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Ariel Sosna

Attorney Profile

Top Rated Family Law Attorney in San Francisco, CA

Van Voorhis & Sosna LLP
601 Montgomery Street, Suite 525
San Francisco, CA 94111
Phone: 415-274-2530
Fax: 415-872-1486
Selected to Super Lawyers: 2019 - 2022
Selected to Rising Stars: 2009 - 2018
Licensed in California Since: 2007
Practice Areas: Family Law
Attorney Profile

Ariel Sosna is a founding partner of Van Voorhis & Sosna, LLP, a San Francisco law firm dedicated exclusively to resolving family law matters for clients throughout the Bay Area. Ms. Sosna's practice at the firm focuses on divorce (including complex property allocation and division), child custody, parentage (paternity), child support and spousal support, arrears issues, sex-same marriages, domestic partnerships, and prenuptial and postnuptial agreements. In addition, she regularly serves as a reviewing attorney for mediated agreements.

Ms. Sosna received her J.D., with a concentration in family law, from U.C. Hastings School of the Law and her B.A. in Psychology from U.C. Berkeley. She co-authored the column, “Family Law Corner,” published monthly in The Bar Association of San Francisco Bulletin for 10 years and is an active member of several professional organizations. Ms. Sosna previously worked at the San Francisco Superior Court Family Law Facilitator's Office, the Law Center for Families (assisting with the Deaf Women's Legal Project), and the Center for Families, Children and the Courts, a division of the Administrative Office of the Courts. Currently, Ms. Sosna serves as a settlement master with the San Francisco Superior Court. Ms. Sosna is one of only a small percentage of California attorneys who have been certified as specialists in family law by the State Bar of California Board of Legal Specialization. 

Practice Areas
  • 100%Family Law
Focus Areas

Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Paternity, Prenuptial Agreements, Same Sex Family Law


4 Years Super Lawyers
10 Years Rising Stars
  • Super Lawyers: 2019 - 2022
  • Rising Stars: 2009 - 2018

Certificates and Credentials

About Ariel Sosna

First Admitted: 2007, California

Professional Webpage:

Special Licenses/Certifications

  • Certified Specialist, Family Law, State Bar of California Board of Legal Specialization


  • Dan Bradley Fellowship
  • Pro Bono Publico Award and Public Interest Law Certificate

Educational Background

  • U.C. Berkeley, B.A. in Psychology, 2000

Bar/Professional Activity

  • State of California, 2007
  • Queen's Bench Member
  • American Bar Association, Family Law Section
  • Co-Chair, Barristers Club, San Francisco Bar Association, Family Law Section
  • State Bar of California, Family Law Section

Scholarly Lectures/Writings

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Office Location for Ariel Sosna

601 Montgomery Street
Suite 525
San Francisco, CA 94111

Phone: 415-274-2530

Fax: 415-872-1486

Last Updated: 5/31/2022

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