Ingo Hartlief


Ingo Hartlief (born 1965) was appointed as the company’s Chief Executive Officer (CEO) as of 15 January 2019. He has been Langen-based DEMIRE Deutsche Mittelstand Real Estate AG’s CEO since 20 December 2018. The business administration graduate was Managing Director of CORPUS SIREO Real Estate GmbH in Cologne from 2010 to 2017. From 2002 to 2010, Mr. Hartlief worked for Union Investment Real Estate GmbH in Hamburg as managing director. He worked at Viterra AG (today Vonovia SE) in Essen/Bochum from 1996 to 2002 as division manager and managing director of Viterra Gewerbeimmobilien GmbH. From 1991 to 1996, Mr. Hartlief was involved in corporate development at VEBA AG in Düsseldorf. Ingo Hartlief is a Fellow of the Royal Institution of Chartered Surveyors (FRICS). 



Stefan Herb

(Member of Management Board)

Stefan Herb (born 1963) has been appointed as a member of the company’s Management Board (CFO) as of 1 March 2018. He has been a Prokurist (authorised signatory) with DEMIRE Deutsche Mittelstand Real Estate AG and managing director of the subsidiaries DIM GmbH (property management) and PRAEDIA GmbH (facility management) since October 2017. Mr. Herb has been a registered lawyer for more than 20 years, focusing on investment, company and tax law. He also holds a degree in business administration (Regensburg University). Through to September 2017 Mr. Herb was the Senior Portfolio Manager with Arbireo Capital AG (Dr. Lübke & Kelber Gruppe), responsible for setting up new products. At Deka Immobilien Investment GmbH, Frankfurt/Main he was responsible for individual funds as the Head of Fund Management from 2007 to 2014, in particular from 2010 on as the managing director of a GmbH and Board Member of an equity participation in two international institutional investment funds. His career also includes fund management activities with REAL I.S., IC Immobilien Gruppe and Deutsche Bank, all in Munich. In particular, Mr. Herb has specialist knowledge in business development, structuring investments and transaction management.

Frank Hölzle

(Chairman of the Supervisory Board)

Frank Hölzle (born 1968) has a degree in economics (Diplom-Volkswirt) and is CEO of Care4 AG with registered offices in Basel, Switzerland. After completing his studies in economics at the University of Freiburg, Frank Hölzle acted as authorized signatory and general manager for a listed investment company in Marl and Frankfurt am Main from 1998 to 2002. In 2002, he became general manager of HvM-Consulting GmbH with registered offices in Düsseldorf. From 2003 to 2010, Mr. Hölzle was board member and partner of eCapital entrepreneurial Partners AG, a venture capital company with registered offices in Münster. In 2010, he joined Care4 AG, a Single Family Office in Basel, of which he has been CEO since 2015. Frank Hölzle holds other mandates with the supervisory boards of DEMIRE Deutsche Mittelstands Real Estate AG, Westgrund AG and MobileObjects AG as well as with the administrative board of SlCinvent AG with registered offices in Basel, Switzerland. Mr. Hölzle is a trained coach for managing directors, board members and managers of small and medium-sized enterprises.



Dr. Thomas Wetzel

(Deputy Chairman of the Supervisory Board)

Dr. Thomas Wetzel (born 1956) has been a partner at the law firm Wenger Plattner in Zurich and a certified specialist in SBA Real Estate and Construction Law since 2003. From 1988 until 1997, he worked at Intershop Holding AG in Zurich, latterly as deputy chairman of the management board. He advises clients on legal matters within private and public construction law as well as on purchases and sales of real estate. During his many years on the administrative board of Swiss Prime Site AG and as chairman of the investment committee of the AFIAA Foundation for International Real Estate Investments, he shared responsibility for important real estate portfolios. Dr. Thomas Wetzel is also a lecturer at the CUREM (Center for Urban & Real Estate Management, Zurich) at the Institute for Banking and Finance at the University of Zurich.

Daniel Zimmer

(Supervisory Board)

Daniel Zimmer (born 1977) has been head of legal for Consus Real Estate AG since August 2018. As from July 2015 until July 2018 he was legal counsel at DEMIRE Deutsche Mittelstand Real Estate AG. Following his second state examination in law in March 2007 at the “Johann Wolfgang Goethe University” in Frankfurt am Main, Mr. Zimmer completed his studies majoring in civil law, contract law, economic law as well as commercial and corporate law. From 2007 to 2010, he worked as an attorney for PricewaterhouseCoopers AG in Frankfurt am Main in the area of financial services. From 2011 to 2015, Mr. Zimmer moved to the legal department’s banking and capital markets law division of Norddeutsche Landesbank in Hanover. Mr. Zimmer is especially familiar with banking and capital markets law, corporate law as well as contractual documentation of the national and international lending business.

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