AT&T Maryland

Meet our team

Denis P. Dunn
President – AT&T Maryland, DC & Delaware
Denis P. Dunn is the president of AT&T Maryland, D.C. and Delaware. Denis joined the AT&T external and legislative affairs team in Cleveland, Ohio, in 2000 and has worked in the mid-Atlantic region since 2008.

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students mentored

in Maryland through Aspire Mentoring Academy from 2012–2017



of personal time given by AT&T employees in Maryland to community outreach activities in 2018 — worth more than $315,000

More than


contributed by AT&T, the AT&T Foundation and our employees from 2016–2018 through giving programs in Maryland


alternative vehicles

operated in Maryland as of June 30, 2020


energy efficiency projects in Maryland in 2017 resulted in annualized savings of more than 3.7 million kilowatt hours and the equivalent of removing 690 cars from the road annually
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