PDF Solutions, Inc. announced that Dr. Gerald (Zhiyao) Yin joined the company's Board of Directors effective at the company's annual meeting of stockholders on May 29, 2018. Dr. Yin was immediately appointed as a member of the Audit and Corporate Governance, the Compensation, and the Nominating Committees of the board. Dr. Yin is currently Chairman and Chief Executive Officer of Advanced Micro-Fabrication Equipment Inc. (AMEC).He also currently serves on the Board of Directors of PDF Solutions Semiconductor Technology (Shanghai) Company Ltd.