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About me

I am a business, real estate and telecom lawyer.  my firm and i have represented large and small business for over 30 years here in fort lauderdale.  I am rated AV by Martindale Hubbell, the independent rating service for lawyers. AV is the highest ranking for legal ability and ethics, and i have enjoyed that rating since 1997. I am listed in the Bar Register of Preeminent Lawyers in the US in the fields of business and real estate. More info on me and my firm can be found on our website,


Practice areas


  1. Business: 20%
  2. Telecommunications: 20%
  3. Real Estate: 20%
  4. Mediation: 20%
  5. Contracts & Agreements: 20%



Hourly ($300-350/hour), Free consultation (30 minutes)

Payment types:

Cash, Check

Attorney endorsements

8 total 

Are you an attorney? Endorse this lawyer

  • Randal Moore

    I endorse this lawyer. A highly skilled and respected lawyer in the community.


    Randal Moore Business Attorney
    Relationship: Fellow lawyer in community

  • Richard Todd Rosenstein

    I endorse this lawyer. Mr. Christiansen is a highly experienced and well respected member of the legal community. He is a zealous advocate for the rights and interests of his clients.


    Richard Rosenstein Personal Injury Attorney
    Relationship: Fellow lawyer in community

Contact info

Mastriana & Christiansen PA

1500 N Federal Hwy Ste 200
Fort Lauderdale, FL, 33304-5600


FLMember in Good Standing197609/08/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell1997
Law ReviewUniversity of Pittsburgh School of Law1974
Work experience
TitleCompany nameDuration
PresidentMastriana & Christiansen PA1980 - Present
Association namePosition nameDuration
National Center for Missing & Exploited ChildrernEmeritus Director1980 - 2004
Publication nameTitleDate
Broward County Barrister5 Common Myths About Foreclosure Mediation2012
Broward County BarristerOne Lawyers Journey to Mediation2010
The Florida Bar Journal5 Compelling Reasons to Build a Pre-Suit Mediation Clause into your Business Contracts2010
School nameMajorDegreeGraduated
University of Pittsburgh School of LawLawJD - Juris DoctorN/A
Speaking engagements
Conference nameTitleDate
Luncheon ConferenceWhy Mediation is in Your Future2013