[9] In 2021, he acquired a "controlling" stake in the English Championship football club, Sunderland, from its previous owner, Stewart Donald.
[11][12] On 15 February 2022, it was revealed that Louis-Dreyfus was not a majority shareholder of Sunderland as his stake in the club was only 41%, with the remaining 59% of shares made up of former owner Donald, and directors Charlie Methven and Juan Sartori.
[13] In June 2022, Louis-Dreyfus increased his shares in Sunderland from 41% to 51% - thus becoming majority & controlling shareholder - buying out Charlie Methvens 5%, and reducing Stewart Donald's percentage from 34% to 19%.
Many Sunderland supporters welcomed this news, bringing to a close the involvement of Donald and Methven in their football club.
[6][15] On 21 December 2021 in St. Moritz, Switzerland, Louis-Dreyfus married his longtime girlfriend Alexandra Nowikovsky, the daughter of Sydney-born former Australian model Toneya Bird.