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Home » Staff Profiles

GSL Staff Profiles

Ravan Ahmadov

My research has been focused on the simulation of air pollution from various natural and anthropogenic sources. Currently, I am working on improving fire weather and atmos...

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Curtis Alexander

Dr. Curtis Alexander (NOAA/OAR/GSL) received his undergraduate and graduate degrees from The Pennsylvania State University (1999) and the University of Oklahoma (2002, 20...

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Randy Barnett

Randy Barnett IT Operations Manager   Education B.S. Computer Information Systems - Regis University (1994) M.S. Computer Information Systems - Regis University (2000)   Ex...

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Leon Benjamin

Specializing in observational weather data processing for instruments from the ground up including meteorological and hydrological surface, aircraft, profiler, and other o...

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Stan Benjamin

Stan is a partially retired senior scientist for CIRES at the NOAA Global Systems Lab. Stan grew up in the DC area but also lived in Canada for 2 years during elementary ...

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Ligia Bernardet

My work straddles the interface between research and operations in numerical weather prediction. As the Chief of the GSL Earth Prediction Advancement Division, I contribut...

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Rainer Bleck

After writing a (borderline mediocre) Ph.D. thesis on the use of isentropic trajectories to diagnose vertical motion in the extratropical atmosphere, Rainer’s career starte...

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Susan Cobb

I lead communications for the NOAA Global Systems Laboratory. Research Interests • Science communications • Aviation weather forecasting • Severe weather forecasting • So...

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Jeffrey Duda

I grew up in Iowa and developed a penchant for weather at a young age watching severe weather roll through during the spring and summer (TWC was one of my most-watched ch...

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Jason English

I started working in GSL in 2015, where I conducted Observing System Simulation Experiments (OSSEs) to evaluate the impacts of targeted dropsondes on winter storm forecasts...

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Ken Fenton

Ken Fenton, Physical Scientist, FAA Program Manager Ken Fenton is a Physical Scientist at NOAA’s Global Systems Laboratory (GSL) and works in the Forecast Impact and Quali...

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Jenny Fox

Bio I am from Boulder, CO and am living in the same house that I grew up in.  I have always loved to travel, and after working as IT support at the Aeronomy Laboratory (the...

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Guoqing Ge

Dr. Guoqing Ge’s work focuses on developing and testing modifications in data assimilation for numerical models. He maintained the community version and provided community ...

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Penny L Granville

Penny Granville has been GSL’s Administrative Officer since 2005. She manages the administrative staff working on Facility Access, Deemed Exports, and Property accountabil...

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Ben Green

Born and raised in Silver Spring, Maryland, I became interested in meteorology at a very young age. I pursued this interest after high school, obtaining three degrees (B.S....

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Georg A Grell

Dr. Georg Grell received his Ph.D. as a collaborative dissertation (NCAR and the University of Miami) in 1988. He first worked at NCAR before coming to NOAA - Forecast Sy...

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Shilpi Gupta

Education • M.S. Computer Science, University of Kentucky, 2006 • B.S. Computer Science, University of Kentucky, 2003 • B.S. Art Studio, University of Kentucky, 2003 • Mi...

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Venita Hagerty

Venita is a Software Engineer in the AVID Verification group. She grew up in Southern California, tried out the DC area for a few years, and then moved back West. She has...

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Jeff Hamilton

Jeff Hamilton Jeff developed a love for meteorology at an early age and was fortunate enough to live in different areas of the country with extreme weather growing up. Se...

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Nathan Hardin

Nate is a Research Physical Scientist specializing in helping National Weather Service National Centers and International partners develop and implement new operational t...

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Edward Hartnett

I am the author of NetCDF-4, a freely available software library for scientific data, used by NASA, NOAA, the ESA, and climate and meteorology scientists around the world. ...

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Siwei He

Name Siwei He Research Scientist I at CIRES Bio  My research mainly focuses on the land surface modeling, especially on the subgrid processes and snow processes. I have ...

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Craig Hoffman

Craig is currently GSL's webmaster. He has worked as an IT Director, senior software engineer, full-stack developer, a mountaineering guide, a professional photographer, an...

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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 ...

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Kirk L Holub

Kirk Holub IT Specialist I am an aerospace engineer and computer scientist who served for 11 years as a civilian research scientist supporting multiple national defense pr...

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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...

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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, ...

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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 resea...

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Shannon M Johnston

Bio 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...

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Darrel Kingfield

Darrel Kingfield, Ph.D. has been with NOAA since 2007 where he has worked at the  intersection of National Weather Service (NWS) watch/warning evolution, hazardous weathe...

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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 ...

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Ruifang Li

I work in AVID mainly on data assimilation, I am involved in transferring HRRRv4/RAPv5 into FV3. We install capabilities required for DA in FV3 including latent heat forc...

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Sung-Chu Liao

3D Visualization & Software Developer Sung Chu Liao (Sam Liao) is a 3D Visualization & Software Developer with experience in System programming and Game development...

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Tony Liao

Tony Liao, Ph.D., is a senior research associate of ATD (Advanced Technologies Division). He is also a senior member of IEEE (Institute of Electrical and Electronics Engine...

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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 ...

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Robert C Lipschutz

Bio 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 Argonn...

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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 dedi...

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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 we...

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Ian Mcginnis

Ian develops software for NOAA's Science on a Sphere project and for GSL/AVID’s verification team. He uses C++, Python, OpenCV, Flask, and other technologies to implement f...

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William R 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 aircra...

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Raffaele Montuoro

Raffaele has been leading design and software development efforts aimed at building NOAA’s next-generation operational forecasting systems for atmospheric chemistry, air qu...

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Shawn Murdzek

Shawn is a National Research Council Postdoctoral Associate studying the impact of assimilating observations from Uncrewed Aircraft Systems (commonly referred to as drones)...

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Sylvia Murphy

Titles:  • GSL CIRES lead • FACETs Program Manager • WISE Project Manager, Budget Analyst, CIRES supervisor Sylvia began her career as a Surface Warfare Officer and Ocean...

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Scott Nahman

Scott Nahman graduated from the University of Colorado Naval ROTC program and served aboard the USS Germantown as the Electronics Material Officer and Electronic Warfare O...

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Daniel Nietfeld

Profile Daniel is the Chief of the Weather Informatics and Decision Support (WIDS) Division at GSL. His background is rooted in integrating science (physical science and so...

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Joseph B Olson

Joe is the primary developer of the boundary layer and surface layer schemes used in the operational Rapid Refresh (RAP) and High-Resolution Rapid Refresh (HRRR) forecast...

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Linlin Pan

My work is mainly focused on numerical weather model development, verification and support. I participate in enhancing transition of innovations in Numerical Weather Predi...

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Hilary Peddicord

Hilary came to CU Boulder to study secondary science education after receiving a BS in Zoology and Dance at the University of Wyoming, taking 8 years to travel, ski bum in ...

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Missy Petty

Missy Petty serves as the Associate Director for Administration in the Global Systems Laboratory (GSL). In this role, she oversees the administrative and financial function...

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Randy Pierce

Randy is a professional software engineer. After graduating with degrees in Physics and engineering he worked for ten years developing advanced hardware and software used...

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Stephen Pon

Stephen Pon is a Research Assistant of the Advanced Technologies Division (ATD),who has been served as a project manager for the task #4 of NOAA-Taiwan CWB (Central Weathe...

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Greg Pratt

Greg Pratt Deputy Advanced Technologies Division, Chief Innovative Weather Delivery Systems Branch. Bio Design and develop prototype weather information delivery systems ...

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Jennifer Raab

CIRA-Boulder Project Specialist

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Michael Rabellino

Role Software Engineering and Web Application Development (CIRES) Research Interests • Research and development aimed at improving the weather information provided to ai...

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Duane Rosenberg

Research Interests:  • Fluid turbulence • Geophysical fluid dynamics • Phenomenology • CFD • Algorithm development • HPC Education • Ph.D., Physics, University of North ...

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Jordan Schnell

Jordan Schnell - Research Associate Research Interests • Chemical transport modeling and air quality forecasting • Weather-chemistry interactions and feedbacks • High-re...

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Evan Sheehan

I am the web developer for Science On a Sphere. I've been doing web development professionally since 2006, with a couple of breaks for grad school and a few stints as a us...

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Tanya Smirnova

I am a senior scientist in Cooperative Institute for Research in Environmental Sciences (CIRES) working for Earth Prediction Advancement Division (EPAD) in Global Systems...

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Molly B Smith

Molly grew up in a desert part of California, and became interested in weather after the 1997-1998 El Niño turned her normally dry hometown into a lake. When it was time f...

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Jebb Stewart

Jebb Q. Stewart is the lead of the Informatics and Visualization Branch with the NOAA Global System Laboratory in Boulder Colorado.  With a unique background in both Mete...

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Bonny Strong

I progressed from software engineering into Project and Program Management as I began to see how I could be more effective to ensure the success of software projects in t...

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Shan Sun

Shan Sun is a meteorologist at GSL. She came to GSL more than 10 years ago from NASA’s Goddard Institute for Space Studies in New York City, where she had worked for 12 ye...

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Xia Sun

Xia Sun works on the Unified Forecast System (UFS) Weather Models and the Common Community Physics Package (CCPP). Xia is interested in topics aiming at improving the for...

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Ed Szoke

I was born in the mid 1950s in Worcester, Massachusetts, an interesting area for a variety of weather, and I knew at a young age that I wanted to become a meteorologist.  A...

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Zoltan Toth

Dr. Zoltan Toth is a Senior Scientist at the Global Systems Laboratory (GSL) with NOAA Research. His research has covered topics in atmospheric and related dynamical syst...

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Michael Toy

Michael Toy is a Research Scientist with the Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado, Boulder.  Dr. Toy began his...

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Dave Turner

The focus of my research is to better understand various processes that act upon and within the boundary layer (e.g., convective initiation, turbulent redistribution of ...

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Dana Uden

I started out in renewable energy, specifically solar energy resource modeling for a large clean  energy developer. I transitioned to verification of meteorological product...

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Jeff Vanbuskirk

Jeff VanBuskirk joined the U.S. Army after graduating high school in 1973 and served as an infantry mortar crewman towards the end of the Vietnam War.  After several years ...

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Matt Wandishin

Matthew Wandishin leads the Forecast Impact and Quality Assessment Services (FIQAS) Branch, which evaluates aviation weather forecast products for the Federal Aviation Ad...

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Hongli Wang

My current work focuses on improving skills of weather and air quality prediction through data assimilation and information blending for FV3 and Community Multi-scale Air...

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Stephen Weygandt

Stephen S. Weygandt, Ph.D., is a supervisory meteorologist, who has helped to direct the development of data assimilation systems that provide initial conditions for the ...

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Wei Yu

I am currently working as user support for RDHPCS. I have experience in both software development and scientific research, familiar with numerical models and parallel compu...

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Man Zhang

I joined NOAA/GSL, affiliating with CIRES in 2013. Before this appointment, I was a research scientist in ensemble data assimilation group at CSU/CIRA. My research was to a...

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Li (Kate) Zhang

My work focuses on the development of complex coupled modeling systems to simulate atmospheric composition, air quality, weather and their interactions. I am one of the p...

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Suneng Zhuo

Bio Technical leader for Hazard Services for WFOs project. Research Interests Python, cloud, docker, Education • M.S  in Computer Science - University of Wyoming, Lar...

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