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Jeremy Schnittman wearing headset in front of view of galaxy in green
Goddard technologist Nithin Abraham works inside a small cleanroom.

People of Goddard

Get to know your friendly neighborhood space flight center and the people that make up the largest community of scientists, engineers, and technologists on planet.

Learn More about Goddard about People of Goddard

meet the Goddard Leadership

Portrait of Makenzie Lystrup, smiling at the camera. She has medium brown hair, lighter closer to the ends. She is wearing brownish, plastic-rimmed glasses, and a black, red and gold scarf, and black blazer. Behind her is the American flag.

Makenzie Lystrup

Goddard Center Director

Cynthia Simmons sits at a table with her hands clasped in front of her. She wears a red blazer with a black shirt underneath.

Cynthia Simmons

Goddard Deputy Center Director 

Ray Rubilotta, white and grey hair poses for a portrait. He is wearing a tweed brown suit jacket over a light blue collared shirt with a multi-colored tie. Behind him is a blue background with an American flag over his right shoulder.

Ray Rubilotta

Associate Center Director

Christyl Johnson with long, flowing black hair. She is wearing a black blazer with a white shirt underneath. The background is blue with an American flag over her right shoulder.

Christyl Johnson

Deputy Director for Technology and Research Investments

Dave Pierce, a white man with white hair, wears a pair of black-rimmed glasses, a dark-colored blazer with a light blue shirt and yellow tie. Behind him is the American flag against a blue background.

Dave Pierce

Wallops Flight Facility Director

Latest People of Goddard
Hsiao Smith
5 min read

Deputy Observatory Manager – Goddard Space Flight Center Growing up in Malaysia and Singapore, Hsiao Smith — now the deputy…

Article
Nargess Memarsadeghi, Computer Engineer for the Cosmos
5 min read

When it comes to building spaceflight missions, the software is at least as important as the hardware. For computer engineer…

Article
Sarah Peacock Surveys Stellar Radiation to Hunt for Habitable Worlds
6 min read

Knowing whether or not a planet elsewhere in the galaxy could potentially be habitable requires knowing a lot about that…

Article
Alfonso Delgado Bonal Has His Head in the Clouds — for Research
6 min read

Research scientist Alfonso Delgado Bonal makes important discoveries about patterns in cloud movements while thriving within the NASA Goddard family.…

Article
Bob Swap Builds Bridges With ‘Science Diplomacy’
14 min read

Associate Director for Mission Planning, Earth Sciences, and environmental scientist Robert J. “Bob” Swap makes a difference by putting knowledge…

Article
Joshua Abel: Delivering Roman’s Optical Telescope Assembly On Time, On Target
5 min read

Joshua Abel's job as lead systems engineer for the Nancy Grace Roman Space Telescope's Optical Telescope Assembly is "to deliver…

Article
Matthew Kowalewski: Aerospace Engineer and Curious About Everything
6 min read

Matthew Kowalewski describes himself as “curious about too many things,” but that curiosity comes in handy when engineering instrumentation scheduled…

Article
Jesse Walsh: Possibility at the Cutting Edge of Flight
6 min read

Name: Jesse Walsh Formal Job Classification: Project Formulation Manager Organization: Project Formulation and Development Office, Flight Projects Directorate (Code 401.0)…

Article
Carissa Arillo: Testing Spacecraft, Penning the Owner’s Manuals
5 min read

Flight operations engineer Carissa Arillo helped ensure one of the instruments on NASA’s PACE mission made it successfully through its…

Article

People of PACE

PACE mission blog
A woman stands on the left side of the image, seen from the waist up. She wears a white clean suit that covers her arms, torso, and over her head. She also has on a white mask that covers her nose and mouth and blue latex gloves. She is gesturing behind her and to the right of the image towards a large, rectangular piece of equipment - the PACE satellite. The side of the satellite visible is black and reflects light off it. Behind her and PACE is a large wall that has a green gridded pattern on it.

People of PACE: Bridget Seegers Sails the Seas… and Studies Them Too!

Bridget Seegers is an oceanographer at NASA’s Goddard Space Flight Center in Greenbelt, Maryland and a team member for NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission.

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A man stands centered in the image, seen from the waist up. He is wearing a brown hat, which has a broad rim that shades him from the sun. He also wears sunglasses and a blue button-up short-sleeved shirt. He stands in a field, right behind him are large green stalks of corn, which are taller than the man. He is holding a scientific instrument and taking measurements.

Fred Huemmrich Plants the Seeds of Inspiration

Fred Huemmrich is a member of NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) science and applications team and a research professor at the University of Maryland, Baltimore County.

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A man stands to the left of the image, seen from the waist up. He is wearing glasses, blue latex gloves, a white mask covering his nose and mouth, and a white clean suit that covers his arms, torso, and head. He gestures to the right of him, holding both hands out towards a large box-shaped item - the PACE spacecraft. The spacecraft is covered in wires, other mechanical sensors and items, and a silver-colored foil-like material.

Jeroen Rietjens Followed His Passions to SPEXone and PACE

Jeroen Rietjens is an instrument scientist at the Netherlands Institute for Space Research (SRON) and worked on the SPEXone polarimeter.

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A woman stands slightly to the left of center in the image, seen from the waist up. She is wearing a white clean room suit that covers her torso, arms, and over the top of her head and forehead. She also wears a white mask that covers her nose and mouth and blue latex gloves. She is holding her arms out and above her head in a celebratory stance. Behind her and slightly to the right is the PACE observatory, which is large, silver colored, and is covered in wires and other metallic pieces of instrumentation and materials.

Natasha Sadoff Connects PACE Data to Benefit Society

Natasha Sadoff is the deputy coordinator for the applications program and PACE.

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A man wearing glasses and in a light blue checker patterned button up shirt takes up the right side of the image. He is taking a selfie and smiling at the camera. The left side of the picture is aimed over the edge of a balcony inside of a building. Hanging from the ceiling is a model of a spacecraft - PACE. Behind the spacecraft, parts of the floor below, the floor the man is on, and the floor above can be seen.

Jeremy Werdell is the PACE Mission Scientific Conscience

Jeremy Werdell is the project scientist for the PACE mission as well as a biological oceanographer in the Ocean Ecology Laboratory at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

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A man stands slightly right of center in the image. He is wearing a light blue button up shirt and black pants and is holding a microphone. He is gesturing to a presentation on a TV that is to the left of him. He stands next to a round, high-top table. To his right are a group of other people who are watching his presentation. The background shows that these people are at a conference, there are booths and high ceilings of a convention center or similar.

Otto Hasekamp Helps Scientists See Light in a New Light

Otto Hasekamp is a senior scientist at the Netherlands Institute for Space Research (SRON) and is the science lead for the SPEXOne polarimeter that will be on PACE.

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A man stands centered in the image wearing jeans and a Hawaiian-like blue button-up shirt. Behind him is a clear, plastic screen separating him from the room behind him. Past the screen, PACE sits. It's bottom half is covered in a silver-colored foil-like material.

Gary Davis Leads His Team Through Engineering Feats

Gary Davis is the mission systems engineer for PACE at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

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A woman stands in the center left of the image wearing a white clean suit which covers her whole body including her head. She wears a white mask that covers her nose and mouth and blue gloves on her hands. Behind her are three other people wearing the same clean room gear. Two of those people are standing on a lift and are slightly above the woman in the foreground. Behind all of the people is PACE, which is large and box shaped, and is black colored with a light reflection off of it.

Ivona Cetinić Studies the Ocean’s Microscopic Organisms

Ivona Cetinić is a biological oceanographer in the Ocean Ecology Lab at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

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A man stands in the left of the image wearing light brown pants and a black T-shirt. He stands on a rock next to a small body of water. In the background there are green leaves and foliage. The man stands looking at the camera.

Kirk Knobelspiesse Keeps His Eyes on the Skies

Kirk Knobelspiesse is an atmospheric scientist and the project science team polarimeter lead for PACE at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. He is also the polarimeter instrument scientist for the Atmosphere Observing System (AOS) constellation.

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Corrine stands to the right side of the image wearing a bright red colored coat. Just above her is a branch of a cherry blossom tree with pink flowers blooming on it. To the left of Corrine is a blue green colored shimmering lake, and in the background of the image, the Washington Monument stands tall with the sun shining directly behind it. The monument is reflecting down onto the lake as well.

Corrine Rojas Helps Connect Science to Engineering and Back

Corrine Rojas is a scientific programmer in the ocean ecology lab at NASA’s Goddard Spaceflight Center.

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