Francesca Vipiana is a full professor in the Department of Electronics and Telecommunications at Politecnico di Torino, Italy. Her research interests include numerical techniques based on the integral equation and method of moment approaches. She received the Lot Shafai Mid-Career Distinguished Award from the IEEE Antennas and Propagation Society in 2017 and she is an associate editor of IEEE Trans. on Antennas and Propagation and of the IEEE Antennas and Propagation Magazine.Zhen Peng is an associate professor in the Electrical and Computer Engineering Department at the University of Illinois at Urbana-Champaign, USA. His research interests include computational and statistical electromagnetics, for example, extreme-scale electromagnetic simulation; physics-oriented statistical wave analysis integrating order and chaos. He has won several best paper awards including Best Electromagnetics Paper Award at 16th European Conference on Antennas and Propagation, IEEE Antenna and Propagation Sergei A. Schelkunoff Transactions Prize Paper Award.