Current lab members, a.k.a. "cosmic Wrays"

James Wray

PI: James Wray

Associate Professor, Georgia Tech


Ph.D., Cornell University, 2010

A.B., Princeton University, 2006

Curriculum Vitae







Emmy Hughes

Emily (Emmy) Hughes

Ph.D. student and NSF Graduate Research Fellow, Georgia Tech


B.S., Wesleyan University, 2020











Alivia Eng

Alivia Eng

(co-advised w/ Frances Rivera-Hernández)
Ph.D. student, Georgia Tech


M.S., Western Washington University, 2023

B.S., Western Washington University, 2021

Alivia’s LinkedIn profile







Colin Burnett

Colin Burnett

Undergraduate, Georgia Tech











Past lab members

Cindy Young

Cindy Young

Postdoctoral Fellow, Georgia Tech


Ph.D., Georgia Tech, 2014

Now a Civil Servant at NASA Langley Research Center

Cindy's webpage










Kennda Lynch

Kennda Lynch

(co-advised w/ Frank Rosenzweig) Postdoctoral Research Fellow, Georgia Tech


Ph.D., Colorado School of Mines, 2015

Now a Staff Scientist at the Lunar & Planetary Institute

Kennda's website







Luju Ojha

Lujendra (Luju) Ojha

Ph.D., Georgia Tech, 2016


B.S., University of Arizona, 2012

Now an Assistant Professor of Earth and Planetary Sciences at Rutgers University

Previously a Blaustein Postdoctoral Fellow, then Research Scientist at Johns Hopkins University

Luju's website




Mary Beth Wilhelm

Mary Beth Wilhelm

Ph.D., Georgia Tech, 2017


B.A., Cornell University, 2012

Now a Civil Servant at NASA Ames Research Center

Mary Beth's website








George McDonald

George McDonald

Ph.D., Georgia Tech, 2018


B.A., Cornell University, 2014

Now a Postdoc at University of Oregon

Previously a Postdoc at Rutgers University

George's Google Scholar page






Gabe Eggers

Gabriel (Gabe) Eggers

Ph.D., Georgia Tech, 2021


A.B., Princeton University, 2013

Now a Visiting Assistant Professor of Earth and Environmental Sciences at Wesleyan University

Previously a Postdoc at the Lunar & Planetary Institute

Gabe's LinkedIn profile




Angela Dapremont

Angela Dapremont

Ph.D., Georgia Tech, 2021


B.S., College of Charleston, 2014

Now a Postdoctoral Fellow at the Johns Hopkins University Applied Physics Lab

Angela’s website







Alex Sessa

Alexander (Alex) Sessa

M.S., Georgia Tech, 2017


B.S., University of Illinois-Chicago, 2014








Sheridan Ackiss

Sheridan Ackiss (now Moore)

B.S., Georgia Tech, 2012


Now a Senior Technical Consultant at Esri Inc.

Previously a NASA Earth & Space Science Fellow / Ph.D. student at Purdue University (w/ Briony Horgan); then Postdoctoral Fellow at the University of Idaho (w/ Erika Rader); then Remote Sensing Scientist/Engineer at The Aerospace Corporation

Sheridan's story

S. J. Ralston

S.J. Ralston

B.S., Georgia Tech, 2014


Now a Mars Research Scientist at Jacobs/NASA Johnson Space Center

Previously a M.S. student at the University of Nevada (w/ Libby Hausrath)

S.J.’s LinkedIn profile




Jiawei Li

Jiawei Li

B.S., Georgia Tech, 2015


Now a Project Engineer at DeSimone Consulting

Jiawei’s LinkedIn profile









Sergio Parra

Sergio Parra

B.S., Georgia Tech, 2018


Now a Ph.D. student at Caltech

Sergio’s LinkedIn profile











Lauren Kimbrough

Lauren Kimbrough

B.S., Georgia Tech, 2020


Now an Avionics Engineer at the Georgia Tech Research Institute

Lauren’s LinkedIn profile










Maci Harrell

Maci Harrell

Undergraduate, Georgia Tech


About Maci











Sara Cuevas

Sara Cuevas Quiñones

(co-advised w/ Frances Rivera-Hernández) Undergraduate, Purdue University and 2021 Georgia Tech REU Student


Sara's LinkedIn profile










Sarah Hansen

Sarah Hansen

Research Technician


B.S., Georgia Tech, 2011










Grace Fanson

Grace Fanson

(co-advised w/ Frances Rivera-Hernández)
B.S., Georgia Tech, 2022


Now a Ph.D. student at MIT (w/ Gaia Stucky de Quay)

Grace’s website








Future lab members

Question mark

Unfortunately I now receive too many inquiries from prospective group members to answer every one individually. If you are a prospective graduate student, please see this page for more information about our program and when/how to apply. While our admissions are very competitive, there is always a place here for truly outstanding students!