Constantine trained at the Royal Central School of Speech and Drama where he graduated with an MA in Music Theatre. He also graduated with a BA in Music from the University of Southampton.
Theatre includes: Basketball Coach in Amanda the Musical (Cyprus National Tour), Zaccheus in Love Beyond (London Wembley SSE Arena), Ensemble in Love Beyond (Brighton Centre Arena), Pietro in San Domino (Arcola), Tonelli in Flahooley (Sadlers Wells), Mr. Mushnik in Little Shop of Horrors (White Bear).
Concerts and cabaret include: Soloist in Christmas Praise 2015 with the All Souls Orchestra (All Souls Church, London), Soloist in Speechless with West End Has Faith (UK Tour), Vocalist in VE day supporting Alfie Boe (BBC1 Live Broadcast), Vocalist in International Magic Tenors (European Tour), Supporting Vocalist in David Phelps in Concert (Indigo O2, London), Vocalist in London Olympic Closing Ceremony (Urban Voices Collective), Soloist in Wonders of the West End (Milfield).
Recordings include: A Symphony of British Music – Music for the Closing Ceremony (Air Studios), Speechless (Tearfund).