Keita Saito is a seasoned professional in business management and development, currently serving as the Director of Business Management at Diamond Generating Corporation since April 2022. Previously, Saito held various leadership roles at Mitsubishi Corporation from January 2018 to March 2022, including Head of the Water Business Team and Team Leader of Overseas Business Development. Saito's experience also includes directorship positions with South Staffs Water, South Staffordshire Plc, and Aguas CAP, all from April 2020 to March 2022, along with a board member role at TRILITY from May 2014 to April 2018. Saito began a career at Mitsubishi Corporation in April 2004, culminating in a managerial position before transitioning to business development roles. Educationally, Saito holds a Bachelor of Liberal Arts in International Politics from International Christian University, completed in 2004, and attended International Christian University High School from 1996 to 1998.