Superconductor Technologies Inc. announced the appointment of David Vellequette to its board of directors effective December 26, 2017. Vellequette, 61, previously served on STI’s board from 2007 to 2014. Vellequette will serve as Chairman of the Audit Committee and is also designated as STI’s financial expert as defined by The Securities and Exchange Commission (SEC) and NASDAQ guidelines. Also, effective December 26th Dan L. Halvorson has resigned from the company's board of directors as a condition of the terms of his new employment position. David Vellequette most recently served as Senior Vice President of Finance of Avaya.