BCST Staff

Jeremy Mathis, Ph.D., Board Director



Marilee Shelton-Davenport, Ph.D., Senior Program Officer



Ellen Mantus, Ph.D., Scholar



Jessica Wolfman, Research Assistant


Nicholas Rogers, Finance Business Partner


Staff Biographies


Dr. Jeremy Mathis

Jeremy Mathis joined the Academies as the director of the Board on Chemical Sciences and Technology in January 2019. Previously, he served as NOAA congressional fellow in Senator Murkowski’s DC office, while also holding adjunct associate professor positions at Georgetown University and the University of Washington. Prior to his position on the Hill, Jeremy held leadership positions in NOAA—including serving as director of NOAA’s Arctic Research Program from 2015 to 2017 and as director of the Ocean Environment Research Division of NOAA’s Pacific Marine Environmental Laboratory from 2014 to 2015. Before joining NOAA, he directed the University of Alaska Fairbanks’ Ocean Acidification Research Center from 2010 to 2014 and served as an assistant professor at the University of Alaska Fairbanks’ School of Ocean Sciences. Earlier in his career, he worked as a chemical engineer for Citgo Petroleum. Jeremy received his B.S. in chemical engineering from McNeese State University and his Ph.D. in marine chemistry from the University of Miami.


Dr. Marilee Shelton-Davenport

Marilee Shelton-Davenport, Ph.D., is a seasoned science policy program director who joined the Board on Chemical Sciences and Technology (BCST) in at the National Academies of Sciences, Engineering and Medicine in 2016, after 17 years with the National Academies Board on Life Sciences. Marilee has an extensive portfolio of work at the intersection of chemistry, biology, and health including impactful activities that serve a variety of federal agencies. A natural at building bridges and working across traditional siloes, Marilee’s work includes consensus studies and the development of innovative activities and communication approaches to engage a wide breadth of scientists and stakeholders in impactful dialogs related to emerging technologies, environmental health and toxicology, and chemical and biological defense. Marilee received her Ph.D. in Pharmacology from the University of North Carolina at Chapel Hill and her B.S. in Biochemistry from Clemson University.


Dr. Ellen Mantus

Ellen Mantus is a Scholar and Director of the Chemical Sciences Roundtable on the Board of Chemical Sciences and Technology at the National Academies of Sciences, Engineering, and Medicine.  She has almost 20 years of experience as a study director at the National Academies. She has worked on a variety of topics, including chemical alternative assessments, a research agenda for separation science, health implications of various chemical exposures, strategies for applying modern scientific approaches in toxicology and risk assessment, guidance to federal agencies on risk-based decision-making, and barriers to deployment of electric vehicles and associated charging infrastructure. Before joining the National Academies, Dr. Mantus was a project manager with ICF Consulting where she served as a primary reviewer for numerous toxicological studies and provided risk assessment and regulatory support on a wide array of projects. Dr. Mantus received a PhD in chemistry from Cornell University in Ithaca, NY.


Ms. Jessica Wolfman

Jessica Wolfman is a Research Assistant for the Board on Chemical Sciences and Technology. She joined the Academies in August of 2017 as a Senior Program Assistant for both BCST and the Board on Environmental Studies and Toxicology. Jessica graduated Phi Beta Kappa from Dickinson College in May of 2017 with a Bachelor of Science in Earth Sciences and a minor in Mathematics.


Mr. Nicolas D. Rogers

Nicholas D. Rogers is a finance business partner with the Board on Earth Sciences and Resources (BESR) and Board on Chemical Sciences and Technology (BCST) of the National Academies of Sciences, Engineering, and Medicine. He received a B.A. in history (honors), with a focus on the history of science and early American history, from Western Connecticut State University in 2004. He began working for the National Academies in 2006 with BESR and joined the BCST staff in 2018. Nick has received three internal staff awards in recognition of service to the Academies and DELS, one individual award in 2007 for outstanding service, as a member of the financial associate team for service in 2013, and a team award from DELS in 2017. Outside the National Academies, Nick is a volunteer with The First Tee of Greater Washington D.C.