Marcus Wallenberg, (born 2 September 1956) is a Swedish banker and industrialist.
Born in Stockholm, the son of banker Marc Wallenberg, and his wife Olga Wehtje, he is a member of the prominent Wallenberg family. His nickname "Husky" came from his grandfather, Marcus Wallenberg. He has a BSc degree from the Edmund A. Walsh School of Foreign Service.
The former President and CEO of Investor, he is on the board of directors of Skandinaviska Enskilda Banken, Electrolux, Ericsson, LKAB, AstraZeneca, Stora Enso, Saab, Temasek Holdings and Knut and Alice Wallenberg Foundation. He is a former member of the Steering Committee of the Bilderberg Group.
Wallenberg is married to Fanny Sachs and they have two children together; he has four children from an earlier relationship.