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Practice areas


  1. Creditors’ Rights: 40%
  2. Litigation: 40%
  3. Bankruptcy & Debt: 20%

Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • Calvin B. Chang

    I endorse this lawyer.


    Calvin Chang Employment & Labor Attorney
    Relationship: Fellow lawyer in community

  • Mark Harrison Wagner

    I endorse this lawyer. Greg is a great lawyer and advocate for his clients. He always takes the time to learn their goals and then does a great job achieving those goals. I strongly reccomend him.


    Mark Wagner Discrimination Attorney
    Relationship: Worked together on matter

Contact info

Gammage & Burnham PLC

Two North Central Avenue 15th Floor
Phoenix, AZ, 85004


AZActive 200505/23/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Association namePosition nameDuration
State Bar of ArizonaMemberN/A
American Bar AssociationMemberN/A
Maricopa Bar AssociationMemberN/A
School nameMajorDegreeGraduated
University of Michigan Law SchoolLawJD - Juris Doctor2005
Adrian CollegeMathematicsBA - Bachelor of Arts2002
Adrian CollegePolitical ScienceBA - Bachelor of Arts2002