Hidenori Sonoda holds an honorary appointment as research associate at the University of Iowa. His work is concerned with quantum field theory, especially the exact renormalization group. He received his Ph.D. in physics from the California Institute of Technology in 1985. After his postdoctoral experiences at the Lawrence Berkeley National Laboratory and at the physics department of Harvard University, he became an assistant professor at the physics department of the University of California, Los Angeles (UCLA) in 1989. He moved to Japan as an associate professor at Kobe University in 1997 and retired there in 2024. Kayhan Ülker is a professor at Mimar Sinan Fine Arts University, Türkiye. His work is concerned with quantum field theory with particular emphasis on its supersymmetric and/or non-commutative extensions. He received his Ph.D. in physics from Istanbul Technical University in 2002. He was a researcher at the Feza Gürsey Institute from 2003 to 2011, and served as a vice director from December 2009 to 2011 and the director in 2011. He has served in the current position since 2012, and was the director of the Design, Art, Science Platform from 2018 to 2019, the department head from 2012 to 2020 and from 2025, and a vice rector from 2013 to 2019. He was awarded the young scientist award from the Turkish Academy of Sciences in 2009.