Dionissis has 25 years of experience in venture capital/private equity investments in SE Europe and West Africa.

In these markets he has made numerous investments in a wide range of sectors that include: real estate, financial services, IT, retail and manufacturing. Prior to private equity, he started his career with Procter & Gamble in marketing.

He now serves on the Board of Directors of five companies in Greece and Nigeria.

He holds a MSc. in Electrical Engineering from the National Technical University of Athens and ΜΒΑ from Imperial College, University of London.