1. Company
  2. Management

»The development of technology fundamentally changes our habits of working and living . We will only be successful if we develop new concepts and adopt new approaches to construction.«

Rupprecht Rittweger


Managing Partner
Investa Holding GmbH
marketing, sales and business development

Rupprecht Rittweger is Managing Partner of Investa Holding GmbH and responsible for Marketing, Sales and Business Development. Rupprecht Rittweger founded the subsidiary e-shelter in 2000 which he has headed since its sale to the Japanese NTT Com in 2015. e-shelter designs, builds, and operates high-availability data centers, and owns Europe’s largest data center with a total space of 60,000 sqm located in Frankfurt. After receiving his degree in Economics from the University of Heidelberg, Rupprecht Rittweger worked for several years as an independent entrepreneur.


Managing Director
Investa Holding GmbH
finance, controlling, strategy

Dr. Bernd M. Spitz has been employed by Investa Holding GmbH as Managing director since 2007 and is responsible for finance and strategy. From 1998 to 2007  Dr. Spitz worked for the international management and technology consultancy Booz Allen Hamilton, most recently as a member of the company’s management. Prior to his employment with Booz Allen Hamilton, Dr. Spitz completed his studies with a MBA from the London Business School. From 1992 to 1996 Dr. Spitz held various positions with companies in the German brewery industry while writing his Ph.D. thesis at the Technical University of Munich at Weihenstephan where he had already completed his studies in engineering with the focus on brewery and beverage technology in 1991.

Dr. J. Chrstian Femerling

Managing Director
Investa Holding GmbH
human resources, compliance

Dr. J. Christian Femerling studied business management with a focus on logistics and technical informatics and obtained his doctorate from the Institute for Logistics at the University of Mannheim. After working in industrial and commercial enterprises, Dr. Demerling was appointed in 2000 to the Board of Management of SoLog. Solutions for Logistics AG. He has been the managing director of Investa Holding GmbH since 2007. In addition, Dr. Femerling is a member of the Bremen-based Bundesvereinigung Logistik (Federal Logistics Association) and the Real Estate Logistics platform of the Zentraler Immobilien Ausschuss (Central Real Estate Committee) in Berlin.


Managing Director
Investa Holding GmbH
institutional investment business

Rainer Thaler studied laws and business management at the Universities in Würzburg, Bonn, Berlin and WHU – Otto Beisheim School of Management in Vallendar. He has over 23 years of real estate experience and has been the managing director of Investa Holding GmbH since 2012 and Co-Founding Partner of Investa Capital Management. He is responsible for Investment and Asset Management. Previous role as Managing Director of GE Capital Real Estate Germany since 2006. Prior experience: member of the Management Committee and CIO for Corpus/Sireo Real Estate Asset Management. He previously worked in several leading functions for Deutsche Telekom Mr. Thaler has acquired/sold over EUR 6.0 billion of real estate and managed over EUR 18.0 billion of assets across Europe and run a debt portfolio of EUR 1.6 billon.