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...

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...

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...

Data Science & Biostatistics

Dr. Paul Piehowski is the Proteomics team leader for PNNL’s Environmental and Molecular Sciences Division and the Environmental Molecular Sciences Laboratory (EMSL) user program. Piehowski is an analytical chemist whose research is focused on the application of mass spectrometry to biological...

Earth Scientist Emily Graham is an quantitative ecosystem ecologist in the Biological Sciences Group at PNNL and is part of the Ecosystem Science Team. She is co-principal investigator of the Subsurface Biogeochemical Research Science Focus Area (SFA) and a key member of PNNL’s soil microbiome SFA...

Colin works in microbial ecology, focusing on informatics and visualization. Education: BS - Biology and Informatics - Juniata College

Koichi Sakaguchi received his Ph.D. degree in Hydrometeorology in 2013 from the University of Arizona and joined PNNL in the same year. His main research interests are process coupling within and at the boundaries of the atmosphere, in particular through the processes related to turbulence. His...

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...

Earth Scientist at PNNL Disciplines and Skills: Biogeochemical Cycles Carbon Cycle Isotopes Microbial Communities Microbial Ecology Microbiology Microbiome Science Nitrogen Education: Morningside College: Bachelor of Science, Biology

Lindsey Anderson’s research has been dedicated to the identification and characterization of novel, targeted and non-targeted, functional metabolic interactions using a high-throughput systems biology and computational biology approach. Her expertise in functional metabolism and multidisciplinary...

Tom Metz is a Principal Investigator within the Integrative Omics group at PNNL and the Metabolomics Team Lead for a group of scientists that focuses on development and applications of high throughput metabolomics and lipidomics methods to various biological questions. He has worked to develop state...

Aaron Wright leads the Chemical Biology & Exposure Sciences Group in the Biological Sciences Division at PNNL. His highly collaborative and diverse chemical biology research team is focused on gaining an improved functional and mechanistic understanding of biological processes including: (a)...