Staff Profiles

Craig Hoffman
Craig is GSL’s Web Engineer. He has worked as an IT Director, senior software engineer, full-stack developer, mountaineering guide, professional photographer, and start-up partner. His first web development and hosting company produced a SaaS ...

Christina Holt
Christina has spent her career developing and supporting the development of a variety of numerical weather prediction systems. In graduate school, she focused on applying data assimilation techniques to global and regional ensemble prediction ...

Ming Hu
Ming is a Research Physical Scientist who played a key role in development and implementation of the NOAA operational Rapid Refresh (RAP) and High Resolution Rapid Refresh (HRRR) prediction systems. Ming also led the ...

Eric James
I joined GSL (then GSD) within the Assimilation and Verification Innovation Division (AVID; formerly the Assimilation and Modeling Branch AMB) in 2010. Since that time, my research interests have revolved around the use of ...

Isidora Jankov
My research is mainly focused on ensemble-based data assimilation, the design of ensemble forecasting systems, and ensemble statistical post-processing. As a part of research related to an ensemble forecasting design, for both data assimilation ...

Shannon Johnston
I am a fan of hockey, outdoors, and everything IT Security! I cut my teeth in the financial industry for 10 years before coming to NOAA. I have extensive experience in the security world ...

Darrel Kingfield
Dr. Kingfield serves as a Senior Scientist in the Weather Informatics and Decision Support (WIDS) Division where he is focused on increasing the impact of services for decision makers through the development of new ...

Christina Kumler
Hello! If you’re looking for someone who loves being outside and whose head is constantly looking into the clouds, then you have found her. I have many hobbies, including photography, triathlon, eating good food, ...

Terra Ladwig
Terra is a Research Physical Scientist focused on data assimilation to improve convective allowing weather prediction for high impact weather events. In particular, she focuses on research and development for cloud and precipitation observations, ...

Ruifang Li
Ruifang works mainly on data assimilation and in transferring HRRRv4/RAPv5 into FV3. We install capabilities required for DA in FV3 including latent heat forcing, cloud analysis and execute real-time and retrospective DA-cycling runs of ...

Sam Liao
Sung Chu Liao (Sam Liao) is a 3D Visualization and Software Developer with experience in System programming and Game development. In addition, he had advanced expertise in UX design and 3D modeling. He is ...

Tony Liao
Tony is a senior research associate and also a senior member of IEEE (Institute of Electrical and Electronics Engineers) education society. Tony currently serves as a Project Manager that focuses on international cooperation, mainly ...

Liaofan Lin
Liaofan joined NOAA/OAR/Global Systems Laboratory as an affiliate of the Cooperative Institute for Research in the Atmosphere (CIRA) in 2019. He is a member of the NOAA Rapid Refresh Forecast System (RRFS) implementation and ...

Robert Lipschutz
Bob Lipschutz received his BS (1974) and MS (1980) in Meteorology from Penn State University. He was a Scientific Assistant in the Atmospheric Physics Section at Argonne National Laboratory from 1974 to 1976, working ...

Huiying Luo
Huiying joins AVID/CIRA and the Data Assimilation Branch. She is working on RRFS-Smoke data assimilation of aerosol-indicating observations for improved regional smoke and fire weather forecasting. Huiying has a Ph.D. in Environmental Engineering, University ...

Matt Mahalik
Matt Mahalik is the lead of GSL’s Program Management Office (PMO), where he leads the organization, coordination, and overall management of GSL’s research portfolio in support of the Office of the Director. His background ...

Jennifer Mahoney
Jennifer Mahoney is the Director of the NOAA’s Global Research Laboratory (GSL). She leads a staff of nearly 200 meteorologists, software engineers, and support staff dedicated to “making forecasts better.” GSL research provides the ...

Kevin Manross
Kevin grew up in NW PA where he experienced the 31 May 1985 tornado outbreak that affected eastern Ohio and Western Pennsylvania and that piqued his interest in severe weather. After getting degrees in ...

Ian McGinnis
Ian develops software for NOAA’s Science on a Sphere project and for GSL’s verification team. He uses C++, Python, OpenCV, Flask, and other technologies to implement features designed to reduce or eliminate complexity for ...

Laura Melling
Laura is a Scientific Analyst in the Verification and Assessment Branch of the AVID Division as well as the CIRES GSL Lead. She performs assessments of aviation weather forecast products for the Federal Aviation ...

William Moninger
Bill is a semi-retired physicist who works on evaluating the skill of weather prediction models. He is also an expert in automated weather observations by commercial aircraft. Prior to that, during his 47-year career ...

Shawn Murdzek
Shawn is a research scientist with the Cooperative Institute for Research in Environmental Sciences (CIRES) whose main focus is studying the impact of assimilating observations from Uncrewed Aircraft Systems (commonly referred to as drones) ...

Scott Nahman
Scott graduated from the University of Colorado Naval ROTC program and served aboard the USS Germantown as the Electronics Material Officer and Electronic Warfare Officer. He began his NOAA career as a contractor working ...