Marcus is a principal partner in Firelight Productions, which he established in 1998. The company has produced more than 30 hours of international television and its communications production arm has produced more than 100 programs, music videos and new media projects.

Marcus began his film career 20 years ago as a drama editor but was soon drawn to producing. The past five years have seen a focus on writing and directing and he continues to also shoot many of his films. Most recently he completed the International Digital Emmy award winning Scorched, an all-media drama for Nine Network and nineMSN. Credits for the last two years cross several genres include the four part series In the Line of Fire (Ch 9), Rock Eisteddfod Challenge (Ch 9), My Home, Your War (SBS), The Artist, The QC and The Refugee (ABC), Snap Off the Lip (Fuel TV) and Storm Surfers (Discovery).

He was the Executive Producer on the multi award winning documentary Painting with Light in a Dark World (SBS) and directed Little Dove - Big Voyage (Network 7), Australia's first fully convergent, multi-platform documentary project. In 1998 he produced and co-wrote the adventure series Afrika - Cape Town to Cairo (ABC, Ch4 UK and National Geographic) which has subsequently sold in 32 countries.

Most recently, he directed and co-produced the Emmy Award winning all-media drama Scorched which screened across the internet, mobile and prime-time TV.

He is a specialist in digital production technologies, writing the highly successful book Hands On - A guide to production and technologies for film, TV and new media which is used throughout universities in Australia. He has been a principal in Firelight Productions with partner Ellenor Cox for the past ten years. Marcus is President of NSW screen resource and training centre Metro Screen and was NSW Chapter Head for the Screen Producers Association of Australia. He has lectured and spoken at numerous institutions including AFTRS and VCA an is a regular speaker at international conferences.