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About me

Joanna Madison Valencia has practiced law for over 15 years, both in private practice and at several prestigious large law firms in the Washington, D.C. metropolitan area, including Mintz, Levin, Cohn, Ferris Glovsky & Popeo, P.C., Greenberg Traurig, LLP and Bracewell & Giuliani L.L.P.  She also has served as corporate in-house counsel for U.S. subsidiaries of major international corporations.  Ms. Madison received her J.D. from the University of California, Hastings College of the Law, in San Francisco, California, where she was elected President of the Associated Students of UC Hastings, and was named Outstanding Student Leader by University of California Hastings College of the Law faculty and alumni.  She received her B.A., cum laude, from the University of San Diego,in San Diego, California, withDepartmental Honors.  She is licensed to practice law in the Commonwealth of Virginia, the District of Columbia, the State of California and the State of Florida.  Joanna is fluent in Spanish, and was a law clerk for the Chief Justice of the Supreme Court of Argentina.  Ms. Madison is also a certified court-appointed attorney in the Commonwealth of Virginia.


Languages spoken: English, Spanish

Practice areas


  1. Licensing: 25%
  2. Commercial Real Estate: 25%
  3. Government Contracts: 25%
  4. Business: 25%

Attorney endorsements

1 total 

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  • Lee E Berlik

    I have known and worked with Joanna for years. She is an insightful and entrepreneurial business attorney, with an impressive ability to problem solve and find creative ways to get things done. I frequently recommend Joanna to my clients, regardless of whether the issue at hand is relatively small or involves a multi-million dollar transaction.


    Lee Berlik Litigation Attorney
    Relationship: Fellow lawyer in community

Contact info


VAAuthorized to practice law200110/09/2009
DCActive 199707/10/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Outstanding Student LeaderUniversity of California Hastings College of the LawN/A
Rookie of the YearAmerican Heart Association, Greater Washington Region, Corporate Sponsorship CommitteeN/A
ScholarshipClifton Community Women's ClubN/A
Work experience
TitleCompany nameDuration
Managing MemberMadison Valencia2003 - Present
AssociateMintz Levin Cohn Ferris Glovsky & Popeo2000 - 2002
AssociateGreenberg Traurig1999 - 2000
AssociateBracewell & Giuliani LLP1996 - 1999
Association namePosition nameDuration
UC Hastings College of the Law Alumni AssociationLeadership CommitteeN/A
Associated Students of HastingsPresidentN/A
Dulles Regional Chamber of CommerceMemberN/A
Fairfax Bar AssociationMemberN/A
Legal cases
Case nameOutcome
Backyard Habitats, Ltd v. AroneObtained judgment for plaintiff in the amount of $132,000
See all legal cases 
School nameMajorDegreeGraduated
University of California, Hastings College of the LawLawJD - Juris DoctorN/A
University of San Diego School of LawSpanish and Latin American StudiesBA - Bachelor of ArtsN/A