Dr. Kristen Johansen has been appointed interim chair of the Roy J. Carver Department of Biochemistry, Biophysics, and Molecular Biology, effective February 15, 2016. Dr. Johansen will take over the duties of Dr. Guru Rao who accepted the position of Associate Vice President in the office of VP for Research previously held by Chitra Rajan, who left Iowa State in July 2015.