Biography Dr. Fifield is an experienced materials scientist and research leader interested in material synthesis, formulation, processing, characterization, application, simulation, and lifetime prediction. He leads nuclear cable aging research at PNNL for the Light Water Reactor Sustainability...

Research Interests Lipidomics (environment and human systems) Mass spectrometry

Biography Kristin Burnum-Johnson is a senior scientist and team lead of the Biomolecular Pathways team at PNNL. Burnum-Johnson earned her PhD in Biochemistry from Vanderbilt University with Professor Richard M. Caprioli and then completed a postdoctoral fellowship at PNNL with Dr. Richard D. Smith...

Biography Young-Mo Kim is a senior bioanalytical chemist at PNNL. He received his PhD from Pohang University of Science and Technology in the School of Environmental Science and Engineering, studying analysis of metabolites during the bacterial and fungal degradation of xenobiotic substrates using...

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Andrea is a Post Masters Research Associate at PNNL. She is recently working on the CEDS project, tracking and analyzing historical anthropogenic emissions. Before joining JGCRI, she received her master's in Renewable and Clean Energy and bachelor's in Mechanical Engineering from the University of...

Sneha Couvillion’s current research focuses on deciphering microbial metabolic activity and interactions using a combination of powerful mass-spectrometry (MS)-based omics methods (metabolomics, lipidomics, and proteomics) in a variety of environmental and human health related projects. Expertise...

Biography Dr. Pubudu Handakumbura is the lead on the Plant and Ecosystem Phenotyping team in PNNL’s Environmental Molecular Sciences Division and the Environmental Molecular Sciences Laboratory (EMSL) user program. She has extensive experience in advanced molecular biology techniques, genetic...

Biography Ernesto Nakayasu is a senior research scientist focused on understanding molecular mechanisms of diseases. Nakayasu has been applying systems biology and mass spectrometry-based omics measurements to study how pathogens and metabolic alterations cause human diseases; the goal is to...

PerCon SFA, Co-Investigator Vivian Lin earned her PhD in organic chemistry from the University of California, Berkeley with Professor Chris Chang, developing fluorescent probes for imaging redox active small molecules. Afterward, she traveled to Switzerland for a postdoctoral fellowship in the...

Larry is involved in all aspects of Steri-Tek’s business, technical, and sales-side of the company. His cross-functional management background and extensive knowledge and experience in radiation sterilization, and its various applications, has enabled Steri-Tek to become a leader in the industry...

Emily Craven has spent the last 20 years finding better ways to use radiation for industrial applications. An engineering physicist and licensed Professional Engineer by training, Emily is a recognized expert in gamma, electron beam and x-ray sterilization. She has been a radiation physicist and a...

Dr. Aditi Sengupta is a soil microbial ecologist working on resolving carbon biogeochemistry dynamics at terrestrial-aquatic interfaces. Her research interests span soil microbial ecology of oligotrophic systems, plant-soil-microbe interactions, and marginal soil research.

Dr. Stegen has worked at PNNL since 2011. He is a Co-principal Investigator for PNNL’s DOE-funded Subsurface Biogeochemical Research-Science Focus Area project. He is also a principal investigator on a number of other projects focused on environmental sciences, with a particular emphasis on...

Materials Scientist and Bioengineer with extensive experience in Microfabrication, Biofilm engineering, Microfluidics and Microbiology assay development. Primary areas of interest include photolithography, microfluidics, Biological imaging and Biomaterials.