Sebastian is a graduate of Magdalen College, Oxford and is a current scholarship holder at the Guildhall School of Music and Drama. He was awarded first prize in the London Bach Society Competition as well as the Patricia Routledge English Song Competition. He studies with David Pollard, and is supported by the H R Taylor Trust, Drake Calleja Trust and The Countess of Munster Trust.
Sebastian was a member of the 2024 Glyndebourne Chorus for performances of Giulio Cesare and Tristan und Isolde. Recent debuts include Wigmore Hall as part of a Goethe celebration accompanied by Graham Johnson, the Oxford International Song Festival where he is a Young Artist alongside duo partner Will Harmer, and the International Lied Festival Zeist.
Concert highlights include Schubert Die schöne Müllerin (Oxford Festival of the Arts), Bach St John Passion (Oxford Bach Soloists, Worcester Cathedral Choir, New College Choir, Winchester Bach Voices), Haydn Creation (Burford Singers), Bach Christmas Oratorio (Birmingham Symphony Hall, Ex Cathedra/New College Choir, Oxford), Handel Messiah (Birmingham Symphony Hall, Ex Cathedra), and Monteverdi Vespers (Birmingham Town Hall, Ex Cathedra). He is a Samling Artist, and was a graduate scholar with Ex Cathedra and the Oxford Bach Soloists. As a member of the Guildhall semi-chorus he performed Mendelssohn Elijah with the LSO/Antonio Pappano.
Upcoming engagements include performances of Vaughan Williams On Wenlock Edge with Camerata Variabile in Switzerland, Britten Serenade at the Barbican, and Evangelising for several performances of Bach Passions in the UK.