Jason Koski (UREL)Eduardo M. Peñalver will become president of Seattle U. CHIEF EXECUTIVESAppointmentsErika D. Beck, president of California State University-Channel Islands, has been named president of California State University at Northridge. She will succeed Dianne F. Harrison, who plans to retire.Susan R. Burns, vice president for academic affairs and dean of faculty at Clarke University, in Iowa, has been named president of the College of Mount Saint Vincent, in New York. She will succeed Charles L. Flynn Jr., who plans to retire.Dennis Craig, a former interim president of the State University of New York College at Purchase, has been named