs of the IT market. Previously, he led for several years international IT projects at Mettler Toledo.

Reto lives with his family in Schwerzenbach and owns a degree as lic. oec. HSG.

Michael Doujak, Head Consulting & Security 

Michael Doujak and his team support customers in building solutions with the products from SwissSign. He is responsible for the internal security within SwissSign.

Michael Doujak has specialized on IT Security for more than 10 years. During this time he worked in the financial industry both national and internationally and later also in the insurance business. The last few year the topics PKI, Identity Management and certification became the main focus of his professional career.