John Brennan

John Brennan has a diverse work experience spanning multiple industries and roles. John started their career at Ernst & Young in 1975 as an Audit Manager, where they worked until 1980. From 1980 to 2011, they served as the Managing Director at Ellickson Engineering. Since 2011, John has been the CEO of Waterford Technologies, a company providing archiving and file solutions to various industries worldwide.

John Brennan attended New Ross CBS. No degree or field of study information is provided. No start or end year is given.