Business 100 – 2014

Sean O’Sullivan/Starcom

With 18 years experience in the media business, Sean O’Sullivan recently joined Starcom in his current position as SVP AOR Director for the Mars business in the U.S.

Beginning his career in Dublin, after leading the winning team at a young advertising professionals training conference in London during the summer of 1999, Sean joined Universal McCann’s international planning department in New York in March of 2000. There he worked on global strategic planning for CPG clients and Pan Regional specific clients. In 2003 he also added U.S. responsibilities.

A graduate of the University of Limerick and the Dublin Institute of Technology, Sean is a founding member of the UM Charity Council in support of Free the Children and a member of the Communications Council for the Juvenile Diabetes Research Foundation. Sean, whose parents both came from Effin, Co. Limerick, was born in the Bronx, but grew up in Killaloe, Co. Clare and used to play hurling for Clare on a team in New York. He believes that “being Irish instills in a person a belief that with hard work and perseverance any challenge can be overcome.”