Lars Seier Christensen

The co-CEOs of Saxo Bank climb to No. 39 on this year’s Tech 50 ranking.
Fournais founded the firm as Midas in 1992, has been running it with co-CEO Lars Seier Christensen, 47, since 1995 and relaunched it as Saxo in 2001. Especially popular among foreign exchange traders, the flagship Saxo Trader platform is available in 22 languages.