Kristina M. Johnson, a professor of electrical and computer engineering at the University of Colorado at Â鶹¹ÙÍø since 1985, has been named dean of engineering at Duke University in Durham, N.C., effective August 1999. An internationally known expert in optics, signal processing and computing, Johnson co-founded the Center for Optoelectronic Computing Systems headquartered at CU-Â鶹¹ÙÍø. A joint effort with Colorado State University, the center is funded by the National Science Foundation and the Colorado Advanced Technology Institute.