Sidley Elevates 29 Attorneys to Partnership, Boosts L.A. Team

UPDATE: Sidley has just announced a significant expansion in its leadership, promoting 29 attorneys to partnership, including seven based in Los Angeles. This move, effective January 1, 2026, marks a pivotal moment for the firm as it positions itself for future growth in a competitive legal market.

The newly elected partners represent a diverse range of practices, from global finance to environmental law, showcasing Sidley’s commitment to excellence and client service. “This is an exceptional group of lawyers that have been elected to partner and promoted to counsel,” stated Yvette Ostolaza, chair of Sidley’s Management Committee. “They have earned the trust and respect of our partnership and our valued clients.”

Among the newly promoted partners in Los Angeles are:

  • Shayona Schiely, specializing in debt finance and restructuring, who focuses on representing private equity sponsors and their portfolio companies.
  • Jonathan M. Westreich, a tax expert representing clients in public and private mergers and equity acquisitions, particularly in the sports and entertainment sectors.
  • Caleb J. Bowers, who handles environmental regulatory matters and has extensive experience in compliance for e-commerce and industrial businesses.
  • Alexandria V. Ruiz, focusing on commercial litigation and consumer class actions, noted for her success in complex business disputes.

The firm also promoted 15 attorneys to counsel, further enhancing its capabilities. The Los Angeles counsel includes:

  • Victoria A. Anglin, who provides strategic guidance on investment funds and SEC regulations.
  • Alexandria Daugherty, specializing in white-collar defense and representing clients in high-stakes investigations.
  • Jonathan H. Koh, focusing on a variety of real estate transactions, including leasing and joint ventures.

Brian Fahrney, chair of Sidley’s Executive Committee, emphasized the firm’s sustained growth, stating, “This newly promoted class indicates our continued commitment to fostering talented lawyers who meet client needs.”

As Sidley embarks on this new chapter, the legal community will be watching closely. The firm’s strategic appointments reflect its ambition to adapt and thrive in an evolving legal landscape.

Stay tuned for more updates as Sidley’s new partners begin their roles in shaping the firm’s future.