Gregg is a high ranking and award winning director of advertising commercials, music videos and theatrical productions both in London and Los Angeles. He has worked in theatre both as director and actor and for his short films, he has won acclaim at the London International Film Festival for 'The Mary Quant Masque of Death' and a Gold Hugo at the Chicago international Film Festival for 'Born With Glasses'.
After showing a series of avant-garde short films to record companies, his career as a music video director was launched. He has won many awards for his music videos which include; 'Who Do You Think You Are' a Comic Relief production featuring The Spice Girls and co-starring Dawn French, Jennifer Saunders and Kathy Bourke. The titles 'Pray', 'Babe' and 'Sure' for Take That were award winners of Best Video for MTV and Smash Hits. Other titles include videos for The Spice Girls - 'Let Love Lead The Way' and Emma Bunton, 'What Took You So Long'. Other artists include Lionel Ritchie, Joe Cocker, Joan Armatrading, Boyzone, Kylie Mynogue, Celine Dion, Hootie & The Blowfish plus many more.