Share this article Share this article ST. ALBANS, Vt., May 5, 2021 /PRNewswire/ -- The Board of Directors of Superior Technical Ceramics ("STC" or the "Company"), a middle-market leader in advanced ceramics and portfolio company of Artemis, the Boston-based Industrial Tech firm, announced today that James R. Callan has been appointed President and CEO, effective April 19 th, 2021. Mr. Callan brings more than 30 years of proven advanced manufacturing leadership to STC. Mr. Callan's appointment marks another milestone for STC, which recently announced the bolt-on acquisition of IJ Research, a specialty ceramic bonding and sealing player based in Irvine, California. Since its founding over a century ago, STC has long been recognized as an innovator in advanced ceramic technologies. Since partnering with Artemis in late 2018, the Company has moved to bolster that leadership position – accelerating new material innovations, building out its technical sales and engineering organizations, adding new process capabilities, and focusing its technical partnership model on the most demanding OEM customers and applications in aerospace, defense, analytical instrumentation, and semiconductor.