Torii graduated from the School of Veterinary Medicine at Hokkaido University.
After working as a veterinarian, he moved to sales and marketing at Eli Lilly and Company. Then, after completing an MBA, he started a new career at Elanco. In his role in the Corporate Planning department, he was in charge of the Eli Lilly and Company spin-off project, the Bayer integration project, and the development of corporate strategy.
In 2020, Torii joined KII as a venture capitalist specializing in the medical healthcare field. He specializes in BtoB businesses, developing marketing strategies based on HCPs and patient insights, which have stakeholders in the drug discovery, medical device, healthcare professional (HCP), and pharmaceutical fields.