Gunaratna holds several honorary appointments including as Chairman of the Global Peace Institute, UK; Secretary General of the Consortium for Countering the Financing of Terrorism (CCFT);[5] Member of the Advisory Council, The International Institute for Justice and the Rule of Law (IIJ), Malta; and Member of the Board of Directors, Indo-Pacific Centre, Singapore.[6]
In 2013, Sri Lankan member of parliamentWijeyadasa Rajapakshe wrote in op-ed in which said that "he (Gunaratna) insisted the importance of combating terrorism, he did not address on the cause for the emergence of terrorism."[14] In 2017, Inspector General of Bangladesh Police dismissed his claims of ISIS presence in Bangladesh by saying that he had no experience in "real issues."[15]
Hambali claims
In 2003, Gunaratna claimed that Al-Qaeda commander Riduan Isamuddin (alias Hambali) regularly visited Australia and plotted to fly planes into the British Houses of Parliament; these claims were dismissed as baseless by the ASIO.[16][17] Commenting on one of his books, the Pacific Journalism Review said in its review that "his writing here on Indonesia reveals a remarkably narrow selection of sources, a profound lack of knowledge, and a flawed understanding of the history of the Indonesian armed forces and of their intelligence operates".[18] Australian journalist and commentator on intelligence issues Brian Toohey has called him a "self-proclaimed expert".[19] He has also made false claims to be a "principal investigator" at the UN's Terrorism Prevention Branch. In reality, he has only spoken at a seminar organized by the Australian Parliamentary Library, testified at a Congressional hearing on terrorism and delivered a research paper at a conference organized by the UN's Department for Disarmament Affairs.[19]
In 2004, New Zealand journalist Martin Bright described Gunaratna as “the least reliable of the experts on bin Laden”.[16] His claims to the New Zealand Herald that "sympathisers and supporters of various terrorist groups were in New Zealand” and to have seen their fundraising leaflets were also dismissed by New Zealand's Financial Intelligence Unit.[16]