Ms. Mattern earned her Master of Science in 2019 from Minot State University and received her Bachelor of Arts in 2006 from University of Maryland. Retha is the Director of Education and Membership for the Lignite Energy Council in Bismarck.
Ms. Mattern earned her Master of Science in 2019 from Minot State University and received her Bachelor of Arts in 2006 from University of Maryland. Retha is the Director of Education and Membership for the Lignite Energy Council in Bismarck.