Within the last 13 years, Ari has made angel investments in 38 companies. In those he has participated totally to 128 investment rounds. The companies invested in include MariaDB, DealDash, Miradore, Sympa and Flowplayer. Of these investments, he has had six successful exits; Small Giant Games, Severa, Paytrail, Octo3, In4mo and The Switch.

Ari is also an investor in venture capital and buyout funds which include Seedcamp, 500 Startups, True Global Ventures, Spintop Ventures, Evli Growth Partners and KJK Capital. Of these investments, he has had one successful exit; Seedcamp fund II. In Spintop Ventures he is also a Senior Advisor and in Evli Growth Partners he is also a Growth Partner. Ari is also Advisory Board member in Finnish Industry Investments (Tesi) and LUT University.

Ari was elected by FiBAN (Finish Business Angels Network) as Business Angel of the Year in Finland in 2014. He is a co-founder and honorary member of FiBAN and Vice Chairman of the Board during 2010-2012. Ari has been an EBAN (European Business Angels Network) board member and Vice-President during 2012-2016. He was awarded EBAN Lifetime Achievement Award in 2015. He is also an active member in many international business angel networks, like EstBAN, NordicBAN, Global Super Angels Club, etc… Ari has been featured by EU-Startups as one of the top 40 of Europe’s most active and most influential angel investors.