Angel Diéguez was born in Barcelona in 1970. He received Graduate and Doctorate degrees in physics from the University of Barcelona, Barcelona, Spain, in 1993 and 1999, respectively. Since 2001, he has been a professor with the Department of Electronics and Biomedical Engineering, University of Barcelona, where he carries out research on VLSI circuits and systems in biomedical, instrumentation and high-energy physics. He has authored or coauthored >100 articles in international peer-reviewed journals and has contributed to more than 200 conferences. During his time at the University of Barcelona, he has supervised nine Ph.D. students and 28 Master’s and Graduate projects. He has participated in eight European projects and eighteen national projects. He has been the coordinator of three national projects involving the development of new technologies for future colliders in particle physics, during which he developed the origin of the SPAD technology used in this paper. He has carried out technology transfer activities, participating in 10 R&D contracts. Three of these contracts targeted the use of SPAD technology in the biomedical field. Diéguez has coauthored four patents.