He has been an editorial newspaper cartoonist since 1986. He is currently cartoonist for the Sydney's Daily Telegraph, for which he also writes a weekly motoring column. He created editorial cartoons for the ABCtelevision programsDifference of Opinion and Insiders, and presented the history programs National Treasures, The Prime Ministers' National Treasures, Rewind,Moments in Time and "Lost and Found" for the History Channel. In 1995, as part of the Federal Government’s Australia Remembers commemorative program, he co-conceived and implemented Back to the Track, a pilgrimage for WWII veterans commemorating the building of the Stuart Highway between Alice Springs and Darwin, involving a troop train and a convoy of 100 WWII vehicles. In May 2005, Brown co-devised and participated in a recreation of the 1907 Peking to Paris race using five 100-year-old cars. He also presented a four-part documentary series about the event and co-wrote the accompanying book. The television series was a finalist for Best Documentary Series at the 2007 Logie Awards. He and co-driver Lang Kidby were awarded the Australian Geographic 'Spirit of Adventure' award. In 2006-07 Brown hosted 'The Weekender' on ABC NetworkLocal Radio, a national radio program broadcasting Saturday nights. Since 2006, he has acted as the overnight MC at Gallipoli on Anzac Day and the pre-service MC at the Australian War Cemetery at Lone Pine. In 2010 he was appointed to the National Commission for the Commemoration of the Anzac Centenary, a six-person panel tasked to prepare a report for the Prime Minister as to how Australians envisaged the commemoration of the centenary of the landings at Gallipoli in 2015, and a four-year commemorative program running from 2014-18 marking all conflicts in which Australians have been involved. Other commission members, former Prime Ministers Malcolm Fraser and Bob Hawke, Rear AdmiralKen Doolan, National President of the RSL, Major Matina Jewell and war-widow and veterans' advocate Kylie Russell. In 2012 he was appointed to the Anzac Centenary Task Force committees - 'Commemorative and Ceremonial', and 'Creative'. In 2008 he was selected to be one of the presenters of Top Gear Australia on SBS TV, and continued on in Season 2. He did not follow the program to Channel Nine for its 2010 revamp. In 2012 he wrote a biography of Australian adventurer Francis Birtles for Hachette Australia. Brown is a keen motoring enthusiast. He owns several vintage vehicles including a 1929 Dennisfire engine.