In 2000 he started PreVenture A/S, a venture capital firm, which was managed by BankInvest.

"We think of ourselves as preventure funders, [ideas] that are too risky for VCs," says Majumdar.

The Climate Schools and Preventure study, involving 2000 schoolchildren, evaluated the effectiveness of combining universal prevention programs in schools with programs targeting students with potentially high-risk personality types.

PreVenture owned Retail Internet A/S, Yellowtel A/S, Isabella Smith A/S and KeepFocus A/S and was dissolved in 2009.