Executive team & Board of directors

Executive team


Alex Bristol (CEO)

Alex Bristol, who is a Swiss-British dual national, earned a Bachelor’s degree from the University of Exeter and completed the Advanced Management Programme of INSEAD Fontainebleau and Singapore. From 1992 onwards he held various functions with NATS (the UK’s air navigation services provider) including air traffic controller, Head of Operations and ultimately Head of Development & Investment Strategy. He joined skyguide as Chief Operating Officer and a member of the Executive Board in 2011, and became CEO in July 2017.


Klaus Affholderbach (Safety, Security, Quality)

Klaus Affholderbach is a Doctor of Science and previously worked and conducted research at CERN. Since joining skyguide in 2001 he has held various functions including Head of Air Traffic Management Geneva, Head of International Airports (i.e. Zurich and Geneva) and latterly Head of the Virtual Centre with responsibility for all upper airspace. He joined the Executive Board as Head of Safety, Security, Quality at the beginning of 2018.


Götz Ardey (Business Development)

Götz Ardey has been with skyguide since 2012, most recently as Head of the Communication, Navigation and Surveillance Division. Prior to this, Ardey, who holds a doctorate in engineering and an additional master’s degree in business administration, spent ten years with the Lufthansa Group in various roles. Götz Ardey has joined the Executive Board as Chief Business Development Officer at the beginning of December 2019.


Hans Bracher (Human Resources)

Hans Bracher, who is a qualified attorney, can draw on over 20 years of experience as an HR specialist. He assumed his duties as skyguide’s Head of Human Resources in 2012. Prior to this, he had been Head of Corporate Human Resources and a member of the Group Executive Board of RUAG Holding AG. He also held various functions during many years with Ascom, ultimately serving as Head of Corporate Human Resources and a member of the Extended Executive Board. He joined the Executive Board in January 2015.


Peter Dietrich (Legal)

Peter Dietrich is a lawyer and holds an LL.M. in international business law. He has held various positions as a lawyer in courts, a cantonal department and in industry. He was CEO of Swissmem – the Swiss Industry Association – for 10 years. He then worked for two years as a consultant for a consulting company, for which he accompanied companies and their managers in change processes. He is skyguide’s General Counsel and Head of Legal & Compliance since December 1, 2019.


Myriam Käser (Communications, Public Affairs, Environment)

Myriam Käser studied political science, international law and Arab studies in Switzerland, the US, the UK, France and Egypt. She has worked as a journalist and editor and as a consultant for branding, PR and public affairs. From 2015 onwards she served as Head of Communications and member of the Extended Management Board of the NZZ Media Group. She joined skyguide as Chief Communications Officer and member of the Executive Board at the beginning of 2018.


Urs Lauener (Operations)

Urs Lauener was trained as an air traffic controller and worked as a process expert for skyguide before moving to the Swiss Federal Office of Civil Aviation (FOCA) as an air navigation services specialist. He returned to skyguide in 2003 and went on to hold a number of management roles in both military and civil air traffic management. He holds an Executive MBA and an Advanced Certificate in Aviation & Aerospace from HEC Paris. He has been Chief Operating Officer and a member of the Executive Board since July 2017.


Nicole Leyre (Finance & Services)

Nicole Leyre spent 14 years with Schneider Electric in various management capacities. She then served for more than ten years as Chief Financial Officer and a member of the Executive Board of KBA-NotaSys, where she also bore responsibility for IT, human resources and facility management. She joined skyguide as CFO and a member of the Executive Board in July 2018.


Klaus Meier (Engineering & Technology)

Klaus Meier has been skyguide’s Chief Technology Officer (CTO) and a member of the Executive Board since 2014 and Deputy CEO since the beginning of 2020. He previously served as CIO Americas for the Schindler corporation, based in the USA. He is also well familiar with the aviation world through his years with Swissair, where he promoted process enhancements and technological innovation in various executive capacities. He holds a doctorate in electrical engineering from Zurich’s ETH.



Board of Directors


Walter T. Vogel (since 2015)

Walter T. Vogel holds a degree in mechanical engineering from the ETH Zurich and business administration qualifications from the University of St. Gallen and INSEAD Fontainebleau. He most recently served for eight years as CEO and later as Chairman of the Board of the Aebi-Schmidt Group. He is Chairman of the Skyguide Board of Directors, chairs the Board’s Compensation & Nominations Committee and is a member of its Finance & Audit Committee. He is also Chairman of the Board of Directors of St. Gallen-Appenzell Power Stations, a member of the Board of Directors of Kardex and a member of the Central Committee of the Aero Club of Switzerland.


Anne Bobillier (since 2014)

Anne Bobillier holds a Master’s degree in computer sciences from the University of Geneva. Until the end of 2020, she was Corporate Project Manager at Bechtle Holding Schweiz AG, and previously served in further executive functions at various well-known companies. She was elected to the Skyguide Board of Directors in 2014 and since 2021 she has been Vice Chairwoman of the Board of Directors. She chairs the Board’s “Projects” Committee and is a member of its “Safety & Security” Committee.  Furthermore, she holds the following mandates: member of the Boards of Directors of Rolex SA, Romande Energie Holding, Romande Energie SA, SkySoft-ATM and the Franco-Swiss Chamber of Commerce & Industry and is a Board Member of the SwissBoardForum.


Doris Barnert (since 2020)

Doris Barnert holds an Executive MBA from the University of St. Gallen (HSG) and a Master of Advanced Studies in Corporate Finance from the Institute of Financial Services (IFZ) at the University of Lucerne. She has been active in her role as Head of Finance and Head of Corporate Services at the national grid company Swissgrid since 2017. Prior to this she worked for Solothurner Spitäler AG and in various functions for SBB AG, the Swiss Federal Railways. She was elected to the Board of Directors in 2020 and chairs the Finance & Audit Committee.


Cristina Feistmann (since 2015)

Cristina Feistmann is an attorney with a Master’s degree in law from the University of Zurich and an Executive M.B.L. from the University of St. Gallen. After a number of years in the legal environement, she entered the aviation sector in 1998 – initially joining the Swissair Group, and later becoming Group General Counsel to Swissport. In 2007 she moved into insurance, where she is currently Company Secretary of Swiss Re. She was elected to the Skyguide Board of Directors in 2015. She is Chairwoman of the “Safety & Security” Committee and a member of the “Compensation & Nomination” Committee. She is also a trustee of the Swissair Staff Foundation for Children in Need.


Dominik Hänggi (since 2015)

Dominik Hänggi joined skyguide’s predecessor in 1988, and currently serves as a Geneva-based air traffic controller/watch supervisor. He was Deputy President of the Association du Personnel de la Tour de Contrôle (APTC), an air traffic controllers’ union. He was elected to serve as the employees’ representative on the Skyguide Board of Directors in 2015. Dominik Hänggi is a member of the “Projects” and “Safety & Security” Committees.


Aldo C. Schellenberg (since 2021)

Aldo C. Schellenberg holds a doctorate in economics from the University of Zurich and a postgraduate degree in business law from the University of Bern. He held various positions in the Swiss Armed Forces, most recently as Corps Commander Deputy Chief of the Armed Forces and Chief of Operations Command, until he retired at the end of 2020. He continues to work as a management consultant. In 2021, he was elected to the Board of Directors of Skyguide and is a member of the “Compensation & Nomination” and “Finance & Audit” committees.


Res Schmid (since 2017)

Res Schmid is a Government Councilor for Canton Nidwalden. He spent over 20 years with armasuisse and the Swiss Air Force as a military and test pilot, rising to chief test pilot and project manager on the partial replacement of the F5-E Tiger. He was elected to the Skyguide Board of Directors in 2017 where he is a member of the Safety & Security and Projects Committees. Furthermore, he holds the following mandates: Chairman of the Board of Bergbahnen Beckenried-Emmetten and of INSILVA AG as well as Chairman of the Commission of the Federal Youth Surveys ch-x, Member of the Board of Trustees of the Schindler Cultural Foundation and the Winkelriedhaus Foundation.