Pixley Arbitration & Mediation Lawyers

Our driving belief is based on old-fashioned advocacy. We are a small Westlake Village-based firm and recognize the importance of being accessible to our clients. We believe in personal attention, and our clients have direct, responsive contact with us. At the Law Offices of Richard J. Uss, we take particular pride in the quality of service that our clients receive. We believe in forming relationships.

Breanna Cornwall is the firm’s founder and managing attorney. Since going into private practice, she has focused on representing clients involved in family law matters including divorce, military divorce, child custody, and spousal support. She also represents clients in obtaining (and defending against) domestic violence restraining orders and civil restraining orders such as civil harassment restraining orders, workplace violence restraining orders, and private postsecondary school violence restraining orders.

Prior to starting her own firm, she had an extensive background as a business owner and entrepreneur. She started and managed a staffing agency and a real estate brokerage. Her business and...

Chuck Stevens joined Phillips ADR after a 40-year career as a litigation partner at Gibson Dunn & Crutcher, U.S. Attorney, and neutral in ADR matters. At Gibson Dunn’s San Francisco office, he served as managing partner for six years and was recognized by Lawdragon (2023 Leading Global Litigators), Benchmark Litigation (2024 Litigation Star), and Chambers (Band 1, California Litigation). He was named San Francisco’s Lawyer of the Year for Bet-the-Company Litigation (2019) by Best Lawyers. Chuck founded a boutique litigation firm, handling complex civil cases and qui tam matters. As a neutral, he mediated for the Eastern District of California’s Voluntary...

Margaret B. Seymour, a retired U.S. District Judge (District of South Carolina, 1998–2022), was the first African American woman federal judge and chief federal judge in South Carolina. She served as a U.S. Magistrate Judge (1996–1998) before her district court appointment. Over 26 years, Judge Seymour presided over complex securities, contract, class action, commercial, banking, bankruptcy, employment, discrimination, and environmental cases, as well as criminal matters like drug conspiracies, white-collar crime, and Ponzi schemes. She sat by designation on the Fourth Circuit and participated in two three-judge-panel redistricting cases. She served twice on the Judicial Conference Committee on the Administration of...

Ann Cook brings a business-focused approach to Phillips ADR, leveraging a decade at Ernst & Young LLP, including two years as General Counsel. Experienced as both plaintiff and defendant, she understands dispute dynamics and has litigated, arbitrated, and mediated cases in accounting, securities, contracts, and employment. A creative problem solver, Ann advised on complex corporate initiatives, balancing risk and business goals, earning recognition as a tenacious leader. At EY, Ann managed legal strategy for a $20B firm with 50,000 employees, overseeing litigation and regulatory matters during high regulatory activity. She advised on public disclosure and bankruptcy issues for over 1,000 public...

Caroline brings extensive mediation and problem-solving expertise to Phillips ADR, drawing from her roles as General Counsel at PricewaterhouseCoopers (PwC) and Principal Deputy White House Counsel. Known for her communication, judgment, and legal acumen, she excels in advising Boards and senior leaders on dispute resolution. At PwC, Caroline managed all legal, regulatory, compliance, and governance matters, handling lawsuits and regulatory issues with potential damages in the billions. She led settlement negotiations and mediations with opposing counsel, clients, and regulators like the SEC and FDIC, while resolving internal conflicts within PwC’s global network. As Principal Deputy White House Counsel under President Obama, she...

Sean Coffey, a Phillips ADR neutral, served as the 24th General Counsel of the Navy (2022–2025), leading over 1,100 attorneys worldwide. Previously a renowned trial lawyer, he handled plaintiff and defense cases in securities, class actions, and complex litigation. At Latham & Watkins, he secured a directed verdict in a bet-the-company case. At Bernstein Litowitz, he led the $6.2 billion WorldCom Securities Litigation recovery. As Chair of Complex Litigation at Kramer Levin, he advised corporate clients. As Navy General Counsel, Sean founded the Taxpayer Advocacy Project and led the exoneration of 256 African American Sailors from the 1944 Port Chicago courts-martial,...