Current Lab Members

Associate Professor Jia Hu – Principal Investigator


Dr. Jia Hu (pronounced Jah Who) is Associate Professor and Associate Director in the School of Natural Resources and Environment at University of Arizona and Affiliate Faculty at the Laboratory of Tree Ring Research. She is also the Host Institution Director for the Southwest Climate Adaptation Science Center at University of Arizona.


Phone:  +1 (520) 621-1062

Office: N229, ENR2

Google Citations | Curriculum Vitae

Kinzie Bailey – PhD Student

Kinzie is a PhD student who joined the lab in 2017. She is conducting a study to determine the difference in water use between juniper and willow and the effects of removal on stream water availability.


Brandon Strange – PhD student

Brandon head shot

Brandon is a PhD student who joined the lab in 2018. He is interested in applying an ecophysiological perspective to the tree ring record.


Collin Gillespie – MS student


Collin is a MS student who joined the lab in 2022. He is conducting a study with The Nature Conservancy looking at water use dynamics among velvet mesquite stands of different ages and densities along a riparian corridor.


Maquelle Garcia – Visiting PhD student

Maquelle Garcia_website

Maquelle is a PhD student, visiting from the Instituto National de Pesquisas de Amazonia in Brazil. She has been examining the hydraulic traits of many trees growing in the Amazon.

Maquelle is visiting to learn about tree ring isotope analyses.

Lab Alumni

Paul Szejner – Postdoctoral Fellow, currently a Research Scientist at UNAM, Mexico
Justin Martin – PhD graduate, currently a Research Scientist with the Northern Rockies USGS
Claire Qubain – MS graduate
Timothy Clute – MS graduate
Nate Looker – MS graduate, currently a Project Scientist, Soil Health Institute
Sara Nerby – Undergraduate (Hopa Science Award)
Corinne Moss – Undergraduate (USP Award)
Sara Amish – Undergraduate (IoE Fellow and USP Award), currently a MS student in Public Policy
Taylor Simpson – Undergraduate (IoE Fellow and USP Award), currently in Law School
Jason Roehrig – MFA Science & Natural History Filmmaking
Eric Anderson – lab technician, currently soil scientist for the Custer Gallatin National Forest, MT