Abigail R. Brown is the founding attorney for ARB Law Group in Helena, Montana, USA. Abby practices primarily in the area of natural resources law with a particular focus on water resources law. Abby is a certified mediator and facilitator who serves as an impartial third-party for a variety of matters, including environmental and water disputes. Abby is a member of Mediators Beyond Borders International (MMBI) and their Climate Change Team.

Abby holds a Bachelor of Science in Education and Social Policy from Northwestern University and a Master of Arts from the University of Montana. She received her Juris Doctorate with Honors from the University of Montana School of Law and will receive her Master of Law in Water and Environmental Law from McGeorge School of Law in December 2021.