Frank Karlitschek is a long-time open source contributor and former board member of the KDE e.V. He managed engineering teams for over 10 years, and worked as head of a unit, and managing director at different Internet companies. Since 2007, he is heading a startup which develops social networking and e-commerce products for several fortune 500 companies. In 2010, he started the ownCloud project and is leading the community project since then. In 2011, he founded ownCloud Inc. together with Markus Rex and Holger Dyroff from SUSE to offer commercial services around ownCloud.
ADEOTI Olusola Adekunle is studying computer science and engineering at Crown Polytechnic, Ado Ekiti, and Nigeria. He has experience in web development and maintenance.
He is the CEO of ADAD Technologies, the owners of www.onthirdplanetsms.com, which is a bulk SMS website, and the owner of www.onthirdplanet.com, that is a tech blog. He has also worked on the Monetizing Your Hobbies book.
Jos Poortvliet has been a Free Software evangelist for over 10 years, and had been involved in a variety of communities. He has been active as marketing team lead in the KDE community, coordinating marketing activities, and taking care of press and promo for the cross-project Gran Canaria and Berlin Desktop Summits, and several academy conferences. He currently works for SUSE Linux as community manager, handling communication around the openSUSE community, and taking care of merchandising and event management.
You can find out what he's up to at his blog on jospoortvliet.com.