Keiichi Hishikawa studied at the University School of Medicine in Keio, Japan, and graduated at this institution in 1989. After his studies he became a resident at the Division of Internal Medicine of the University Hospital in Keio. In 1993 Dr. Hishikawa returned to the -University School of Medicine in Keio where he worked as a specialized resident and then moved to Switzerland in 1995 as Postdoctoral Research Fellow, initially at the University of Bern at the Department of Cardiology of the Inselspital and thereafter at the Cardiovascular Research Division of the Institute of Physiology of the University of Zürich. He worked mainly on the effects of pulsatile stretch in endothelial and coronary artery smooth muscle cells. He published seminal papers in Circulation und Circulation Research. In 1997 Dr. Hishikawa returned to Japan initially as a fellow and as of 1998 as an Associate Professor in Pharmacology at Teikyo University School of Medicine in Tokyo.
Since 2002 Keiichi Hishikawa is an Associate Professor at the Departement of Internal Medicine as well as at the Department of Clinical Renal Regeneration at the University of Teikyo, Japan. His research interests encompass regenerative medicine, stem cell biology as well as ES- and inducible progenitor cells.