Cassie Springer Ayeni

Cassie Springer Ayeni

Springer Ayeni

Recognized since 2023

San Leandro, California

Practice Areas

Employee Benefits (ERISA) Law

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Cassie Springer Ayeni is the President of Springer Ayeni, A Professional Law Corporation. She represents people with disability, medical, and life insurance benefit claims under ERISA. Cassie was the 2019-2022 Plaintiff’s Chair of the American Bar Association (ABA) / Labor & Employment Law Section’s (LEL) Employee Benefits Committee (EBC) and is currently the 2022-2023 LEL Representative to the ABA’s Joint Committee on Employee Benefits (JCEB). In 2022, she was chosen for induction as a Fellow into the American College of Employee Benefits Counsel. In 2018, Cassie was a recipient of the Minority Bar Coalition’s 41st Annual “MBC Unity Award.” Cassie has been selected as a "Top 100" attorney in Northern California in 2015-2022 by Super Lawyers Magazine, and "Top 50 Women" attorney in Northern California by the same publication in 2014-2022. She was also chosen as a "Top 40 under 40" attorney by the National Trial Lawyers in March 2014, a "Top 20 under 40" attorney in the state of California by the Daily Journal in January 2012, as well as one of 50 California attorneys "On the Fast Track" by the Recorder in June 2012. She is an active leader in the ABA, LEL, EBC, and JCEB, where she has repeatedly spoken at conferences, served as track coordinator, served on programming committees, and co-chaired committees including the Membership Services Committee, the Leadership Development Program Committee, the National Programs Committee, the Marketing Committee, and the Benefit Claims and Individual Rights Subcommittee. From 2013-2014, Cassie served as Governor-at-Large for the California Women Lawyers Board of Governors. She is also currently on the Executive Committee of the Alameda-Contra Costa County Trial Lawyers Association.


  • 123 Estudillo Avenue, Suite 201
    San Leandro, CA 94577


  • English


  • Sex: Female


  • University of California Berkeley, J.D., graduated 2002
  • University of California Berkeley, B.A., graduated 1999

Bar Admissions

  • California, 2002


  • ABA/LEL Employee Benefits Committee - Immediate Past Co-Chair
  • Alameda-Contra Costa County Trial Lawyers Association - Executive Board Member
  • Joint Committee on Employee Benefits - Labor & Employment Law Section Representative

Court Admissions

  • United States Supreme Court
  • California Supreme Court
  • Ninth Circuit United States Court of Appeals
  • United States District Court, Northern District of California
  • United States District Court, Central District of California
  • United States District Court, Eastern District of California
  • United States District Court, Southern District of California

Recognized in The Best Lawyers in America® 2023 for work in:

  • Employee Benefits (ERISA) Law


  • Northern California SuperLawyers Magazine, selecting Cassie Springer Ayeni as a Top 100 Attorney in Northern California (2015- 2020); Top 50 Women Attorney (2014-2020); Super Lawyer (2013-2020); and “Rising Star” (2010-2012)
  • Minority Bar Coalition’s Unity Award Recipient, October 2018
  • Daily Journal “Top 20 under 40,” January 18, 2012, selecting Cassie Springer as one of California’s top 20 attorneys under the age of 40
  • Recorder, “50 attorneys on the ‘Fast Track’” in the state of California, June 2012
  • America’s Top 100 Attorneys, Lifetime Achievement (2016)

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