After working as a urology specialist at various hospitals, Dr. Sekiguchi founded Women’s Medical Clinic LUNA in Motomachi, Yokohama. She currently serves as the President of the LUNA Group. With the catchphrase, “Let’s stay active in life until 90,” she pursues women’s healthcare from both Western and Eastern medical perspectives.

Dr. Sekiguchi also serves as the Representative Director of the Japan Femtech Association and is the author of numerous publications. She actively shares information tailored to women’s life stages through television, magazines, and social media.