ATLANTA–(BUSINESS WIRE)–Mirion (NYSE: MIR), a global leader in radiation detection, measurement, analysis and monitoring solutions for the nuclear, medical, defense and research end markets, today announced three new leadership appointments supporting the company’s continued focus on safety, innovation, operational excellence and long-term growth. Chief Nuclear Officer: Tighe Smith Mirion has promoted Tighe Smith to the newly created role of Chief Nuclear Officer. Reporting to Thomas Logan, M