Ryan Siemen is the Director of Engineering at Pfizer. They previously held various engineering roles at Mallinckrodt Pharmaceuticals from 2006 to 2009, including R&D Engineer and Senior Process Engineer. They further developed their expertise at Albemarle Corporation as a Unit Leader from 2011 to 2015 and held several leadership positions at Pfizer between 2015 and 2018, ultimately serving as Senior Manager Team Leader of Engineering Systems and Technology. Ryan earned a Bachelor of Science in Chemical Engineering from Michigan State University in 2003.
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