inTEST Corporation announced that Robert E. Matthiessen, Executive Chairman, President & CEO, will retire from his positions as President & CEO at the end of 2017. Mr. Matthiessen will continue to serve as inTEST's Chairman of the Board. The Board of Directors has appointed James Pelrin as the company's next President & CEO, effective January 1, 2018. Mr. Pelrin currently serves as Executive Vice President & Chief Operating Officer, and is a Director of the Company.