Prof. Hara is the Associate Professor at the Division of Cardiovascular Medicine, Toho University Ohashi Medical Center. He is specialize in doing PCI, EVT, and SHD intervention such as ASD/PFO/PVL closure, PTMC and BAV etc. Proctor for Occlutech PLD device, one of operators for Watchman Japan trial. He is also the Pesident of Structure Club Japan.