Ariel SosnaFounding Partner
Ariel Sosna is a founding partner of Van Voorhis & Sosna LLP. She is 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 nine consecutive years (2009-2017), 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.
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J.D., U.C. Hastings School of the Law
Concentration in Family Law, Pro Bono Publico Award, Public Interest Law Certificate, Dan Bradley Fellowship
B.A. in Psychology, U.C. Berkeley, 2000
San Francisco Bar Association's Barristers Club
Co-chairperson of the Family Law section
State Bar of California
Family Law section
American Bar Association
Family Law Section
The Ruben Law Firm
San Francisco Superior Court Family Law Facilitator's Office
Law Center for Families
(assisting with the Deaf Women's Legal Project)
Center for Families, Children and the Courts
(a division of the Administrative Office of the Courts)
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 for Professor Weisberg contributing to:
- Modern Family Law: Cases and Materials
- California Family Code and Related Provisions with Commentary