Mitsunobu (Nobu) Koshiba
Board Member
Former President, CEO and Chair of JSR Corporation, Japan’s leading semiconductor materials company, until 2021. He is the Co-Founder of Cdots LLC Think Tank and sits on the boards of several blue-chip companies in Japan.
Mr. Koshiba joined JSR (Japan Synthetic Rubber) in 1981 and was assigned to the Tokyo Research Lab as a photoresist research engineer of photoresists. He relocated to Silicon Valley in 1990 to start JSR’s first US electronic materials operation and established JSR as the #1 supplier position of high-performance and quality photoresists to support all major US semiconductor manufacturers.
Mr. Koshiba returned to JSR Japan in 2002 to run the global operations of the fine-chemical sector as a General Manager. He became Executive Officer in 2004, President and CEO in 2009, and Chair of the Board in 2019 until 2021.
Mr. Koshiba joined JSR (Japan Synthetic Rubber) in 1981 and was assigned to the Tokyo Research Lab as a photoresist research engineer of photoresists. He relocated to Silicon Valley in 1990 to start JSR’s first US electronic materials operation and established JSR as the #1 supplier position of high-performance and quality photoresists to support all major US semiconductor manufacturers.
Mr. Koshiba returned to JSR Japan in 2002 to run the global operations of the fine-chemical sector as a General Manager. He became Executive Officer in 2004, President and CEO in 2009, and Chair of the Board in 2019 until 2021.