Terry Preshaw, a U.S./Canadian dual citizen, earned her B.A. degree from Grinnell College in 1975 and J.D. degree from the University of Denver College of Law in 1981. She was admitted to the Colorado Bar in 1981, the Law Society of British Columbia in 1985, and the Washington State Bar in 1988. She practices U.S./Canadian immigration and nationality law with her law firm Preshaw & Zisman in Everett, Washington and Vancouver, B.C.

Ms. Preshaw is a member of the American Immigration Lawyers Association (AILA) and has been a frequent speaker at AILA national conferences. She writes and lectures on immigration and transborder business planning issues both in Canada and the U.S. She has appeared on CNN and lectured at HEC (Paris) as an immigration expert.