Yoshiki Ninomiya, a founder and former director of TIER IV, is now a Fellow and CSTO. With 30+ years of autonomous driving research at Toyota, he drives innovation and safety. He’s also a specially appointed professor at Nagoya University, supporting TIER IV's academic efforts.

Ko Miyoshi, with expertise in infrastructure projects and private equity, leads TIER IV's corporate strategy and business development for autonomous driving solutions. He holds an MBA from Harvard Business School and a LLB from Keio University.

Daisuke Tanaka is a former Associate Partner at McKinsey and Business Solution Adviser at IBM Japan. His expertise is in company transformation and supply chain management. He has an MBA from Carnegie Mellon and an LLB from the University of Tokyo.

Satoshi Sakaguchi, a CPA, brings extensive experience in financial audit, investment, and corporate management. As CFO of TIER IV since 2018, he oversees finance and administration. He holds a BEc from Kyoto University.