Atty. Ariel Sosna

Atty. Ariel Sosna

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.

San Francisco San Francisco 19 yrs experience 19 year
Call (628) 222-1307 Book Appointment

Profile Summary

About Ariel Sosna at a glance

Ariel Sosna is a Partner based in San Francisco, California, practicing at Van Voorhis & Sosna LLP. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on divorce, child custody, family law, business, and child support. Admitted to practice in California (2007). Educated at Hastings College of the Law, University of California (J.D., 2006) and University of California, Berkeley (B.A., 2000). Recognitions include AV Preeminent. Active member of San Francisco and American (Member, Family Law Section) Bar Associations Lawyer's Club of San Francisco. Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • 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

Practice Areas Explained

Ariel Sosna's Areas of Practice

Each practice area below reflects the types of cases Ariel Sosna handles, with a brief overview of what that area of law covers.

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Ariel Sosna is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in California →

Child Custody & Visitation

Ariel Sosna is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in California →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Ariel Sosna is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Ariel Sosna is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Child Support

Ariel Sosna is one of 24,688 child support attorneys indexed nationally. Browse child support attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in San Francisco are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in San Francisco or all attorneys in California.

Frequently Asked

Common questions about Ariel Sosna

Where is Ariel Sosna's law office located?
Ariel Sosna's law practice is located in San Francisco, California. The firm is Van Voorhis & Sosna LLP. You can contact the office directly through this profile page.
What practice areas does Ariel Sosna handle?
Ariel Sosna focuses on divorce, child custody, family law, business, child support. Each practice area listed reflects experience handling cases of that type in California.
How long has Ariel Sosna practiced law?
Ariel Sosna has 19+ years of legal experience and has been licensed since 2007.
Where did Ariel Sosna go to law school?
Ariel Sosna earned their education at (J.D., 2006); (B.A., 2000).
How can I contact Ariel Sosna for a consultation?
You can contact Ariel Sosna directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Ariel Sosna received?
Ariel Sosna's notable recognition includes: AV Preeminent.

Education

J.D.
Hastings College of the Law, University of California
- 2006
B.A.
University of California, Berkeley
- 2000

Awards

AV Preeminent

Bar Admissions

California
Admitted: 2007

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