About Ariel
Ariel Sosna is a founding partner at Van Voorhis & Sosna LLP, a family law firm based in San Francisco, California. She was admitted to the State Bar of California in 2007, holding. Her license is currently active, and she has been exclusively practicing family law in the San Francisco Bay Area since that time. The firm's office is located at 601 Montgomery Street, Suite 540, San Francisco, CA 94111. ([apps.calbar.ca.gov](https://apps.calbar.ca.gov/attorney/Licensee/Detail/249883?utm_source=openai))
Ms. Sosna earned her Juris Doctor with a concentration in Family Law from the University of California College of the Law, San Francisco (formerly UC Hastings) in 2006. She also holds a Bachelor of Arts in Psychology from the University of California, Berkeley, completed in 2000. During her time at UC Hastings, she received the Pro Bono Publico Award, the Public Interest Law Certificate, and the Dan Bradley Fellowship. ([vsfamlaw.com](https://www.vsfamlaw.com/about-the-firm/ariel-sosna/?utm_source=openai))
Her practice areas encompass various aspects of family law, including divorce, child custody, child support, spousal support, complex property division, and domestic partnerships. She has experience in all stages of legal proceedings, from initial consultations and negotiations to litigation and appeals. Ms. Sosna is also trained in collaborative divorce and has completed a 40-hour Mediation Intensive Training Program, reflecting her commitment to alternative dispute resolution methods. ([vsfamlaw.com](https://www.vsfamlaw.com/about-the-firm/ariel-sosna/?utm_source=openai))
Before co-founding Van Voorhis & Sosna LLP, Ms. Sosna served as an associate at The Ruben Law Firm in San Francisco. She has been recognized by Super Lawyers magazine, being named a Rising Star from 2009 to 2018 and a Super Lawyer from 2019 to 2025. In 2025, she was listed among the Top 100 Attorneys in Northern California and the Top 50 Women in Northern California. Additionally, she holds an AV rating with Martindale-Hubbell, indicating high ethical standards and professional ability. ([vsfamlaw.com](https://www.vsfamlaw.com/about-the-firm/ariel-sosna/?utm_source=openai))
Ms. Sosna is an active member of several professional organizations, including the State Bar of California's Family Law Section, the San Francisco Bar Association's Family Law Section, Queen's Bench, and the American Bar Association's Family Law Section. She has served as co-chairperson of the Family Law Section within the San Francisco Bar Association's Barristers Club and volunteers with the San Francisco Superior Court as a settlement officer. As a San Francisco native, she enjoys exploring the city's historical sites, cooking, and spending time with her son. ([vsfamlaw.com](https://www.vsfamlaw.com/about-the-firm/ariel-sosna/?utm_source=openai))
