William Corless is a certified member of the Mediators Institute of Ireland. William is currently completing a Masters in Mediation and Conflict intervention.

He is active in continuous professional development and utilises his skill set especially towards the workplace.

William currently delivers negotiation and mediation lectures to the United Nations Training School. International participants include military personnel, non-profit and diplomatic staff. These workshops are mainly pre-deployment (military school) and personal security awareness programmes (Department of Foreign Affairs and Trade)