Volver a Blog Carlos Ruiz Zamarreño May 14, 2022 Carlos Ruiz Zamarreño received the Ph.D. degree in Communications from the Public University of Navarra (UPNA) in 2009. He became Associate Professor at the UPNA in 2012, where he holds the position of Director of the IEEC Department. He has coauthored more than 150 research papers, 2 patents and has participated in more than 20 research projects, being the cofounder of two spin-off companies.