Sumito joined North in 2018 and is Senior Executive.

Sumito joined North in October 2018 and works in the Marketing Team in Japan office. Before joining North he worked for Japan P&I Club for 23 years in Tokyo and for Imabari office as an Underwriter. He obtained a B.A. for navigation as a deck officer in Tokyo University of Merchant Marine and the seamen's competency certificate in 1995.