Course Chairs
Renee Collins, RRM — Quantum Mediation, Vancouver
Mark L. Tweedy, KC, C. Med., C. Arb. — Mark Tweedy Mediation + Arbitration, Vancouver
About the Course Chairs

Mark Tweedy was called to the BC bar in 1982. He practiced civil litigation for over 30 years. He started working as mediator in 2004, and devoted his practice to mediation, arbitration, and adjudication in 2015.
Mark received his Chartered Mediator designation in 2017, and his Chartered Arbitrator designation in 2020. He was appointed King's Counsel in 2026.
Mark has mediated over 2,000 civil claims in the following areas: aviation, commercial, construction, personal injury and wrongful death, sexual abuse, and class actions and mass torts.
Mark's arbitration experience includes commercial, construction, and insurance disputes, and personal injury matters. He also has substantial med-arb experience, and as a court appointed adjudicator in class action matters.
Mark is a volunteer with, and a former board member, and a past president of the BC Lawyers Assistance Program. He has assisted in interventions, acts on a pro bono basis as counsel to lawyers in discipline, credentials, and practice standards matters before the Law Society of BC, and acts as a peer counsellor to other lawyers.

Renee Collins’s passion and skill for resolving disputes has been developed over more than 30 years as a practicing lawyer, mediator, senior manager, and legal instructor. She mediates a broad range of disputes, with an emphasis on commercial, insurance, injury, and estate matters. She also provides facilitation services, assisting boards and partnerships with succession planning and governance conflicts.
Renee brings a broad range of legal experience to her mediation practice. Her private practice work included corporate commercial litigation, insurance, medical malpractice, personal injury, family, and estate law. She has worked with all walks of life including executives, board members, members of indigenous communities, educators, entrepreneurs, medical professionals, and private individuals.
In addition to practicing law and mediating, Renee has occupied senior managerial roles with both the Law Society of BC and Mediate BC. At Mediate BC she was the Manager of the Civil and Family Rosters, and in this capacity oversaw all aspects of Roster membership, liaising with law groups, corporations and legal interest groups to raise awareness of and proficiency with mediation. At the Law Society, she was the Manager of Governance and Board Relations, directly supporting the CEO, Benchers and Executive Committee in all aspects of Law Society corporate governance. From 2018–24, she was also a sessional instructor with PLTC, the Law Society's Professional Legal Training Course, teaching a broad range of substantive law and practical skills to newly graduated law students prior to their call to the bar. In 2024, she also served as the Director of PLTC, helping to shepherd the program through leadership transition.
Alongside each of these endeavors, Renee has continued to mediate legal claims and conflicts, facilitate governance and succession planning with boards and partnerships, and coach individuals through times of professional and personal growth.
Renee received her law degree in 1991 and was called to the BC bar in 1992. She did her mediation training through CLEBC as well as the Justice Institute of BC, and is a proud member of the Civil Roster of Mediate BC with the RRM designation. She is also a trained coach, having achieved the Advanced Level coaching training through the Justice Institute. She now teaches CLE's Fundamentals of Mediation with her good friend and colleague, Mark Tweedy, and continues to teach the mediation module of PLTC to the whole PLTC cohort each session.