David is the founder and CEO of SWING Software, one of the first Croatian software companies with worldwide distribution; SWING's products are being used in over 60 countries. The company has won the Apex Award by the US publishing company Penton Media, as well as the Croatian Prime Minister's Web Award and the Vidi e-Novation award.

Before SWING software, David has co-founded SWING Informatika, where as the CTO he was working on a number of projects, business applications, collaboration solutions and the first Croatian CRM software.