JJ Garcia-Luna-Aceves leads a team of researchers at UCSC and six other universities in developing ad-hoc wireless networking. Holger Schmidt directs the Applied Optics Group and the W.M. Keck Center for Nanoscale Optofluidics. Jose Renau directs the first-ever OpenSPARC Center of Excellence. Systems faculty at UC Santa Cruz Katia Obraczka leads the Inter-Networking Research Group, which integrates sensors and networks to understand the environment. For their senior capstone design project, a team of engineering undergraduates builds a lightweight bionic exoskeleton Applied Mathematics & Statistics Ed Green is interested in the evolutionary history of humans and their extinct relatives.