Called to the Bar in 2011, Preston practices in Winnipeg as an associate at WRMG Law. He practices primarily in the areas of real estate, corporate law, wills and estates, and has represented a number of Indigenous organizations.
Preston graduated from the University of Manitoba with a Bachelor of Arts in 2007. In 2010, he graduated from the University of Manitoba with a Bachelor of Laws. He then articled at Taylor McCaffrey LLP. Following his call to the bar, he worked as a consultant for a number of Indigenous groups. In 2015, he stared his own firm, Blueprint Law, where he worked until joining WRMG Law in 2017.
Preston is a member of the Law Society of Manitoba. He spends his spare time as a father to two great kids and is an avid distance runner.