Leadership

Cliff Caldwell, CEO, comes to CIL with more than 30 years international executive management experience for industrial gas, specialty gas and chemicals serving the electronics, pharmaceutical, chemical, research and high technology industries.

Cliff Caldwell, CEO, comes to CIL with more than 30 years international executive management experience for industrial gas, specialty gas and chemicals serving the electronics, pharmaceutical, chemical, research and high technology industries. Cliff has proven success generating sales, driving organic growth and increasing revenue in highly competitive and saturated markets. He holds a business degree from Pennsylvania State University.

John brings over 30 years of public and private company experience in a wide range of finance and business functions within various industries.

John brings over 30 years of public and private company experience in a wide range of finance and business functions within various industries, having held several senior-level positions from corporate VP, general manager, controller, and senior financial analyst for both national and global corporations.

Prior to joining CIL, John has most recently been working as a director for Danforth Advisors, assisting biotech and pharmaceutical clients to manage and grow their business. Before Danforth, John spent over 22 years with Charles River Laboratories working in various finance roles, including many years as a business unit controller, followed by 11 years managing Charles River’s Avian Vaccine Service business.

Maureen Duffy joined CIL in 1983 and is currently the Chief Revenue Officer.

Maureen has spent her career at CIL having joined the company in 1983 in as Sales Coordinator.  Over the years she has held various Sales Management roles including 22 years as Vice President of Sales and Marketing. Maureen is currently CIL’s Chief Revenue Officer and is responsible for all Global Sales, Marketing, Product and Business Development. During her tenure, Maureen and her team have driven revenue growth; expanded market share and developed stable isotope labeled compound solutions for new market applications. 

Todd Osiek, CSO, is responsible for supporting operations development of best practices in Safety and Quality, working with Sales and Marketing on new-product development, and mapping out strategic directions and opportunities.

Todd Osiek, CSO, is responsible for supporting operations development of best practices in Safety and Quality, working with Sales and Marketing on new-product development, and mapping out strategic directions and opportunities.

Todd comes to CIL with more than 20 years’ experience in the pharmaceutical industry, supporting various stages of development from discovery to marketed products. Most recently, he served as the Director of Analytical Chemistry, Research, at Mallinckrodt Pharmaceuticals, where his team was responsible for all pipeline products, including technical support for method development, transfer, characterization, manufacturing technology transfers, and quality investigations. He received his Bachelor of Science degree in chemistry from St. Louis University and his PhD from Washington University in St. Louis.

As the Vice President of Operations, Warren is responsible for all technical and supply chain functions and consistently delivering value through the delivery of over 15,000 SKUs to CIL's customers around the globe.

As the Vice President of Operations, Warren is responsible for all technical and supply chain functions and consistently delivering value through the delivery of over 15,000 SKUs to CIL’s customers around the globe. He comes with two decades of experience in the chemical industry and most recently was the Vice President of Distribution & Scheduling at Linde Gas, LLC, North America.

Warren holds a Bachelor of Science degree in industrial engineering from Texas A&M University, as well as a Master of Business Administration degree from the University of Phoenix. He also obtained a Six Sigma Black Belt through Linde University.

As VP of Information Technology, Dante is responsible for information systems and information security throughout CIL. Starting in September 2020, Dante has been challenged with implementing a new ERP system and building a team from the ground up.

As VP of Information Technology, Dante is responsible for information systems and information security throughout CIL. Starting in September 2020, Dante has been challenged with implementing a new ERP system and building a team from the ground up. Additionally, he's overseen the rebuilding of the network infrastructure, along with establishment of information security and end-user computing systems. Dante received his Bachelor's of Science in business administration/accounting from Northeastern University and MBA from Boston University.

As Vice President of Project Engineering and Execution, Steiger is the lead project engineer for the major engineering projects at CIL and is responsible for overseeing the engineering requirements for projects and operations. The engineering team then supports and provides expertise for process operations.

As Vice President of Project Engineering and Execution, Steiger is the lead project engineer for the major engineering projects at CIL and is responsible for overseeing the engineering requirements for projects and operations. The engineering team then supports and provides expertise for process operations.

Following graduation in May 2000, Michael joined CIL Isotope Separations (CIS) in Xenia, Ohio, where he was hired to learn and work on startup and operation of the ¹⁸O distillation cascade. Through his years at CIS, he has gained experience through expansions and process development for ¹⁸O distillation, deuterium, deuterated benzene, ¹³C urea, and ¹³C distillation.

Michael holds a Bachelor of Science degree in chemical engineering from the University of Dayton.

Marwan ElMasri is the GMP Production Manager at CIL. He was previously the Assistant Production Manager for Research Products and has over 26 years experience as a professional chemist.

Marwan ElMasri is the GMP Production Manager at CIL. He was previously the Assistant Production Manager for Research Products and has over 26 years experience as a professional chemist.

Marwan is currently a member of the Board of Directors, previously president of the North American chapter and previously president of the International Isotope Society. He was also a member of the American Chemical Society for over 30 years.

Marwan holds a PhD in Medicinal Chemistry from Oklahoma State University, a Masters in Medicinal Chemistry from University of Sussex (UK), and a BSc in Chemistry from University of Baghdad (Iraq).

Joining CIL in January 2016, Jason Reilly is the Director of Human Resources, with 20 years' experience. He received his bachelor's degree from Bentley University and his MBA from Northeastern University.

Joining CIL in January 2016, Jason Reilly is the Director of Human Resources, with 20 years' experience. He received his bachelor's degree from Bentley University and his MBA from Northeastern University.

As the Director of Quality and Regulatory Affairs (2016), Ellen is responsible for the daily operation of the QC and QA/RA groups to ensure compliance with internal procedures as well as regulatory obligations globally. Ellen and her team strive to continually improve all quality and regulatory programs.

As the Director of Quality and Regulatory Affairs (2016), Ellen is responsible for the daily operation of the QC and QA/RA groups to ensure compliance with internal procedures as well as regulatory obligations globally. Ellen and her team strive to continually improve all quality and regulatory programs.

Ellen holds a Bachelor of Science degree in chemistry from Salem State University and a Master in Science degree from Tufts University. She started her career at Polaroid as an analytical chemist in support of their R&D group. After Polaroid she moved to API and OTC supplement manufacturing, supervising and managing the quality control laboratories, as well as preforming various QA-related functions.