NFON's management team.

Discover NFON AG's corporate management structure and get to know the experienced leaders who guide the company.

Patrik Heider, CEO.

"I would like to thank all our stakeholders for their part in ensuring NFON can push the envelope.

Our achievements so far are just a stepping stone to what's to come.

We're not resting on our laurels, but have ambitious plans to further scale our cloud communication solutions, extend our reach and deliver even more value to pan- European businesses.
The future of business communication is bright at NFON and we're looking forward to continuing to lead the way."

Andreas Wesselmann, CTO.

"This year is a landmark year for NFON as we're exploring exciting new possibilities in AI and seamless integrations, all aimed at transforming the way businesses connect to springboard into a new future where NFON is the leader of AI business communication solutions."

Our corporate governance structure.

Our Executive Board

Patrik Heider

Patrik Heider

Chief Executive Officer / Chief Financial Officer

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Patrik Heider

Patrik Heider

Chief Executive Officer / Chief Financial Officer

Patrik Heider started as CEO of NFON AG in June 2023. After studying business administration at the University of Applied Sciences in Constance, he started his professional career at PwC Consulting and subsequently served as CFO of the Hoffmann Group in Munich.

Before joining NFON, he was CEO of the software companies Thinkproject and riskmethods. Before that, he was responsible for the extremely successful development of Nemetschek SE as Spokesman of the Board and CFOO, and earned an excellent reputation in the international capital market. He is married and has 2 children.

Andreas Wesselmann

Andreas Wesselmann

Chief Technology Officer

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Andreas Wesselmann

Andreas Wesselmann

Chief Technology Officer

After graduating in mathematics and computer science, Andreas Wesselmann began his career at Germany’s largest software firm, SAP. Most recently, he was a member of the SAP Global Leadership team in the role of Senior Vice President, SAP HANA Database & Analytics.

With more than 20 years’ experience in an international working environment, he repeatedly demonstrated how to transfer innovation to scalable business models and further expand existing cloud software solutions reliably and cost-effectively. He orchestrated this transformation by actively involving executives and employees in shaping the future of the company and always combined a business approach with his passion for technology and innovation.

Our C-Level Management

Markus Krammer

Markus Krammer

Chief Product Officer

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Markus Krammer

Markus Krammer

Chief Product Officer

Markus is an international proven, experienced senior leader with a proven track record in product management, business transformation, merger & acquisitions and delivering successful go-to market strategies in the IT and telecommunications industry.

After establishing NFON’s nearshore center in Lisbon, Portugal, as managing director of NFON Developments Lda, Markus was promoted to the Chief Product Officer of NFON AG in July 2023.

Before joining NFON, Markus held key positions at Telefonica o2, British Telecom Global Services, and Telecom New Zealand, where he led B2B product, GTM and sales strategy initiatives.

Markus holds a Master's degree in Industrial Engineering and Management, which he obtained from FHM Munich and Helsinki University of Technology, Finland.

Our Supervisory Board

Günter Müller

Günter Müller

Deputy Chairman

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Günter Müller

Günter Müller

Deputy Chairman

Since 1979, Günter Müller has been Executive Chairman of ASC Technologies AG, a leading global software provider in the field of omni-channel recording, quality management and analytics. He is also Managing Director of Milestone Venture Capital GmbH.

He previously worked for Gasa Produktions GmbH, Eisenwerke Kaiserslautern and Bosch-Rexroth. Following his pre-IPO supervisory board memberships, he was reappointed to NFON's supervisory board in December 2019 and has since been its deputy chairman.

He has completed a part-time degree in business administration.

Rainer-Christian Koppitz

Rainer-Christian Koppitz

Chairman

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Rainer-Christian Koppitz

Rainer-Christian Koppitz

Chairman

Rainer Koppitz (nationality: German, *1968) can look back on many years of international experience in industry as well as in the IT and telecommunications sectors, during which he was CEO at NFON and B2X Care Solutions as well as CEO Germany & Austria of BT Germany (British Telecom), among others. In 2019, Rainer Koppitz joined KATEK SE as CEO and successfully took the company public in May 2021. Prior to that, he held CEO positions at Siemens, Dell as well as Atos. Rainer Koppitz was CEO of NFON AG from 1 September 2012 to January 2015. Since February 2015, Rainer Koppitz has been a member of the Supervisory Board of NFON AG, with a short interruption, and since May 2021 he has also been Chairman of the Supervisory Board of the listed CENIT AG.

Dr. Rupert Doehner

Dr. Rupert Doehner

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Dr. Rupert Doehner

Dr. Rupert Doehner

Dr. Rupert Doehner (nationality: German, *1971) studied law with additional training in economics at the universities of Bayreuth, Germany and Lausanne, Switzerland. After his second state examination, he worked as a research assistant at the chair of Prof. Dr. Emmerich in Bayreuth, where he also obtained his doctorate. He then began working as a lawyer at CMS Hasche Sigle. Dr Doehner then worked as in-house counsel for a real estate project developer. Since 2015, he has worked as a lawyer in his own firm and advises, among others, capital market-oriented, medium-sized companies on corporate and capital market law. In 2018, Dr Doehner was appointed as a member of the supervisory board of NFON AG.

Florian Schuhbauer

Florian Schuhbauer

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Florian Schuhbauer

Florian Schuhbauer

In 2014, Florian Schuhbauer (nationality: German, *1975) founded Active Ownership Capital S.à r.l., for which he is still Managing Director today. Previously, he was a partner at Triton Partners and General Capital Group, among others. In December 2019, Florian Schuhbauer was appointed to the Supervisory Board of NFON. Florian Schuhbauer holds a degree in Finance and Business Administration from the Frankfurt School of Finance and Management.

General Administration

Christian Oßwald

Christian Oßwald

General Counsel

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Christian Oßwald

Christian Oßwald

General Counsel

Christian has been working as an in-house counsel for more than 25 years. He has been General Counsel at NFON AG since 2015, where he was involved in several M&A and capital market transactions as well as the IPO. Christian sees himself as a legal generalist and covers the entire range of legal areas within the company. 

Before NFON, Christian worked for various tech companies - including some listed companies such as CPU Softwarehouse AG, ARQUES Industries AG, ADVA Optical Networking SE. He studied in Konstanz and Tübingen.

Friederike Thyssen

Friederike Thyssen

Vice President Investor Relations & Sustainability

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Friederike Thyssen

Friederike Thyssen

Vice President Investor Relations & Sustainability

Friederike is an experienced professional in investor relations, whose expertise includes corporate sustainability, capital markets, and stakeholder management. She has earned bachelor’s and master’s degrees in international business and management. 

After working as an Investor Relations Consultant at PvF Investor Relations, she joined Deutsche Bahn, where she spent nine years and advanced to Senior Public Affairs Officer, focusing on sustainability. She then worked as a Senior Consultant at Kirchhoff Consult AG. 

In 2023, Friederike joined NFON AG, where she currently serves as the Vice President of Investor Relations & Sustainability.

Thorsten Wehner

Thorsten Wehner

Vice President Public Relations

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Thorsten Wehner

Thorsten Wehner

Vice President Public Relations

Thorsten leads PR for NFON and all NFON subsidiaries. For over 30 years, he has been a company spokesperson, journalist and communications consultant. Thorsten began his career as a journalist for media outlets such as BILD, Gong Verlag, Sky Radio, Burda Verlag and many more.

Natalie Seiter

Natalie Seiter

Vice President People & Culture

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Natalie Seiter

Natalie Seiter

Vice President People & Culture

Natalie has a bachelor's degree in business and health economics and a master's in international management, with a focus on change management and project management.  

From 2012 to 2020, she worked in various HR roles. In 2020 she joined NFON, and in 2024 she was promoted to Vice President of People & Culture, where she leads HR strategies and works on creating a positive work environment.