Marcel Hollerbach

Cavalry Ventures Management GmbH (Cavalry) is a venture capital firm founded in 2015 by Rouven Dresselhaus. The firm is headquartered in Berlin, Germany.

Productsup Holding SE provides investment services. The private company is based in Berlin, Germany. The CEOs are Johannis Hatt, Kai Martin Seefeldt. The German company was founded in 2016.

Products Up GmbH provides web-page design and programming solutions services. The firm provides solutions for e-commerce merchants, marketing agencies and data aggregators. The firm provides unique ID generation, category ID generation and data crawler services. The company was founded by Johannis Hatt and Kai Martin Seefeldt in 2010 and is headquartered in Simmelsdorf, Germany.

hiClip GmbH is engaged in video networking and media development operations. The firm provides online communities and social networks with technology platforms for content upload, user video management, and webcam reception applications. It also offers web hosting, content licensing, and channel management services covering categories such as sports, music, travel, and lifestyle programs. The company was founded in 2006 and is headquartered in Munich, Germany.

youmix GmbH provides platform working as an intermediary among artists, music business and consumers. It operates a social networking web site for musicians and fans. The company's site allows site visitors to listen to music, watch videos uploaded by bands, and add songs to their personal play list. The company is headquartered in Berlin, Germany