Dr. Takaki Ishida graduated from Kochi University in 2009, earning his medical license. He began his medical career at Kobe City Medical Center West Hospital in 2012, followed by positions at Hyogo Prefectural Amagasaki Hospital (2013) and Kansai Rosai Hospital (2014). In 2018, Dr. Ishida was appointed as an Assistant Professor at Kobe University Hospital. As part of a collaborative research team at Kobe University Graduate School of Medicine, led by Professor Takayuki Aoi, he contributed to research that successfully created Leydig cells from human iPS cells (induced pluripotent stem cells). This research was published in Endocrinology three years later (in 2021). In 2019, Dr. Ishida further expanded his expertise by joining ILC International Lumbago Clinic. He received specialized training in the United States under Dr. Kevin Pauza and earned certification to perform the Discseel® Procedure. Since 2021, Dr. Takaki Ishida has been practicing at NLC Nonaka Lumbago Clinic, where, in 2023, he was appointed as a director, continuing to offer advanced, minimally invasive treatments for spinal and disc-related conditions.