People Principal Investigator D. Nicolas Espinoza Associate Professor 200 E Dean Keeton CPE#5.104A phone: +1 512 471 8280 email: espinoza@austin.utexas.edu Postdoctoral Researchers and Research Scientists Clay Wood Postdoctoral Researcher in Geophysics and Geomechanics Co-advised with Prof. Tisato email: clay.wood@jsg.utexas.edu Shuman Yu Postdoctoral Researcher in Mudrock Geomechanics email: shuman.yu@austin.utexas.edu Zhao Xia Postdoctoral Researcher in Geologic Hydrogen email: zhao.xia@austin.utexas.edu Gabriel Gallardo Giozza Postdoctoral Researcher in Seal Integrity email: gggiozza@utexas.edu PhD and MS Students Mohamed Awad PhD Candidate email: mohamed.awad@utexas.edu Jinkyo Lee PhD Student email: jinkyolee@utexas.edu Manav PAtel PhD Student email: manav.patel-1@utexas.edu Renato Poli PhD Student email: rpoli@utexas.edu Tirtharaj Mukhopadhyay MS Student email: tirtharaj@utexas.edu Undergraduate Collaborators and Visiting Scholars Former Members 2025 Yuntian Teng Postdoctoral Researcher Currently at Pacific Northwestern National Laboratory 2024 Matthew L. McLean PhD in Petroleum Engineering Currently at Itasca Agustin Garbino MS in Petroleum Engineering Currently at ResFrac Corporation Javier Guerrero MS in Petroleum Engineering Currently at OXY 2023 Kiseok Kim Postdoctoral Researcher Currently Assistant Professor at Texas A&M 2022 Zihao Li PhD in Petroleum Engineering Currently Fulltime at ExxonMobil 2020 Xiaojin Zheng PhD in Petroleum Engineering Currently Postdoc at Princeton University Toma Takahashi MS in Petroleum Engineering Currently Fulltime at JX Nippon Oil & Gas Exploration Corporation Gabrielle Jacoby BS in Petroleum Engineering Currently Reservoir Engineer at ConocoPhillips Gabrielle’s website 2019 Zhuang Sun PhD in Petroleum Engineering Currently at Dassault Systemes Agustin Sosa Massaro Visiting Scholar from ITBA (Argentina) Now Researcher at ITBA Yun Chen PhD Visiting Student from University of Western Australia Tong Liu Visiting PhD Student from CUMT Jeffery Luo MS in Petroleum Engineering Currently at Baker Hughes 2018 Quentin Buck BS Mechanical Engineering Visiting student from Washington State University Lawrence Chen BS Petroleum Engineering Undergraduate Research Assistant Xiongyu Jasper Chen Postdoctoral Researcher Currently at CPGE Eric Guiltinan PhD in Geological Sciences Co-advised with Prof. Bayani Cardenas Currently at Los Alamos National Laboratory Hojung Jung PhD Candidate Currently at ExxonMobil Matthew Ramos PhD in Geological Sciences Co-advised with Dr. Steve Laubach Currently at Chevron Jenny Ryu MS in Petroleum Engineering Co-advised with Prof. Matt Balhoff Currently at XTO Energy Igor Shovkun PhD in Petroleum Engineering Currently Postdoctoral Researcher at Stanford University 2017 Michael Aman MS in Petroleum Engineering Rebecca C. Bussard Undergraduate Research Assistant BS in Physics – Pennsylvania State University Luis A. Hernandez-Uribe Undergraduate Research Assistant Currently PhD Student in Geotechnical Engineering (UT Austin) 2016 Omar Makni MS Student Visiting Scholar from ENSTA ParisTech Reynaldo Torres Undergraduate Research Assistant BS in Petroleum Engineering Vacancies PhD students: all students must apply first to our department to be considered (apply here: https://pge.utexas.edu/graduate/admissions). We select students from the pool of applicants that have been admitted to the program. Send me an email if you have any questions but your best shot is just apply to the link above. Applications by email are not taken. Postdoctoral researchers: stay alert to announcements in my twitter or linkedin pages.