Kjell Fredrik Sjödin

Rockwood Holdings, Inc. operates as holding company with interest in manufacturing chemical products. The company was founded in September 2000 and is headquartered in Baton Rouge, LA.

PlayAd Media Group AB provides digital advertising solutions. It provides digital advertising solutions, including display, rich-media and video advertising across devices such as desktops, tablets, mobile devices, and smart televisions. Its flagship PlayAd, is a non-linear video ad format. The firm builds the independent ad network, consisting of sites, ranging from media houses Bonnier, MTG, Allers, as well as, smaller publishers. The company was founded by Patrik Mikael Andrén, Fredrik Johan Grahn, and Tom Niels Robert Sundvik in 2004 and is headquartered in Stockholm, Sweden.

Med Universe AB provides online social networking services for doctors. Its services include software as a service, insights over time and multi-channel usage. The company was founded by Anna Omstedt Lindgren and Anna Norin in 2009 and is headquartered in Stockholm, Sweden.

QSO Interferometer Systems AB develops, manufactures, and sells measurement systems. Its product, CWS, uses measurements of coherent and incoherent scattering of laser light that is ideal for in-line production process. The company was founded by Bengt-Göran Wallentin Rosén, Lars Birger Bååth, and Stefan Rosén and is headquartered in Halmstad, Sweden.