Rebecca Callahan, Esq. is a full-time attorney neutral working in the fields of commercial arbitration and mediation. She is a member of the commercial arbitration and mediation panels of the American Arbitration Association, as well as its the large complex case and international (ICDR) panels. She is a Fellow of the College of Commercial Arbitrators, and a member of the mediation and arbitration panels of the National Academy of Distinguished Neutrals. Rebecca is known for her advance preparation, creative thinking, high energy, and collaborative style, as well as her ability to bring difficult disputes to a close in an efficient, economic, thoughtful and fair manner. She has been appointed as arbitrator in over 150 matters, including several appointments as Chair of a three-arbitrator panel. She has served as mediator in over 1,200 matters.

Rebecca’s experience in dispute resolution covers a broad spectrum of industries, subject matters and disputes, including: breach of contract; bankruptcy reorganization; cannabis licensing, business sales and marketing; cryptocurrency investments and exchange transactions; commercial lending; commercial real property leasing and sale; equipment leasing; intellectual property development, ownership and licensing; insolvency (e.g., preferences, fraudulent transfers and lien priority); purchase and sale of businesses; intra-partner disputes involving accountings, allegations of breach of fiduciary duty, and claims for dissociation and dissolution; financial elder abuse; franchisor-franchisee relations; real property purchase, sale and development; wills and trusts disputes involving trustees versus beneficiaries, and beneficiaries versus beneficiaries; and wills and trusts disputes involving claims of undue influence and will contests.

Rebecca has always been an active member of her local and state bar organizations. Most recently, she has served on the Board of Directors of the Masters Division of the Orange County Bar Association (2021-2022), and previously served a three-year term on the Board of Directors of the Orange County Bar Association (2014-2016), and as Vice Chair and then Chair of the ADR Section (2012 and 2013).

Rebecca has been an adjunct professor, skills trainer and presenter for over 20 years. She has been an adjunct professor at Pepperdine University School of Law since 2010, where she teaches arbitration theory and practice and mediation. She has been on the faculty of the American Arbitration Association since 2011, where she has taught numerous professional skills training courses in arbitration and mediation. Over the years, Rebecca has participated in numerous continuing education conferences and has presented on numerous topics. She is currently a member of a program committee within the American Arbitration Association that is developing a series of training videos on the topic of advocacy in arbitration.

Rebecca convenes matters in-person or by video conferencing, or using a hybrid of both.

Rebecca Callahan

Current CV and Case Summaries