[6] Sveaas initiated the Kistefos Museum, the original and fully intact wood pulp mill from 1889, of which he is the main sponsor.
[8] Sveaas was also the owner of two star Guide Michelin restaurant Bagatelle in Oslo for about 20 years, which world award-winning Chef Eyvind Hellstrøm left in 2009.
[9] Sveaas has served on several boards, Orkla Group, Stolt-Nielsen, Tschudi & Eitzen, Vestenfjeldske Bykreditt, SkipsKredittforeningen and privately owned Treschow-Fritzøe.
[10] Its focus is to support organisations without relevant public funding, and young promising classical musicians through scholarships and instrument loans.
[11][non-primary source needed][1] Sveaas is a member of Dean's Council, Executive Committee at Harvard Kennedy School.