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Executive Team

Matthew J. Dunleavy, President

Matt Dunleavy founded Excedra in 2003 out of his Northeast Philadelphia townhome. Highlights of Excedra’s history include web branding work for well-known entertainment firms like Atlantic Records, and Universal Music Group as well as winning marketing campaigns for Fortune 500 companies such as Allstate, AT&T, and The Wallstreet Journal.

In recent years, Dunleavy was instrumental in developing ArtistsSignatures.com, an ambitious project cataloging nearly 30 years of leading art researcher John Castagno’s life’s work. ArtistsSignatures.com has grown rapidly since 2006, changing the way librarians, art dealers, museums, galleries, and appraisers around the world determine value, verify signatures, and access artist biographical information.

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