Education
He attended Cranleigh School as a youngster and during his time in Harlequins academy, he spent several games playing for Esher Reconstruction Finance Corporation.
He attended Cranleigh School as a youngster and during his time in Harlequins academy, he spent several games playing for Esher Reconstruction Finance Corporation.
He plays as a wing. Stegmann scored his first try for Quins 1st XV on 22 March 2009 against Sale Sharks. On 25 February 2013, Sebastian Stegmann would leave Harlequins to join London Welsh on a two-year contract for the 2013/14 season. On 10 April 2015, Stegmann signs for Yorkshire Carnegie on a two-year deal in the RFU Championship from the 2015-2016 season.