Tosoh Announces Changes to Its Representative Directors

Tokyo, Japan—Tosoh Corporation announces changes to its Representative Directors as decided during a meeting of its members held the same day, on May 10, 2017.

The decision will be made official at a meeting of the Board of Directors following the conclusion of the Company’s 118th ordinary general meeting of shareholders scheduled to be held on June 28, 2017.

Details of changes

New Previous
Katsushi Tashiro Representative Director Director
Sukehiro Itoh To retire from the position Representative Director

Mr. Katsushi Tashiro began his career with Tosoh Corporation in 1981 after graduating from Kyushu University, where he received a Master’s Degree in chemical mechanical engineering.

In 2000, Mr. Tashiro became the manager of Process Technology at the Company’s Nanyo Technology Center Technology department. In 2005, when went on to the Yokkaichi Complex to manage Ethylene operations in Ethylene & Energy Production, eventually becoming the manager of the later. In addition to that, Mr. Tashiro became an associate director of the Company in 2009. At the same time, he was appointed deputy senior general manager of Yokkaichi Complex, where he also managed Planning & Coordination. In 2010, Mr. Tashiro was added to the board of executive managing directors of Nippon Polyurethane Co., Ltd.*

In 2013, Mr. Tashiro, became a director of Tosoh Corporation and, in addition to his roles at Yokkaichi Complex, became the leader of the Company’s Safety Reform & Advancement team. Mr. Tashiro became the senior general manager of Yokkaichi Complex in 2014.

In 2015, Mr. Tashiro was made a managing director of Tosoh Corporation and became the senior general manager of Nanyo Complex, a position which he currently holds.

In 2016, Mr. Tashiro was appointed as a director and executive vice president of Tosoh Corporation.

*Nippon Polyurethane Co., Ltd. merged with Tosoh Corporation on October 1, 2014.



Tosoh is the parent of the Tosoh Group, which comprises over 100 companies worldwide and a multiethnic workforce of over 12,000 people and generated net sales of ¥743.0  billion (US$6.9 billion at the average rate of ¥108.35 to the US dollar) in fiscal 2017, ended March 31, 2017.


Tosoh is one of the largest chlor-alkali manufacturers in Asia. The company supplies the plastic resins and an array of the basic chemicals that support modern life. Tosoh’s petrochemical operations supply ethylene, polyethylene, and functional polymers, while its advanced materials business serves the global semiconductor, display, and solar industries. Tosoh has also pioneered sophisticated bioscience systems that are used for the monitoring of life-threatening diseases. In addition, Tosoh demonstrates its commitment to a sustainable future in part by manufacturing a variety of eco-products.

Stock Exchange Ticker Symbol: 4042


This document may contain forward-looking statements, including, without limitation, statements concerning product development, objectives, goals, and commercial introductions, which involve certain risks and uncertainties. Forward-looking statements are identified through the use of the word anticipates and other words of similar meaning. Actual results may differ significantly from the results expressed in forward-looking statements.

For more information, please contact


Jeff Markley
International Corporate Development
Tosoh Corporation
Tel: +81 3 5427 5118
Fax: +81 3 5427 5198