Former Adjudicators of International Reputation and Esteem from former Competitions have included:

Dr. Michael Baron

Prof. Renato Premizzi

Dr. Claudio Herrada

 Dr. Bill Seymour

Kevin Sharpe

Dr. Falko Steinbach

Dr. Tatiana Vetrinskaya

Peter Ziethen

 Dr. Beryl Lovitz 

Michael Mauldin

Robert McKenna