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About me

For the last 12 years, my practice has been exclusively devoted to collaborative practice, mediation and negotiated agreements.  I am committed to facilitating respectful negoitation and creative settlements.  I am a foundng board member of Collaborative Practice California.  I am a past member of the steering committee of Collaborative Practice East Bay, the Chairperson of Collaborative Law Alameda and Contra Costa, a member of the board of the Eastern Alameda County Bar Association and serve on the Northern California Public Education Committee.





Practice areas


  1. Mediation: 35%
    18 years, 75 cases
  2. Family: 35%
    22 years, 220 cases
  3. Divorce: 20%
  4. Prenuptials: 10%
    22 years, 10 cases

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Contact info

Law Offices of Karen Heller Berdy

2540 Camino Diablo
Suite 201
Walnut Creek, CA, 94597

Law Offices of Karen Heller Berdy

4733 Chabot Drive
Suite 203
Pleasanton, CA, 94588



We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
N/ALaw Offices of Karen Heller Berdy2000 - Present
Of CounselLaw Offices of Rosemary Matossian1994 - 1999
AssociateFeldman, Waldman and Kline1988 - 1991
AssociateMorrison & Foerster1981 - 1984
AssociateBrobeck Phleger & Harrison1980 - 1981
Association namePosition nameDuration
Collaborative Practice CaliforniaTreasurer - Board of Directors2006 - Present
Collaborative Practice East BaySteering Committee - Current2004 - Present
Collaborative Law Alameda and Contra CostaChairperson - Current2003 - Present
Publication nameTitleDate
Association of Certified Family Law Specialists (ACFLS) CaliforniaCollaborative Divorce Practice in California2009
Contra Costa LawyerThe Role of the Law in Collaborative Practice2006
School nameMajorDegreeGraduated
Columbia UniversityFinanceMBA1980
Columbia University School of LawLawJD - Juris Doctor1980
Harvard UniversityMathematicsOther - Bachelors1976
Speaking engagements
Conference nameTitleDate
Collaborative Practice California Celebration IVHow to Work Effectively and Efficiently as a Collaborative Team2009