Management Board
Christian Hillabrant
Jean-Claude Geha
Christian Hillabrant
Jean-Claude Geha
Jean-Claude Geha appointed as Chief Technology Officer, part of Executive Committee of Vantage Towers, effective March 2024. With over three decades of experience in the technology industry, Jean-Claude is a seasoned leader who has held senior positions at renowned companies such as Deutsche Telecom, Ericsson, TeliaSonera, Bell Canada, and MCI.
Jean-Claude's extensive expertise spans technology, operations, sales, product management, and development, and he has worked across Europe, the US, the Middle East, and Africa. He joins Vantage Towers from French IT service provider ATOS, where he served as Senior Vice President, Global Head of Telecom, Media, and Technology Industry. He holds a Master of Telecommunications Management from the Southern Methodist University in Texas and a BS in Electrical Engineering from the University of Maryland. Additionally, he has acquired specialized diplomas in Strategic Learning for Executives from Columbia University, Finance for Executives from INSEAD, and Digital Transformation from MIT Sloan School of Management.
Christian Hillabrant
Jean-Claude Geha
Christian Hillabrant
Jean-Claude Geha
Jean-Claude Geha appointed as Chief Technology Officer, part of Executive Committee of Vantage Towers, effective March 2024. With over three decades of experience in the technology industry, Jean-Claude is a seasoned leader who has held senior positions at renowned companies such as Deutsche Telecom, Ericsson, TeliaSonera, Bell Canada, and MCI.
Jean-Claude's extensive expertise spans technology, operations, sales, product management, and development, and he has worked across Europe, the US, the Middle East, and Africa. He joins Vantage Towers from French IT service provider ATOS, where he served as Senior Vice President, Global Head of Telecom, Media, and Technology Industry. He holds a Master of Telecommunications Management from the Southern Methodist University in Texas and a BS in Electrical Engineering from the University of Maryland. Additionally, he has acquired specialized diplomas in Strategic Learning for Executives from Columbia University, Finance for Executives from INSEAD, and Digital Transformation from MIT Sloan School of Management.
Executive Committee
Sonia Hernandez
Leigh Ann Schell
Tobias Steinig
Sonia Hernandez
Sonia Hernandez joined the Executive Committee of Vantage Towers as Chief Commercial Officer in April 2020, following two years as CEO of Vodafone Malta. While in this previous role, Sonia oversaw the sale of Vodafone Malta to Monaco Telecom.
Prior to this, Sonia held senior supply chain and commercial positions at Vodafone, firstly as Head of Group Supply Chain Radio Access (2012-2015) and then as Head of Group Supply Chain Commercial Services (2015-2018) and member of the Board of Vodafone Procurement Company.
Sonia’s extensive international leadership experience in the telecoms industry stretches back to before her time at Vodafone, having held various senior Human Resources and Sales positions at Nokia Siemens Networks between 1997 and 2012.
Sonia has also been a Board member of Kabel Deutschland and Vodafone Germany since 2016, and, in 2020, she also joined the Board of INWIT.
Sonia studied at the Universidad Politecnica de Madrid and the Darmstadt Elektrotechnik Fachhochschule.
Leigh Ann Schell
Leigh Ann Schell brings over 20 years of global HR leadership to her role as Chief Human Resources Officer at Vantage Towers. Beginning her career at Halliburton Energy Services, Leigh Ann has cultivated extensive experience in building and developing teams and HR processes on a global scale. She led teams across America, EMEA, and APAC, including notable roles at Evoque Cyxtera, Ericsson, and Abercrombie & Fitch, culminating her most recent position as Chief Human Resources Officer at NextEdge, an infrastructure company in North America
Leigh Ann holds a degree in Art History from the American University Singapore. With a track record spanning technology, retail, and infrastructure sectors, she excels in driving strategic HR initiatives such as large-scale organizational change, M&A integration, leadership development, and talent management.
Tobias Steinig
Since joining Vantage Towers in February 2024, Tobias Steinig has spearheaded the company's digital transformation strategy as Group Chief Digital Officer (Group CDO) and member of the Executive Committee. Tobias is dedicated to optimizing the IT Environment and driving an integrated, forward-thinking approach to digitalization as well as the Corporate Transformation across Vantage Towers.
Prior to his current role, Tobias served as Managing Director & Senior Vice President of Global IT Infrastructure & Operations at Dekra SE, where he championed the global standardization and harmonization of IT systems. His extensive experience in digital operations also includes leadership positions at VOITH Robotics and KUKA. An Executive MBA from St. Gallen Business School & SRH University Berlin, Tobias brings a wealth of expertise in digital transformation and operational excellence.
Andrea Weber
Andrea Weber
Andrea Weber serves as Chief Legal Officer (Interim) and member of the Executive Committee of Vantage Towers AG since November 2023. She is responsible for all legal matters of Vantage Towers, including compliance, corporate and external affairs. She previously worked both as a lawyer and in senior positions as corporate counsel, working for Vodafone among others. At Vantage Towers she most recently held the role of Legal Director. Andrea studied law at Saarland University. In addition to two German state law exams, she holds a Master of Law (LL.M.) from Humboldt University in Berlin and an LL.M. from Albany Law School. Andrea is admitted to the bar in Germany and in the USA/New York.
Sonia Hernandez
Leigh Ann Schell
Sonia Hernandez
Sonia Hernandez joined the Executive Committee of Vantage Towers as Chief Commercial Officer in April 2020, following two years as CEO of Vodafone Malta. While in this previous role, Sonia oversaw the sale of Vodafone Malta to Monaco Telecom.
Prior to this, Sonia held senior supply chain and commercial positions at Vodafone, firstly as Head of Group Supply Chain Radio Access (2012-2015) and then as Head of Group Supply Chain Commercial Services (2015-2018) and member of the Board of Vodafone Procurement Company.
Sonia’s extensive international leadership experience in the telecoms industry stretches back to before her time at Vodafone, having held various senior Human Resources and Sales positions at Nokia Siemens Networks between 1997 and 2012.
Sonia has also been a Board member of Kabel Deutschland and Vodafone Germany since 2016, and, in 2020, she also joined the Board of INWIT.
Sonia studied at the Universidad Politecnica de Madrid and the Darmstadt Elektrotechnik Fachhochschule.
Leigh Ann Schell
Leigh Ann Schell brings over 20 years of global HR leadership to her role as Chief Human Resources Officer at Vantage Towers. Beginning her career at Halliburton Energy Services, Leigh Ann has cultivated extensive experience in building and developing teams and HR processes on a global scale. She led teams across America, EMEA, and APAC, including notable roles at Evoque Cyxtera, Ericsson, and Abercrombie & Fitch, culminating her most recent position as Chief Human Resources Officer at NextEdge, an infrastructure company in North America
Leigh Ann holds a degree in Art History from the American University Singapore. With a track record spanning technology, retail, and infrastructure sectors, she excels in driving strategic HR initiatives such as large-scale organizational change, M&A integration, leadership development, and talent management.
Tobias Steinig
Andrea Weber
Tobias Steinig
Since joining Vantage Towers in February 2024, Tobias Steinig has spearheaded the company's digital transformation strategy as Group Chief Digital Officer (Group CDO) and member of the Executive Committee. Tobias is dedicated to optimizing the IT Environment and driving an integrated, forward-thinking approach to digitalization as well as the Corporate Transformation across Vantage Towers.
Prior to his current role, Tobias served as Managing Director & Senior Vice President of Global IT Infrastructure & Operations at Dekra SE, where he championed the global standardization and harmonization of IT systems. His extensive experience in digital operations also includes leadership positions at VOITH Robotics and KUKA. An Executive MBA from St. Gallen Business School & SRH University Berlin, Tobias brings a wealth of expertise in digital transformation and operational excellence.
Andrea Weber
Andrea Weber serves as Chief Legal Officer (Interim) and member of the Executive Committee of Vantage Towers AG since November 2023. She is responsible for all legal matters of Vantage Towers, including compliance, corporate and external affairs. She previously worked both as a lawyer and in senior positions as corporate counsel, working for Vodafone among others. At Vantage Towers she most recently held the role of Legal Director. Andrea studied law at Saarland University. In addition to two German state law exams, she holds a Master of Law (LL.M.) from Humboldt University in Berlin and an LL.M. from Albany Law School. Andrea is admitted to the bar in Germany and in the USA/New York.