Mullan, who is dyslexic, has spoken widely and was co-producer of a highly acclaimed and multi-award-winning film about Bloody Sunday that was inspired by his book.
[citation needed] Mullan was Director of AFrI (Action from Ireland) between 1979 and 1993, during which he and his colleagues developed the Great Famine Project.
In 1994 he attended the inauguration of President Nelson Mandela as the guest of Archbishop Desmond Tutu in recognition of his work on behalf of the anti-apartheid movement.
Mullan was invited by Archbishop Tutu to attend a symposium on Robben Island in May 1994, the week following the inauguration of President Mandela.
In 1996, the late Allo Donnelly, then Chairman of Concern Universal, a UK-based World Development charity wishing to expand into Ireland, approached Mullan and asked him to head up the operation.
He has authored and edited several books and documentaries and acted as co-producer and associate producer in three award-winning movies Bloody Sunday[5] Omagh,[6] and Five Minutes of Heaven.
Mullan was co-producer, source writer, and actor in the 2002 award-winning Granada/Hell's Kitchen movie Bloody Sunday, directed by Paul Greengrass, which was inspired by his book.
As a public speaker Mullan has addressed audiences throughout Ireland, Britain, Europe, Canada, Brazil, and the United States on justice, peace and human rights issues.
Edwards, Carl Payne and Julian Jeffery created the triple statue honouring the Stoke City and England legendary winger, Sir Stanley Matthews.
Mullan travelled all over England in a quest to find a sculptor to help him create the first monument in the Western World to a goalkeeper.
"[This quote needs a citation] Mullan was successful in getting the iconic Brazilian soccer star, Pelé, and his longstanding friend, Archbishop Desmond Tutu of South Africa, to agree to unveil the first phase of the monument at the Britannia Stadium on 12 July 2008.
In May 1990, Mullan was made an Honorary Chief of the Choctaw Nation of Oklahoma, an honour he shares with the former President of Ireland, Mary Robinson.