NVMS trainers are recognized subject matter experts in the field of conflict resolution, each with over 25 years of practical experience. They guide employees at all levels of an organization to integrate conflict resolution competencies that foster productive, thriving work environments. Our trainers hold advanced degrees in law, social work and conflict management, as well as certifications in mediation, facilitation, and a variety of assessment tools.
They love what they do, and they do it with passion. We all look forward to working with you.
Tracey Pilkerton Cairnie, MS, PCC is a court-certified mentor mediator, ICF certified coach, facilitator, and trainer. She specializes in relationship and group dynamics, as well as management and leadership optimization, and she mediates resolutions and provides coaching to individuals and teams. Mrs. Cairnie works closely with her clients to clearly articulate the issues, interests, and desired outcomes. Dispute resolution services include issues in the workplace (EEO, interpersonal relations, intra-agency dynamics), community (land use, tenant/landlord, public policies, HOAs), families (property distribution, parenting plans, custody, visitation, adoptions), business management/labor, contracts, generational planning, change management, strategic planning), and other services as required. Mrs. Cairnie is an adjunct professor at George Mason University where she teaches collaborative communication, mediation, and negotiation skills as well as conflict theory and alternative dispute resolution. She holds an MS in Conflict Analysis and Resolution.
Linda W. Hall is a Supreme Court of Virginia certified mentor mediator. Her company, L.HallAndCo., LLC, provides alternative dispute resolution services, including mediation, arbitration, and conflict resolution and diversity training. In addition to NVMS CRC, she is a lead mediator in the Federal Shared Neutrals Program and a mediator for the Multi-Door Dispute Resolution Division of the District of Columbia Superior Court. Linda is a retired member of the Federal Senior Executive Service. She is a member of the Virginia Mediation Network. She is an associate member of the American Bar Association and Dispute Resolution Section. Ms. Hall received special training in EEO matters and is Safe Zone Trained.
Taylor Piepenhagen graduated from American University’s School of International Service in 2018 with a Bachelor of Arts in International Studies, concentrating in Peace, Conflict Resolution, and Foreign Policy. During her undergraduate studies, Taylor became actively involved in alternative dispute resolution and restorative practices. She was nominated to serve on the Student Conduct Council—a panel composed of students, staff, and faculty tasked with resolving non-academic student conduct cases. In the fall of 2022, Taylor joined NVMS as the Restorative Justice Program Coordinator. She oversaw two Fairfax County court-referred diversion programs: the Alternative Accountability Program (AAP) for juveniles, and Adult Accountability for Safer Communities (AASC) for young adults, in partnership with the Commonwealth Attorney’s Office. Taylor is currently a trainer for NVMS’s restorative justice certification course.
Daniel Rainey is a member of the Board of Directors for NVMS Conflict Resolution Center, a Fellow of the National Center for Technology and Dispute Resolution, a member of the Board of Directors for the InternetBar.Org, and a founding member and founding Board Member of the International Council for Online Dispute Resolution (ICODR). He also serves as the Editor-in-Chief of the International Journal of Online Dispute Resolution. He was one of the instructors for the first online dispute resolution course in the world. He has developed graduate-level ODR courses for several universities in addition to skills-based ODR training for dispute resolution centers and professional associations. He is a member of the Supreme Court of Virginia’s Access to Justice Commission, Self-Represented Litigants Committee, and he is the co-chair of the International Mediation Institute Task Force on E-Mediator Competencies. In October 2017, at the Association for Conflict Resolution annual conference, he received the Mary Parker Follett Award for innovation in dispute resolution.
Nathalie Thompson, MA is a Virginia Supreme Court certified mentor mediator, trainer and professional facilitator. Her expertise includes leadership and management development; executive leadership and team coaching; conflict prevention and resolution, mediation, conflict coaching; Restorative Justice practices; building and restoring working relationships; facilitation of meetings, strategic planning sessions, team retreats; building teams and enhancing teamwork; leadership and management development; career coaching and facilitator training and coaching. Mrs. Thompson has mediated cases in the workplace, court and school systems. She has also developed and designed numerous conflict resolution courses. Her training sessions are hands on, interactive, and incorporate: adult learning principles, experiential exercises, case studies and application planning. She has designed and delivered leadership training programs for thousands of managers and executives in the Communications, Hospitality, Government, Outplacement and other industries. International facilitation experience includes: China, Armenia, Thailand, Australia, United Kingdom, Germany, Mexico and the Caribbean.
Jeannette Twomey is a mediator, facilitator, and conflict resolution trainer in private practice, who has contributed enormously to the development of Alternative Dispute Resolution services in the Commonwealth of Virginia. She has been certified by the Supreme Court of Virginia since 1993 to mediate court referred cases and to teach courses that are part of the statewide certification program. She is a designated Virginia mentor mediator. Most recently, Jeannette was adjunct professor at the Washington College of Law, American University (2006-2015) and served on the Advisory Council, Department of Dispute Resolution Services, Supreme Court of Virginia (2005- 2014). Jeannette served as president of the NVMS Board of Directors from 1996-98. She received the Distinguished Mediator Award from the Virginia Mediation Network in 2014, and Trainer of the Year Award (2009) and Mediator of the Year Award (1994) from NVMS.