Toshiaki Tanigaki is Project Leader at the Center for Exploratory Research, Research and Development Group, Hitachi, Ltd., Japan. He completed his PhD at Ritsumeikan University, Japan in 2004. In 2010, Dr. Tanigaki became a visiting researcher at RIKEN, Japan in a group of Dr. Akira Tonomura through the FIRST Tonomura program from 2010 to 2014. In 2014, he became a researcher of Hitachi. In 2019, he became a Project Leader at the Center for Exploratory Research. His current research interests are applications of 1.2-MV holography electron microscope with aberration corrector and the developments of electron holography for three-dimensional observation, high-precision and high-resolution observations of electromagnetic fields, and its applications to fundamental physics, material science, and industrial development. In 2023, he received “Seto Aword” from The Japanese Society of Microscopy.