Dominik has been coaching regularly for opera productions at the Royal Ballet and Opera, Covent Garden for more than 15 years. He has also been engaged at Garsington Opera, Longborough Festival Opera, Grange Park Opera, Opera Holland Park, Glyndebourne Festival Opera and Glyndebourne Tour.

He is currently a member of the coaching staff at the National Opera Studio, and the Jette Parker Artists Programme at the Royal Ballet and Opera, Covent Garden.

International coaching credits include: Vilnius City Opera (Lithuania), Nederlandse Reisopera (Netherlands), Mariinsky Theatre (St Petersburg) and Teatro Real (Madrid).

Notable engagements as language coach for recordings and broadcasts: Classical Opera Company, BBC Singers and BBC Proms Festival, Czech Philharmonic Orchestra, London Symphony Orchestra.