Klaus-Olaf Zehle

GroNova (Schweiz) AG provides management consultancy services. It engages in the hiring, placement, search, and screening of specialists and managerial staff with open-ended and fixed-term employment contracts. The company was founded in 1998 and is headquartered in Zug, Switzerland.

JOSEF MEYER Transport Technology AG specializes in the production of railway wagons, metal fabrications and containers, and ground support equipment such as boarding stairs, freight trailers, transfer transporters and also bogies, suspensions, wheels, bearings, and axles. JOSEF MEYER Transport Technology was founded in 1943 and is headquartered in Rheinfelden, Switzerland

Management Angels GmbH specializes in providing interim management personnel. It offers staffing solutions for filling in specialist and management level positions for temporary project assignments. Its services also include consulting, contract management, invoicing, and project management. The areas of expertise encompass automotive, services, energy, industry, information technology, life science, media, and telecommunications sectors. The company was founded by Thorsten Becker on August 1, 2000 and is headquartered in Hamburg, Germany.

Amaltheia GmbH (Amaltheia) is an independent private equity and venture capital firm headquartered in Potsdam, Germany. It was founded by Thorsten Becker in 2012.