New management team for our company
Holding Graz, Styria’s largest municipal service provider, is starting its next five-year management term with a newly appointed management team. On 1 January 2026, Dr Gert Heigl (Chairman of the Executive Board/CEO), Dipl.-Ing. Dr Alice Loidl (Executive Director of Infrastructure & Energy) and Mag. Mark Perz, M.A., MBA (Executive Director of Mobility & Leisure) took over the management of the group.
With this new composition, Holding Graz is sending a clear signal for continuity, competence and future-oriented development of the company, which employs around 3,200 people and provides key public services such as public transport, waste management, energy and water supply for the citizens of Graz.
The members of the Executive Board
Dr Gert Heigl – new Chairman of the Executive Board/CEO
Management & Investments Division
Gert Heigl has been managing director and member of the executive board of the Holding Graz Group for more than 20 years and has been responsible for major strategic infrastructure and energy projects in Graz, among other things. He has extensive management expertise in the field of municipal services. As Chairman of the Board, he heads the ‘Management & Investments’ division and has overall responsibility for the company as well as strategic management of all divisions and investments.
Dipl.-Ing. Dr. Alice Loidl – new Executive Director
Infrastructure & Energy Division
Alice Loidl brings many years of experience in the fields of waste management, environmental management, recycling and project development. She joined the Executive Board team on 1 January 2026 as a member of the Executive Board for the first time and assumes strategic responsibility for the ‘Infrastructure and Energy’ division, which includes the areas of water management, waste management, urban space, municipal workshops and customer management & sales. She has already made a significant contribution to the implementation of key projects such as the new, state-of-the-art Graz Resource Park and provides strategic support for major infrastructure projects such as the Graz Energy Plant.
Mag. Mark Perz, M.A., MBA – Executive Director
Mobility & Leisure Division
Mark Perz has decades of experience in the mobility and logistics sector, including in management positions at ÖBB and in international logistics. Under his leadership, Holding Graz Linien has developed successfully in recent years, for example by implementing measures to relieve traffic congestion in the city centre, purchasing new Flexity trams and taking the first steps towards decarbonising the bus fleet. Since 1 January, Mark Perz has also been responsible for the airport, which means that the holding company’s subsidiary is now part of the ‘Mobility & Leisure’ division.
Biographies of the individuals:
Mag. Dr. Gert Heigl (born 1964)
1991: Graduated with a degree in business administration from Karl-Franzens-Universität
1993: Doctorate in business administration from Karl-Franzens-Universität
1993-2003: Grazer Stadtwerke AG; various positions up to Deputy Head of Business Administration
2003-2016: Member of the Management Board of Energie Graz; Management Services, Customer & Connection Services, Sales & Marketing, Energy Trading
Since 2016: Member of the Executive Board of Holding Graz; Executive Director of the ‘Infrastructure & Energy’ division
Since 1 January 2026: Chairman of the Board/CEO of Holding Graz
Dipl.-Ing. Dr. Alice Loidl (born 1974)
1992-2000: Studied technical chemistry/biochemistry/biotechnology, Graz University of Technology
2000-2003: Doctoral studies in technical natural sciences, Graz University of Technology
2006-2009: Graz University of Technology; Vice-Rectorate, Project Manager, responsible for quality and process management
2009-2019: City of Graz; Deputy Head of the Environmental Office, Head of Waste Management Controlling
Since 2019: Holding Graz; Head of Waste Management, Managing Director of A.D. Bioerde GmbH
Since 1 January 2026: New Executive Director of the Infrastructure & Energy Division
Mag. Mark Perz, M.A. MBA (born 1979)
1998-2005: Studied Business Administration, Karl-Franzens-University
2006-2008: Part-time Master’s degree in Business Accounting and Auditing, FH Wiener Neustadt
2008-2010: Global Executive MBA Programme, Johannes Kepler University Business School
2012-2014: Member of the Management Board & Authorised Signatory, Rail Cargo Hungaria, Director of HR Management/Budapest
2015-2017: A.S.G. Unternehmensberatung GmbH, Senior Manager
2017-2018: Management, Imperial Logistic International, COO/Hungary
2018-2021: ÖBB Produktion GmbH, Management
Since 2021: Member of the Executive Board of Holding Graz; Executive Director of the ‘Mobility & Leisure’ division
Since 1 January 2026: Reappointed to the position of Executive Director of the ‘Mobility & Leisure’ division
About Holding Graz
Holding Graz is the largest subsidiary of the City of Graz and one of the key players in municipal services in Styria. With around 3,200 employees, the company covers a broad portfolio of services – from public transport and waste disposal to energy and water supply, as well as market-oriented investments such as Graz Airport, Citycom and Styria’s largest outdoor advertising company, Ankünder – thus ensuring that the population of Graz is provided with essential public services.
