Applied Mathematics & Statistics Stephen Petersen works with students on the Greenwharf project, a low-impact marine microgrid energy system. Ed Green is interested in the evolutionary history of humans and their extinct relatives. Katia Obraczka leads the Inter-Networking Research Group, which integrates sensors and networks to understand the environment. Artificial Intelligence faculty at UC Santa Cruz The Bionics Lab, led by Jacob Rosen, develops wearable robots, exoskeletons and surgical robots. Holger Schmidt directs the Applied Optics Group and the W.M. Keck Center for Nanoscale Optofluidics. Sri Kurniawan designs and evaluates interactive systems that help people with special needs.