Cillian co-founded Loop Head Tourism in 2009 to ensure that tourism development of the Loop Head Peninsula would take place in a responsible manner with the full backing of the local community. Under his leadership the peninsula has won many awards for the manner in which it has developed. Cillian has spoken on the importance of community involvement in tourism development many times including at the World Travel Market in London, at The World Bank Group Tourism Forum in Washington, The Heritage Council of Ireland and the Cross Border Tourism Conference in Carlingford.