Math H.J. Bollen grew up in Geulle, The Netherlands, and received the PhD degree in 1989. Currently, he is manager of EMC and Power Quality at STRI, Ludvika, Sweden, and a guest professor at Luleå University of Technology. Math is known for his contributions to power quality analysis through numerous papers, working-group activities, and an earlier textbook, Understanding Power Quality Problems: Voltage Sags and Interruptions, (Wiley-IEEE Press). In 2005, he became an IEEE Fellow for his contributions to methods for reliability and power quality analysis.

Irene Y.H. Gu grew up in Shanghai, China. She moved to The Netherlands in 1988 and received the PhD degree in 1992. Since 1996 she has been with the Department of Signals and Systems, Chalmers University of Technology (Gothenburg, Sweden) and has been a professor in signal processing there since 2004. She is also a guest professor at Shanghai Jiao Tong University (China). Irene Gu and Math Bollen were married in Eindhoven in 1992.