2005(09) – 2006(08)       Software Architect; Unilink Warszawa sp. z o o. (Warszawa, Poland)
1994(06) – 2004(06)       Director; MACOMP Software – a software consultancy firm, Sydney, Australia
1997(07) – 2002(08)       Consultant; Australian Independent Media Pty Ltd and later ACNielsen (Nielsen Media Research) – a VNU company (Sydney, Australia)

Consulted to companies and institutes in U.S.A., Europe, Asia, and Australia, including (in chronological order):

  • Andersen Consulting in Chicago
  • Italian Research Council
  • IBM Research Centres in San Jose and Yorktown Heights
  • International Development Program of Australian Universities and Colleges
  • BHP Steel, Wollongong, Australia
  • Roads and Traffic Authority, Sydney, Australia
  • Research Institute for Applied Knowledge Processing in Ulm, Germany
  • Multiple Sclerosis Society of New South Wales, Australia
  • Centre for Economic Research in Tilburg, The Netherlands
  • SLIGOS Organizzazione e Sistemi SpA, Milan, Italy
  • Australian Independent Media Pty Ltd., Sydney, Australia
  • Tower Technology Pty Ltd., Sydney, Australia
  • Boeing Australia Ltd, Sydney, Australia
  • TEKBAC Group of Companies, Singapore and Kuala Lumpur Malaysia
  • ACNielsen, Sydney, Australia
  • Unilink, Warsaw, Poland
  • Ferrero, Alba, Italy