Vital Protection. Transformative Potential.

Thomas Logan is the Founder of Mirion, and has served as its Chief Executive Officer since 2005, where he is responsible for all aspects of the company's operations. He has served as a member of Mirion’s Board of Directors since 2005 and as the Chair of the Board since February 2025. Previously, Mr. Logan served as CEO for Global Dosimetry Solutions. Mr. Logan has more than 30 years of energy industry experience. In addition, he has extensive experience within the contract manufacturing and consumer products industries. Mr. Logan holds a Bachelor of Science degree and a Master in Business Administration from Cornell University.

Emmanuelle Lee has served as Deputy General Counsel of Mirion Technologies since 2011 and General Counsel since 2018. Ms. Lee’s prior positions include corporate counsel positions with FrontRange Solutions (now Ivanti) and PeopleSoft (now Oracle), and attorney at the law firm of Ropers Majeski, Kohn & Bentley. In addition, she started her career as a parliamentary aid to the late Xavier de Villepin, a French Senator who represented French expatriates and headed the Senate Committee for Foreign Affairs, Defense, and Armed Forces. Ms. Lee received her Juris Doctor from Santa Clara University, California and her French law degree from Université de Paris II Panthéon-Assas.

Brian Schopfer has served as our Chief Financial Officer since 2020. Mr. Schopfer joined Mirion in 2015 and previously served as Mirion’s Executive and Senior Vice President of Business Transformation. In February 2018, Mr. Schopfer left Mirion and joined Omnimax International, a building products company, where he served as Chief Financial Officer of North America until March 2019. Mr. Schopfer rejoined Mirion in March 2019. Prior to joining Mirion, Mr. Schopfer served as Chief Financial Officer for Hillphoenix (part of the Dover Corporation), a commercial refrigeration manufacturer, from 2014 to 2015. Mr. Schopfer also served as the Director of Financial Planning and Analysis for the Dover Corporation, a global manufacturing company, from 2013 to 2014. Mr. Schopfer received a B.S. in Finance and Marketing from the University of Pittsburgh.

Shelia Webb was named Chief Digital Officer in October 2023. Prior to this role, Shelia served as Chief Technology Officer from July 2019. She was previously the Spectroscopy Division (now part of the Mirion Technologies Group) President for three years. Prior to the Canberra acquisition, she served as Vice President of Engineering for Canberra Industries. Throughout the past twenty-three years, she held a series of management positions within Canberra in Product Management, Product Development and Services. She began her career in Oak Ridge, TN managing a Radiochemistry Laboratory while working for Lockheed-Martin Energy Systems in the Analytical Chemistry Division. She holds Bachelor of Science degrees from Tennessee Wesleyan University.

Loic Eloy has served as our Technologies Group President since 2022. Mr. Eloy joined Mirion in 2015 and previously served as Vice President of Mirion’s Detection and Measurement (Health Physics) Division from 2015 to 2019 and President of Mirion’s Radiation Monitoring Systems Division from 2019 to 2022. Prior to joining Mirion, Mr. Eloy served as Director of Finance and Accounting of Areva from February 2008 to February 2012, and then Commercial Director from February 2012 to January 2015. Prior to 2008, Mr. Eloy held various finance and commercial positions with Siemens. Mr. Eloy received an MBA from the Universidad Panamericana and a bachelor’s degree in Finance, Administration, Economics and Marketing from the University of Lyon.

Alison Ulrich was named Chief Human Resources Officer in April 2022. Prior to becoming CHRO, Alison served as the Global HR Director for Mirion and was responsible for managing and building the HR function to support our growing employee base, leading our global HR initiatives and policies, and implementing programs to elevate the employee experience across the board. Alison has been with Mirion since 2004.

James Cocks was named Chief Technology Officer in October 2023. Previously, he assumed the role of Chief Product Officer since July 2022. Prior to this role, James served as North America Detection & Measurement Division President for three years and, for three years prior to that, Characterization Division President. James also served as Chief Technology Officer for Canberra Industries before its acquisition by Mirion in 2016. During his 18 years with the company, he held management positions in Product Management, Engineering and Business Development. He began his career as a Research Physicist working at the Accelerator Laboratory at University of Jyväskylä, Finland. He holds a PhD in Nuclear Physics from Liverpool, UK and an MBA from Henley Business School, UK.

Erin Schesny was named Chief Marketing Officer in October 2023. Prior to this role, Erin served as Vice President of Integrated Marketing from October 2022 to oversee Mirion’s product launch and downstream marketing efforts. Erin joined Sun Nuclear Corporation in January 2019 as the Senior Director of Marketing, responsible for developing a functional marketing organization and deploying strategic, multi-channel initiatives. After the acquisition of Sun Nuclear in 2021, Mirion shifted to a group operating model and Erin led the rebranding strategy for the Mirion Medical Group. Erin has over 18 years of experience in the radiation therapy industry having held various marketing leadership roles with Elekta and ViewRay. Erin earned a Bachelor of Arts degree in Communication from Randolph-Macon Women’s College.

Mark Siviter was named Mirion’s inaugural Chief Revenue Officer (CRO) in August 2024. As CRO, Mark is the architect for Mirion’s comprehensive sales strategy, encompassing both Medical and Technologies sales, responsible for increasing the organic revenue growth of Mirion and all end markets.

Mark joined Sun Nuclear Corporation in 2005 and has been with Mirion since the acquisition of Sun Nuclear in 2021. During his tenure, Mark has served as Vice President of Sales and Head of Commercial for the Mirion Medical group as well as Vice President of International Sales. He holds a Bachelor of Arts in Marketing from Stetson University.

Christopher Moore has served as Mirion’s Chief Accounting Officer since March 28, 2022. Prior to joining Mirion, Mr. Moore served as Global Controller of Lime Transportation, a non-public technology company, from October 2021 to March 2022. Mr. Moore also served as Global Corporate Controller of Carestream Dental, a non-public healthcare company, from October 2019 to October 2021. Mr. Moore previously served as Global Business Controller - Renewable Energy of General Electric, a public industrials company, from June 2017 to October 2019. Mr. Moore received a Bachelor of Business Administration from the University of Michigan.