Dr. Moritz Lechner, Swiss national, born in 1969
Moritz Lechner is one of the two founders and Co-Chairman of the Board of Directors of Sensirion Holding AG and a member of the Nomination and Compensation Committee. He has been a member of the Board of Directors, acting as Chairman or Vice-Chairman, since the incorporation of Sensirion in 1998. Until June 2016, he served as Co-CEO of the Company together with Felix Mayer. Mr. Lechner has received numerous entrepreneurial awards. Currently, he serves on the Board of Directors of Dectris AG, as well as 3db Access AG and IRsweep AG. Mr. Lechner worked in the fields of microelectronics and detector technology research at the Swiss Federal Institute of Technology (ETH Zurich) and the Paul Scherrer Institute, and studied Physics at ETH Zurich, from which he also received his PhD in Microelectronics and Detector Technology.

Dr. Felix Mayer, Swiss national, born in 1965
Felix Mayer is one of the two founders and Co-Chairman of the Board of Directors of Sensirion Holding AG and Chairman of the Nomination and Compensation Committee. He has been a member of the Board of Directors, acting as Chairman or Vice-Chairman, since the incorporation of Sensirion in 1998. Until June 2016, he served as Co-CEO of the Company together with Moritz Lechner. Mr. Mayer worked at Siemens for five years and conducted research in the area of microtechnology at the Swiss Federal Institute of Technology (ETH Zurich) for four years. He is a recipient of numerous entrepreneurial awards. Currently, Mr. Mayer serves on the Board of Directors of Avantama AG, Optotune AG, and Luma Beef AG. He studied Physics at ETH Zurich, from which he also received his PhD in Physics.

Ricarda Demarmels, Swiss national, born in 1979
Ricarda Demarmels has been a non-executive member of the Board of Directors of Sensirion Holding AG since 2018. She serves as Chairwoman of the Audit Committee and is a member of the Independent Directors’ Committee. Prior to joining the Board of Directors, she held various positions and as of June 2019 she will be the new CFO and a member of the Group Management of the Emmi Group. Between 2015 and 2018, Ms. Demarmels served as CFO and member of the Management Board at Orior AG. From 2009 until 2014, she worked for Capvis Equity Partners AG, where she was in charge of various acquisitions and divestitures and supported the strategic development of portfolio companies. From 2005 to 2009, Ms. Demarmels led various strategy, M&A, and integration projects for Oliver Wyman, a global management consulting firm. She studied Finance and Accounting at the University of St. Gallen and holds a Master's degree in Business Administration from the University of St. Gallen (lic.oec. HSG).

Heinrich Fischer, Swiss national, born in 1950
Heinrich Fischer has been a non-executive member of the Board of Directors of Sensirion Holding AG since 2011. He serves as Chairman of the Independent Directors’ Committee and Lead Independent Director and is a member of the Audit Committee and the Nomination and Compensation Committee. Prior to joining the Board of Directors, he was CEO of the Saurer Group for eleven years until 2007. Prior to that, he was Head of Plant Engineering for optics and microelectronics at Oerlikon Balzers Coating AG for ten years and a member of the Group Management of the Oerlikon-Bührle Group for six years. Between 2012 and 2017, Mr. Fischer served on the Board of Directors of Orell Füssli Holding AG (as Chairman of the Board), as well as on the Board of Directors of SWH Inc. He also served on the Board of Directors of Schweiter Technologies AG between 2004 and 2012. Mr. Fischer is the Co-Founder of ISE AG, where he was Chairman of the Board of Directors from 1993 to 2005. Currently, Mr. Fischer serves on the Board of Directors of Hilti AG (Chairman of the Board), Tecan Group AG (Vice-Chairman of the Board), and CAMOX Fund. He received a Master's degree in Applied Physics and Electrical Engineering from the Swiss Federal Institute of Technology (ETH Zurich) and an MBA from the University of Zurich.

François Gabella, Swiss national, born in 1958
François Gabella has been a non-executive member of the Board of Directors of Sensirion Holding since 2019 and serves as a member of the Independent Directors’ Committee. Prior to joining the Board of Directors, Mr. Gabella served as CEO of LEM Holding AG for eight years until 2018. Between 2006 and 2010, he was a member of the Metrology Executive Board and CEO of TESA AG at Hexagon Metrology, Sweden. Prior to that, Mr. Gabella served as Senior Vice President, Power Transmission & Distribution Division, at ARVEDA T&D for three years. From 1999 until 2001, he served as Group CEO of a portfolio company at Texas Pacific Group, USA. Prior to that, Mr. Gabella held various positions in the ABB Group. Currently, Mr. Gabella serves on the Board of Directors of Winterthur Instruments AG (Chairman of the Board), Fischer Connectors AG, LEM Holding AG, Optotune AG and Sonceboz AG. He is Vice President of Swissmem and a member of the Advisory Board of Switzerland Global Enterprise. Mr. Gabella received a Master’s degree in Micro-Engineering from Ecole Polytechnique Fédérale de Lausanne (EPFL) and an MBA from IMD Lausanne.

Franz Studer, Swiss national, born in 1965
Franz Studer has been a non-executive member of the Board of Directors of Sensirion Holding since 2019 and serves as a member of the Audit Committee. Since 2012, Mr. Studer serves as Investment Director and Member of the Executive Committee of EGS Beteiligungen AG. In 2010 and 2011, he was CEO/COO of aizo group. Prior to that, for more than ten years, Mr. Studer held various management positions at Bühler AG, including Commercial Director, Vice President, Engineered Products. From 1994 until 1999, he served as attorney at a law firm in Zurich. Currently, Mr. Studer serves on the Board of Directors of FAES AG (Chairman of the Board), Kantonsspital Winterthur (Chairman of the Board), and HUBER + SUHNER AG. Mr. Studer received both a Master’s and PhD degree from the Faculty of Law, University of Zurich, bar admission from the Canton of Zurich, and an Executive MBA from the University of St. Gallen.