Tupman Arbitration & Mediation Lawyers

Zev J. Eigen is a labor/employment and entertainment litigator with more than a decade of substantial experience handling complex negotiations, alternative dispute resolution and general contract law. Eigen has developed a particular background in representing clients in the entertainment industry and the restaurant and hospitality industry. He previously served as Senior Counsel to Twentieth Century Fox, where he represented Fox in all facets of its relationships with the entertainment industry labor organizations such as the Screen Actors Guild, the Writers Guild and the Directors Guild. Prior to joining Fox, Eigen worked as an associate with the law firm, Littler Mendelson,...

Danielle Menitove is an independent arbitrator and mediator specializing in commercial and sports-related disputes, including antitrust, employment, intellectual property, gambling, anti-doping, and player-agent issues. Danielle serves as an arbitrator on the Court of Arbitration for Sport in Lausanne, Switzerland, and on the American Arbitration Association’s commercial, consumer, and national sports panels. Before starting her ADR practice, Danielle was a litigator at Skadden, Arps, Slate, Meagher & Flom LLP in New York for over ten years, handling complex litigation in federal and state courts, government investigations, and advisory matters. Her cases involved antitrust, contract breaches, fiduciary duty, and unfair competition. ...

Jeffrey Mishkin, a Phillips ADR neutral, is the former Executive Vice President and Chief Legal Officer of the NBA and head of Skadden’s Sports Practice. He specializes in sports-related disputes involving antitrust, intellectual property, labor, gambling, and commercial matters. At the NBA, Mishkin managed all legal affairs, including litigation, labor relations, commercial transactions, intellectual property, and anti-drug programs, leading collective bargaining and the 1998-1999 NBA labor dispute. At Skadden, he represented major sports organizations like the NFL, NHL, MLB, NCAA, and others, as well as high-profile athletes, including a top-ranked golfer. Now a full-time mediator and arbitrator, Mishkin serves on the Court...

Kimberly Huebner serves as the Insurance Liaison for Phillips ADR, specializing in Directors’ and Officers’ Management Liability and Employment Practices Liability Insurance for companies and public entities. She facilitates communication between insurance carriers and Phillips ADR, reporting to panelists and coordinating further interactions. Before joining Phillips ADR, Kimberly was Vice President of Technical Claims for D&O Claims at AIG Claims, Inc. She tracked litigation trends, analyzed potential exposures, and reported divisional loads. Kimberly evaluated complex claims for strategic resolution and trained colleagues on claims handling, coverage evaluation, and negotiation. Kimberly earned a B.S. in Psychology from Roanoke College and a J.D. from...

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,...

EXPERTISE IN CONFLICT TRANSFORMATION Mari Frank is an attorney, mediator, Certified Information Privacy Professional (CIPP), author, professor, and radio show host in private practice in California and Florida. She worked in the District Attorney’s Office, practiced insurance defense law, and had a general civil law practice. She has successfully resolved thousands of disputes as a neutral since 1985. Ms. Frank was the founding President of the Orange County Chapter of the Society for Professionals in Dispute Resolution-Orange County, California. She served for three years as founding Chair of the State Bar of California Alternative Dispute Resolution Committee She is a...

Robert Bosso has been an attorney in Santa Cruz for over 55 years, after graduating from the University of California Law School in 1964 (top 10% of his class--Law Review Note & Comment Editor) which he followed with two years in U.S. Army Intelligence Corps rising to the rank of Captain in charge of a regional field office. He has experience in trial work (although he no longer does trial work), real estate, water law, business law, and general estate planning areas. He also serves as an Arbitrator and Mediator for other attorneys cases He has served...

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...

Karen Matcke Crosby Attorney / Mediator P.C. 35+ years of legal practice and 15+ years as a mediator. WHY MEDIATION CAN BE SUPERIOR TO COURT By Karen Matcke Crosby (2021) Court litigation exposes parties to great public exposure, expense and long delays in court proceedings. Litigants have little or no control over the procedural process. How a dispute arose in the first place, is given short shrift, failing to consider the parties’ intentions, experience in negotiations (or lack thereof), personality, ego, culture, norms, morals, bullying, customs, or values. What is heard in court is the representing attorney’s version of his client’s legal...

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...