I co-lead the Origins and Habitability Laboratory at JPL. Visit the OHL website here for more details about our research, lab news, and facilities. 


Interested in an internship? I take several summer interns each year, and also have year-round interns who work part time while going to school. I typically fill my summer intern positions in the fall (October - November), and it is not unusual for people to contact me more than a year in advance. If interested, email me and tell me about your research interests. 


Below are the lab members currently working on projects that I supervise. 



Current Lab Members

                                                           Erika Flores

Erika is completing her Master's degree in Environmental Engineering at CSU Los Angeles, and has a Bachelor's in Chemical Engineering from Cal Poly Pomona. She is working on prebiotic organic synthesis and phosphorus absorption in hydrothermal systems.

                                                           Ninos Hermis

Ninos is completing his Master's in Physics at CSU Los Angeles, and has a Bachelor's in Planetary Astronomy from UC Santa Cruz. He is working on simulating temperature gradients and electrical properties in hydrothermal vents and also works in JPL Exoplanet science.

                                                           Sarah Crucilla

Sarah is an undergraduate geology major at Caltech. She is working on the NASA Becoming Biotic project, testing how protein cofactors undergo redox reactions in early Earth conditions. 

                                                          Michelle Hooks

Michelle is a STEM Teacher and Researcher fellow with degrees in Biology and Education from USC. She studies the effects of organic molecules on iron-silicate and iron-hydroxide chemical garden systems, with applications for origin of life and looking for biosignatures on other worlds.

                                                         Jonathan Major

Jonathan is a graduate student in Biogeosciences at the University of Tulsa. He is working with us on simulating phosphorus chemistry in iron and manganese mineral systems on Mars and ocean worlds.

                                                          Thora Maltais

Thora has a Ph.D. in Chemistry from Purdue and a Master's in Chemistry from Clemson University. She is a JPL technologist working with us on the origin of protein cofactors and the TCA cycle.

Former Members


Name Year Project Academic Programs Current position
Ryan Cameron 2016-2017 Carbon fixation  Tulsa Community College; CSU Northridge Landscape management
Yeghegis Abedian 2013-2017 Electrochemistry of chimneys; phosphorus chemistry UC San Diego - Nanoengineering Shire Pharmaceuticals
Arden Hammer 2016 summer Hydrothermal organics and minerals Oberlin College - Chemistry Undergraduate student at Oberlin
Timothy Lin 2015, 2013 summers Carbon fixation UC Riverside - Biology Medical student at University of Texas Southwestern Medical Center
Arlette Valencia 2015 summer Metastable minerals, green rust Citrus College Undergraduate student at Oregon Institute of Technology, Electrical and Optical Engineering
Jessica Nunez 2014 summer

Hydrothermal chimneys

BMSIS Young Researcher

Citrus College Graduate of UC Berkeley, Mechanical Engineering
Nery Rafael 2012 fall -2013 Hydrothermal vent simulations CSU Long Beach - Biochemistry Quality Control Chemist, Grifols Biologicals Inc.
John Zeytounian 2012 Electrochemistry of iron sulfides University of Southern California, Molecular and Computational Biology  
Ivria Doloboff 2011-2015 Chemical gardens, phosphorus chemistry CSU Long Beach / Santa Monica College NASA Jet Propulsion Laboratory, Research Technician
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© Laurie Barge