The management team


Hans Szymanski

Chief Executive Officer

Since 2016 CEO & CFO of NFON AG, responsible for Strategy & M&A, Product Management, Finance, Controlling, Risk Management, Investor-/Public Relations, Legal & Compliance, HR, Facility-, Procurement- and Supply Chain Management. Hans Szymanski started his career at Klöckner & Co AG and was subsequently CFO of Commercial de Laminados-Konzern SA, Spain. Before joining NFON, he was CEO & CFO of Francotyp-Postalia Holding AG. Hans Szymanski holds an economics degree from Ruhr-University-Bochum.

César Flores Rodríguez

Chief Sales Office

Since 2018 CSO of NFON AG, responsible for Sales, International Business and Marketing. After his graduation César Flores Rodríguez started to work at Mercer Management Consulting (today Oliver Wyman). In 2000, César Flores Rodríguez was one of the founders of the CONJECT Group, where he worked until 2016. Before joining NFON, he was COO EMEA (Europe, Middle East and Africa) at Aconex Ltd. César Flores Rodríguez holds a double degree in International Management from the Reutlingen University, Germany and the Comillas Pontifical University (ICADE), Madrid, Spain.


Jan-Peter Koopmann

Chief Technology Officer

Since 2009 at NFON AG and since 2012 CTO, responsible for Research & Development, Technical Operations, Data protection, Support/Logistics, internal IT, Quality Assurance/Management as well as Technical Consulting. Jan-Peter Koopmann started his career as Member of the Management at reiss GmbH. As owner and managing director, Jan-Peter Koopmann founded Seceidos GmbH & Co. KG. Jan-Peter holds a degree in business IT from the Technical University Darmstadt, Germany.

Our Supervisory Board


Rainer-Christian Koppitz


He is currently CEO and Chairman of the Board of Katek SE Group, one of the leading German and European Electronics Manufacturers. Previously, he led the DACH business for BT and Dell's IT Services division in EMEA, among others. He was CEO of NFON from 2012 to 2015. In 2015, Rainer was appointed to NFON's Supervisory Board. Rainer graduated in 1990 with a degree in Business Administration from the Siemens University

Dr. Rupert Doehner

Deputy Chairman

Since 2015, he has worked as a partner and managing director at RECON Rechtsanwaltsgesellschaft GmbH and advised, amongst others, capital market orientated, mid-sized companies on company and capital market law. Rupert is also the managing director at LE Campus GmbH. In 2018, Rupert was appointed to the NFON supervisory board. Rupert studied law and economics at universities in Bayreuth, Germany and Lausanne, Switzerland.


Ralf Grüßhaber

Since 2017, he has been the managing director and CFO for think project! GmbH, an international software-as-a-service provider for cross-enterprise collaboration in the construction and engineering industry. Ralf has also acted as deputy chairman of the supervisory board of telegate AG since 2014. In 2018, he was appointed to the NFON supervisory board. Ralf earned a Master’s degree in business management from the Polytechnic University of Offenburg in Germany.

Angélique Werner

Since 2013, Angélique has worked as senior director of customer success at, an international provider of cloud computing solutions. At Salesforce, she advises large commercial customers in new technologies and digitalization on their way towards business transformation. Previously, she worked for Siemens Nixdorf in Taiwan and Sydney, Siemens Business Services, Atos and Logica/CGI. In 2018, she was appointed to the NFON supervisory board. Angélique earned a business management and computer science diploma at the Beuth University of Applied Sciences Berlin.