After his studies in New Zealand Tecwyn Evans took up a Fulbright Scholarship to study conducting at the University of Kansas with Brian Priestman and Simon Carrington. From 2009-2011 he was Erster Kapellmeister und Stellvertreter des Chefdirigenten of Grazer Oper, Austria.
Tecwyn began his career as Chorus Master for Glyndebourne Festival Opera in 1999 - a position he held for four years. After making his debut conducting performances of La Boheme for Glyndebourne on Tour Tecwyn has conducted Don Giovanni (English Touring Opera), Die Fledermaus (ETO), Fidelio, La Boheme and Pelleas et Melisande (Opera Theatre Company), The Rake's Progress and Eugene Onegin (Royal Northern College of Music), Hansel and Gretel (Opera New Zealand), Rotter (Oper Köln), Carmen and Madama Butterfly (Grazer Oper/University of Otago), Aida (Exeter Festival), La Rondine, L'elisir d'amore, and Falstaff (Opera North), Die Meistersinger, Le nozze di Figaro, Die Csardasfürstin, La Traviata, Don Giovanni, Faust, The Queen of Spades (Grazer Oper), Maria Stuarda and Simon Boccanegra (Chelsea Opera Group).
In 2005 Tecwyn was a finalist in the Leeds' Conducting Competition, soon after which followed his debuts with the BBC Philharmonic, at the BBC Proms with the same orchestra, and at Opera North.
Tecwyn, has appeared in concert with many of the major UK orchestras as well as the Ulster orchestra, Nordic Chamber, Helsingborg Symphony, Grazer Philharmonic, Auckland Philharmonia, New Zealand Symphony, Christchurch Symphony and Queensland Symphony orchestras.
In 2010 Tecwyn recorded a CD of music by NZ composer Anthony Ritchie with the New Zealand Symphony Orchestra, and conducted British Violinist Anthony Marwood in the world premiere of Ross Harris’s Violin Concerto no. 1 with the same orchestra. He also recorded a CD with Bryn Terfel and the orchestra of Welsh National Opera for Deutsche Grammophon.
Recently, Tecwyn has worked twice with the National Youth Orchestra of Scotland: first for the premiere of Rory Boyle’s new Bassoon Concerto, That Blessed Wood, with David Hubbard, and returning for three performances with Nicola Benedetti in Perth, Glasgow and Gateshead. He led the BBC National Orchestra of Wales in an outdoor concert for the ‘Last Night’ of the BBC Proms and conducted Aida for Dublin Lyric Opera. He returns to the UK in 2013 to conduct a concert at the Manchester International Festival.. In autumn 2013 engagements include the Adelaide Symphony Orchestra, New Zealand Symphony Orchestra with Bryn Terfel and the Mexican Radio Philharmonic.