H.E. Ambassador Zulkifli Adnan is active on the Diplomatic Council Board of Presidents in Europa as well as in Asia. His diplomatic career has spanned 34 years and includes being Malaysia's ambassador to Germany, as well as Bosnia and Herzegovina. He was also director general of the Maritime Affairs Department in the Malaysian foreign affairs ministry. 

In 2018 he was appointed Malaysia's High Commissioner to Singapore. The Diplomatic Council launch in Singapore was hosted in his residence with 150 selected members and guests.