He received his Ph.D. degree in Electrical Engineering from Washington University in St. Louis in 2011. He was a Post-doctoral Research Associate at the Department of Electrical and Computer Engineering, University of Wisconsin-Madison in 2011–2013, and a visiting scholar at University of California, Berkley in 2013. Gongguo’s research interests are in the area of signal processing, convex optimization, machine learning, and their applications in data analysis, optics, imaging, and networks.