· After participating in the BBC's Sparks programme in 2004 Mark was commissioned to write Medium Risk for BBC Radio 3's The Wire strand subsequently broadcast on BBC R3 and BBC R7 in 2005 to excellent national notices. 

· Mark was one of six writers commissioned to write a segment of The City Speaks, the first ever "film for radio" produced by BBC R4, Film London and Arts Council England in 2009. This groundbreaking project was inspired by a short story written by historian Peter Ackroyd and premiered simultaneously on radio, television and in cinemas. Mark's 15 minute segment was titled Broken Chain and featured Jeffery Kissoon, Jimmy Akingbola and Cherie-Ann Smith and was directed by Toby Swift with film images produced and directed by Inge Blackman. 

· Mark's foray into journalism began as work experience at Southwark Star Group Newspapers, a local south London newspaper. He later went on to become a junior reporter at the paper. He then became a sports reporter at Supercall Sport, working with organisations such as BBC and Sky alongside broadcasters who have since gone on to become household names. Mark contributes to various newspapers and magazines including writing about film and culture for the likes of BFM Magazine, for whom he wrote regularly between 2001-2004. He has also written for The New Statesman and the London Evening Standard.

· From 2006-12 Mark was writer in Residence at HMP High Down, a Category B prison outside London where he taught creative writing, film and video to inmates and staff. Working with Writers In Prison Network and Arts Council England Mark helped inmates in their rehabilitation, enabling some to pursue successful careers upon leaving. Mark inspired hundreds of items of work from inmates and edited a number of publications of their work.