Ariel R. Sosna - San Francisco, CA
Attorney at Van Voorhis & Sosna LLP
Divorce Lawyers in San Francisco, CA
369 Pine Street Suite 810 San Francisco, CA 94104
- Free Consultation
- 1 Super Lawyers®
-
19
Years
Experience
San Francisco Divorce Lawyer
Updated: 03/10/2026
Areas of Practice
- Divorce
- Custody
- Pre-Marital Agreements
- Domestic Partnerships
- Support
- Child Support
- Spousal Support
- Complex Marital and Domestic Partner/Same-sex Dissolutions (including property allocation and division)
- Child Custody
- Parentage (paternity)
Attorney Information
Overview
Ariel Sosna is a founding partner of Van Voorhis & Sosna LLP. She was certified as a specialist in Family Law by the State Bar of California Board of Legal Specialization. Ms. Sosna has been exclusively practicing family law in California (San Francisco Bay Area) since 2007.
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.
Before starting her own practice, Ms. Sosna was an associate at a well-known San Francisco law firm. She was co-chairperson of the Family Law Section of the San Francisco Bar Association's Barristers Club in 2009 and 2010. For the past eight consecutive years (2009-2016), Super Lawyers magazine named her a family law Rising Star after a confidential balloting process by members of the Bar. In 2013, Ms. Sosna completed the Center for Understanding in Conflict 40-hour Mediation Intensive Training Program. 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. She was also a research assistant for Professor Weisberg contributing to "Modern Family Law: Cases and Materials and California Family Code and Related Provisions with Commentary."
Ms. Sosna's family law practice focuses on marital dissolution (divorce) and domestic partner/same-sex dissolutions (including complex property allocation and division), child custody, parentage (paternity), child and spousal support, and arrears issues. She has had successfully represented clients in complex property divisions and discovery issues at the trial level. She is a member of the family law section of the State Bar of California, a member of Queen's Bench, and an active member the San Francisco Bar Association, Family Law Section.
As a San Francisco native, Ms. Sosna enjoys all things San Francisco including walking tours of historical sites in the city. She also enjoys cooking and frequenting the local farmers markets. Most of all, Ms. Sosna enjoys spending time with her daughter.
Awards and Honors
Honors
- Family Law Rising Star, Super Lawyers magazine, 2009-2016
Other Sources of Feedback About Ariel R. Sosna
Included on the 2026 Northern California Super Lawyers list
Past Lists
- 2025 Northern California Super Lawyers list
- 2024 Northern California Super Lawyers list
- 2023 Northern California Super Lawyers list
- 2022 Northern California Super Lawyers list
- 2021 Northern California Super Lawyers list
- 2020 Northern California Super Lawyers list
- 2019 Northern California Super Lawyers list
- 2018 Northern California Super Lawyers list
- 2017 Northern California Super Lawyers list
- 2016 Northern California Super Lawyers list
- 2015 Northern California Super Lawyers list
- 2014 Northern California Super Lawyers list
- 2013 Northern California Super Lawyers list
- 2012 Northern California Super Lawyers list
- 2011 Northern California Super Lawyers list
- 2010 Northern California Super Lawyers list
- 2009 Northern California Super Lawyers list
Education
-
Legal Education
-
University of California College of the Law, San Francisco (formerly UC Hastings),
San Francisco,
California
J.D.
Honors: Pro Bono Publico Award
Honors: Public Interest Law Certificate
Honors: Dan Bradley Fellowship
Major: Family Law
-
University of California College of the Law, San Francisco (formerly UC Hastings),
San Francisco,
California
-
Non Legal Education
-
University of California, Berkeley, 2000
B.A.
Major: Psychology
-
University of California, Berkeley, 2000
Current Employment Position(s)
-
Founding Partner
Past Positions
- The Ruben Law Firm, Associate
Pro Bono Activities
- San Francisco Bar Association's Barristers Club, Co-chairperson of the Family Law section, 2009 and 2010
- San Francisco Superior Court Family Law Facilitator's Office Law Center for Families
- Center for Families, Children and the Courts
Published Works
Articles
-
Co-Author of "Barrister Club Involvement Leads to Founding of a Firm" appearing in The Bar Association of San Francisco Bulletin, Volume 4, Number 12
-
Co-Author of monthly column "Family Law Corner" in The Bar Association of San Francisco Bulletin, 2009 to present
-
Research Assistant, Modern Family Law: Cases and Materials
-
Research Assistant, California Family Code and Related Provisions with Commentary
Bar Admissions
- California, 2007
Specialties and Certifications
- Certified as a Specialist in Family Law by the State Bar of California Board of Legal Specialization
Other Affiliations
- State Bar of California, Family Law section
- American Bar Association, Family Law Section
- Queen's Bench, Active Member
Contact
369 Pine Street
Suite 810
San Francisco, CA 94104
Phone: 415-579-3162
Fax: (415) 500-2358
Email: Send a message
Website: http://www.vsfamlaw.com
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