Members Exobiology Branch (Code STX) - NASA

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Exobiology Branch

Exobiology Branch (STX) members group photo on concrete steps in front of N239

Group photo of the STX branch outside of N239. Front row, from left, Ellen Cook, David Des Marais, Lori Munar, and Mark Ditzler. Second row, from left, Alta Howells, Alfonso Davila, Mary Voytek, Richard Quinn, Ryan Felton and Chris Dateo. Third row, from left, Melissa Kirven-brooks, Sanjoy Som, Linda Jahnke, Mike Kubo, Johannes Meusburger, and Tori Hoehler.

Exobiology Branch Members (STX)

Portrait of Dr. Melissa Kirven-Brooks

Melissa Kirven-Brooks

Branch Chief, Acting

Lori Munar

Assistant Branch Chief

Janice Bishop

Tom Bristow

Tom Bristow

Research Scientist

Zack Cohen

Research Scientist

Cassie Conley

Staff Scientist

Dr George Cooper analyzes metoritic material by injecting samples into gas chromatograph-mass spectrometer. This instrument separates very complicated molecular mixtures into individual componds that are more easily identified. ARC-2011-ACD11-0142-003

George Cooper

Research Scientist

Alfonso Davila

Alfonso F. Davila

Research Scientist

Richard Craig Everroad at what appears to be a marsh wearing sunglasses, a tan hat, black jacket, and tan cargo pants with black wet shoes on.

Richard (Craig) Everroad

Research Scientist

Picture of Ryan Felton

Ryan Felton

Planetary Scientist / Astrobiologist

Fathi Karouia

Fathi Karouia

Research Scientist

Barbara Lafuente-Valverde

Research Scientist

Cropped image of Portrait of Niki Parenteau in a black dress, light brown sweater, and a black/white scarf with green grass and green trees in the background.

Niki Parenteau

Research Scientist

Milena Popovic

Milena Popovic

Research Scientist/BMSIS

Richard Quinn

Richard C. Quinn

Research Scientist

Angelique Ray

NASA Postdoctoral Program Fellow

Andro Rios

Andro Rios

Research Scientist, Assistant Professor in Chemistry

Caleb Scharf

Caleb Scharf

Senior Scientist for Astrobiology

Sanjoy Som

Sanjoy Som

Scientist / Engineer

Photo of David Summers

David Summers

Senior Research Scientist

Mike Wilson

Past Branch Members

Dave Blake

Dave Blake

Research Scientist

Christopher Dateo

Deputy Division Chief

David Des Marais

Principal Investigator

Photo of Mark Ditzler

Mark Ditzler

Research Scientist

Tori Hoehler

Tori Hoehler

Research Scientist

Alta Howells

Postdoctoral Researcher, ORAU NPP Fellow

Hiroshi Imanaka

Michael Kubo Portrait in a light green button up shirt

Michael Kubo

Research Scientist/ Lab Manager

Michael D. Lee

Rocco Mancinelli

Senior Research Scientist

Photo of Andrew Pohorille

Andrew Pohorille

Principal Investigator

Arthur Weber

Esther Weber

Chenyu Wei

Chenyu Wei

Researcher