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.

Stay connected with AT&T Maryland

mortar_board_line Created with Sketch.


students mentored

in Maryland through Aspire Mentoring Academy from 2012–2017
time_line Created with Sketch.



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

More than


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


alternative vehicles

operated in Maryland as of June 30, 2020
led_lightbulb_line Created with Sketch.


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