Sen Sakaguchi

Hokendohjinsha, Inc. engages in the health consultation service. It also provides web site production service and publish medical related books and magazines. The company was founded on June 1, 1946 and is headquartered in Tokyo, Japan.

Human Associates Holdings, Inc. operates as a holdings company that handles the management of its group companies which are in mental healthcare business and recruitment services. It operates through the following business segments: Mental Health Care, Human Resources Introduction, and Human Resources Development. The Mental Health Care segment provides mental health care, stress checks and follow-up services, and various other training programs. The Human Resources Introduction segment offers paid employment placement business centered on management, middle management, professionals, and global human resources for recruiting companies. The Human Resources Development segment provides business training in Japan and overseas, multilingual online education business, and assessment. The company was founded in March 1990 and is headquartered in Tokyo, Japan.