Juan M. Carrillo received his B.Sc., M.Sc., and Ph.D. degrees in electronic physics from the University of Extremadura, in 1996, 2000, and 2002, respectively. From 1997 to 2000, he was a Ph.D. Student with the Department of Electrical, Electronic and Automation Engineering, University of Extremadura, on a grant from the Spanish Research and Development Plan. From 2000 to 2009, he was an Assistant Professor with the Department of Electrical, Electronic and Automation Engineering, where he is currently an Associate Professor. He has spent different research stays with the Department of Electrical Engineering, Texas A&M University, College Station, TX, USA, in 1998; the Department of IC Design-Analog Systems, Fraunhofer Institute for Integrated circuits, Erlangen, Germany, from 2004 to 2005; and the Department of Electronics, University of Pavia, Pavia, Italy, in 2007. His research interests include low-voltage analog and mixed-signal integrated circuit design for IoT, energy harvesting, and biomedical applications.