Christian Vollmann

Spark Networks Services GmbH operates an online matchmaking service portal. It provides dating and matchmaking services based on personality test, analysis of user-profiles, and individual search patterns. The company was founded by Frank Biedka, Christian Vollmann, Kai Rieke, Lukas Brosseder, and David Khalil in November 2008 and is headquartered in Berlin, Germany.

Care.com, Inc. engages in the provision of family care services. It offers child care, adult, and senior care, pet care, and home care. The company was founded by Sheila Lirio Marcelo, Dave Krupinski, Donna Levin, and Zenobia Moochhala in 2006 and is headquartered in Austin, TX.

Good Hood GmbH engages in the development and operation of social neighborhood networks. The company was founded by Till Behnke, Ina Remmers, and Christian Vollmann and is headquartered in Berlin, Germany.

PropTech1 Management GmbH (PropTech1 Ventures) is an independent venture capital firm founded in 2017 by Marius Marschall von Bieberstein and the COOPERATIVA Venture Group (Cooperativa Venture Services GmbH). The firm is headquartered in Berlin, with additional offices in Munich, Zurich, and London.

C1 Green Chemicals AG develops climate-friendly chemical production processes through computer simulation. The company is based in Berlin, Germany. The German company was founded by Christian Vollmann, who has been the CEO since incorporation.

Allego BV provides charging solutions and Electric Vehicle (EV) cloud services. The EV cloud services platform supports all charging infrastructure: at home, at work and on-the-go. The company was founded in 2013 and is headquartered in Arnhem, the Netherlands.