NPB Staff:

Name	Position	Email
Dr. Barry O’Keefe	Chief	okeefeba@mail.nih.gov
Jason Evans	Scientific Programmer	Jason.Evans@nih.gov
Dr. Tanja Grkovic	Visiting Scientist	tanja.grkovic@nih.gov
Carol Haggerty	Repository Coordinator	haggerca@mail.nih.gov
Dr. Brian Peyser	Computational Research Biologist	brian.peyser@nih.gov

Natural Products Support Group

John Britt
Programmer Analyst IV
Information Technology, Robotic Processing, Data Handling, Automation Training

Melissa Kuenhert
Research Associate I
Pre-fractionation
In vitro Drup Prep.
Robotic Programming

Automation Laboratory
(NPNPD Support)

Joseph Carl
Research Associate I
Pre-fractionation
Robotic Programming
Platemaking

Teresa Ewing
Research Technician
Pre-fractionation

Nunnara Masiri
Research Technician
Pre-fractionation

Ekene Okoroafor
Automation Engineering Technician (Post Bac)
Pre-fractionation
Robotic programming

Matt Harris
Research Associate II
3D prototype design and printing, Freeze Dryer Operations, Scale-up Extractions

Production Laboratory

Jerell Thompson
Research Technician
Pre-fractionation, Freeze Dryer Operations, Plant Grinding, Marine Processing, Extract Production, Waste Disposal

Svetlana Hogan
Automation Engineer II
In vitro Drug Prep.
Platemaking, QC

Alexander Marinkosky
Research Technician
In vitro Drug Prep.
Platemaking

Chris Thornburg, PhD
Senior Scientist
Natural Products Isolation and Structure Elucidation, Mass Spectrometry, Microbial Metabolites

Chemistry Laboratory

Rohitesh Kumar, PhD
Scientist II
Natural Products Isolation and Structure Elucidation, Methods Development, Chemical Purity and Identity

Rhone Akee
Research Associate III
Synthesis, Analytical Methods, Chemical Purity and Identity, Scientific Equipment

Rachel Croyle
Chemistry Technician (Post Bac)
Natural Products Isolation and Structure Elucidation

Suzanne Shipley, MSc
Research Associate II
Microbial Isolation & Identification, Large-Scale Fermentation, Culture Optimization

Microbial Laboratory

Terri DeLloyed, MSc
Research Associate II
Viability and Purity Assessments
Cryopreservation
Fermentation

Joyce Darner
Research Associate I
Fermentations, Cryopreservation

Siang Manc
Research Technician
Fermentations, Cryopreservation

Taylor Schweinebraten
Research Technician (Moonshot)
Fermentations, Cryopreservation

Leidos Biomedical Research, Inc.

About the Branch Chief

Dr. Barry R. O’Keefe received a B.S. in Botany from Michigan State University, and a Ph.D. in Pharmacognosy from the University of Illinois at Chicago in 1993. In 1994 he joined the National Cancer Institute’s Laboratory of Drug Discovery Research and Development to study novel proteins from natural products extracts. More…