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Andrew O'Sullivan is a seasoned professional at Humes (Holcim Australia), currently serving as the Estimating & Tendering Manager for the Central Region since December 2012. Prior roles at Humes included Northern NSW Project Manager, North Queensland Sales Manager, and NW NSW Account Manager, spanning from July 2002 to December 2012. Andrew O'Sullivan holds a Bachelor of Commerce degree in Business/Managerial Economics from the University of New England, where education was pursued from 1996 to 1999, and completed secondary education at Farrer MAHS from 1990 to 1995.