William Corless
William is a highly regarded workplace resolution expert, executive coach, mediator, and corporate facilitator. Recognized as a trusted advisor, he brings a wealth of expertise, deep industry knowledge, and strong academic credentials to help organizations navigate complex workplace challenges. With a Master’s degree in Mediation and Conflict Intervention from NUI Maynooth, along with executive education from Harvard Kennedy School, Wharton, London School of Economics, Chicago Booth, Ashridge Business School, and Notre Dame, William combines academic excellence with real-world impact.
William has extensive experience working with multinational organizations across Ireland, Europe, the UK, Scandinavia, the U.S., and Africa. His clients span industries including technology, pharmaceuticals, medical devices, manufacturing, FMCG, retail, and financial services. Formerly a senior associate faculty member at the United Nations Training School and a guest lecturer at Notre Dame University, he is also an award-winning Program Director.
As a master facilitator, William specializes in designing and delivering tailored programs that engage and challenge participants. His training methodologies include experiential learning, Harvard Business Cases, LEGO Serious Play, team coaching, and visual facilitation. Known for his open, honest, and engaging style, he empowers leaders and teams to enhance their performance, communication, and collaboration.
In addition to his consulting work, William is the host of The Workplace Podcast, one of Ireland’s top five management podcasts. He has interviewed leading experts such as Harvard professors Amy Edmondson, Frances Frei, and Amy Gallo, as well as Nobel Prize winner Bob Lefkowitz. His insights are regularly featured in national media, including RTÉ, TG4, Newstalk, Business Post, the Irish Independent, and Today FM.
William specializes in leadership development, emotional intelligence, high-performance teams, negotiation, executive coaching, organizational behavior, and conflict resolution. His impressive client portfolio includes Google, Johnson & Johnson, Boston Scientific, Alexion, AIB, HSE, LIDL, Musgrave, Tirlán, and Eirgrid, among others.