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B.B.A., Information Decision Systems, James Madison University, 1985
M. B. A., The College of William and Mary, 1991
Before joining the firm in 2016, Ms. Johnston was a Distinguished Member of Technical Staff at Verizon. She previously held various positions in network technology at C&P Telephone of D.C. and Bell Atlantic.
Phone: 240-403-4300 ext. 106
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