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Practice areas


  1. Tax: 60%
    40 years, 350 cases
  2. Business: 25%
    40 years, 150 cases
  3. Unspecified: 15%

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Contact info

8280 Greensboro Dr 7th Floor
Mc Lean, VA, 22102-3885


VAAuthorized to practice law199209/15/2015
DCInactive 197511/29/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Phi Betta KappaPhi Beta Kappa Fraternity1969
Work experience
TitleCompany nameDuration
Co-Founder & OwnerGammon & Grange P.C.1977 - Present
AssociateZuckert, Scoutt & Rasenberger, L.L.P.1975 - 1977
School nameMajorDegreeGraduated
Harvard University Law SchoolLawJD - Juris Doctor1974
Yale University Divinity SchoolTheologyYear of Graduate Study1970
University of VirginiaEconomics & Computer ScienceBA - Bachelor of Arts Economics Honors1969