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3050 K St NW, Washington (DC), 20007, United States

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(202) 338-8700

Work hours
MO 09:00 – 18:00 SA closed
TU 09:00 – 18:00 SU closed
WE 09:00 – 18:00
TH 09:00 – 18:00
FR 09:00 – 18:00
About Creating real & lasting change in the world. www.gmmb.com
GMMB cover
Mission Creating real & lasting change in the world.
Description Add information
Founded Founded in 1983, GMMB honed its skills in politics, policy and issue campaigns, where the goal is to change minds and change hearts, win in the court of public opinion and win votes.

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