Dr. Hrynkiv has been an Assistant and Associate Professor at UH-Downtown since 2008. He has also taught calculus, algebra, and finite mathematics courses at the University of Tennessee, and Tennessee Technical University. Dr. Hrynkiv has published several articles in various math journals. He has applied for and received many grants while working at UH-Downtown. He was a participant in Teaching Circles at UH-Downtown in Fall 2014 and Spring 2015. He also received the Graduate Student Achievement Award from the University of Tennessee-Knoxville in 2006.