Faculty & Staff Bios
Development & POSH
Mrs. Dianne Irwin
Mrs. Dianne Irwin is the mother of four O’Dea graduates and two daughters. She began working at O’Dea in 1991 and has been the Development Director since 1999. Mrs. Irwin is responsible for the annual POSH Auction, the Annual Fund, and Alumni Relations. She received a BA in Business Administration and Masters Degree in Non-Profit Leadership from Seattle University. She enjoys mountain hiking, reading, gardening and spending time with her eleven grandchildren.
Mr. David Mazzeo joined the O’Dea staff in 2005 as the O’Dea Alumni Director and Development Assistant. He is an alumnus of the O’Dea class of 1999. Mr. Mazzeo graduated from the University of Washington with a BA in Communications and a focus in Marketing. In addition to his alumni duties, Mr. Mazzeo is a Freshman baseball team coach. In his spare time he enjoys making music, participating in and watching sports, and enjoying movies.
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