(UNK)- Graduate and undergraduate degrees will be conferred for 427 students at University of Nebraska at Kearney winter commencement exercises at 10 a.m. Friday at the UNK Health and Sports Center. Distinguished alumnus and CEO of Adjuvance Technologies and Great Plains Biotechnology, Dr. J. Tyler Martin Sr. will address the graduates. Martin obtained his M.D. from the University of Nebraska College of Medicine after earning his bachelor's degree in chemistry from UNK in 1981. He was a resident in pediatrics at UNMC before accepting a fellowship in pediatric infectious diseases and molecular microbiology at Washington University in St. Louis. He returned to Nebraska and founded Great Plains Biotechnology in Lincoln in 2013 and has since become CEO and director of Adjuvance Technologies in New York. Martin's current businesses build off his expertise in biotechnology, developing therapeutic vaccines and commercializing immunotherapeutics. His pioneering research has focused on improving vaccines and antibiotics, building HIV clinical programs, and stem cell gene therapy. Martin is from Hebron and currently lives near Roca. Jared Pettit will give the senior class reflection. A construction management major from Kearney, Pettit is a staff sergeant in the Nebraska Army National Guard where he is a transportation coordinator. He previously served as a squad leader in the U.S. Army for 12 months in Iraq. He is a 10-year member of the Kearney Volunteer Fire Department, now holding the rank of lieutenant, and he is a certified emergency medical responder. Doors to the UNK Health and Sports Center will open at 8:30 a.m. Parking in the west lots is encouraged. Visitors with handicap parking permits can park east of the Health and Sports Center. Family members transporting a handicapped person will have access to drop off the person on the east side of the complex, but will need to move their vehicle to another lot. For those unable to attend in person, UNK commencement ceremonies are webcast at www.unk.edu.