Research Staff

Guillen is the executive director of EIH and a professor of biology and environmental science at UHCL. Guillen obtained his Ph.D. in environmental science from the University of Texas, School of Public Health. His previous experience includes chief of the Fisheries and Contaminants Program at the U.S. Fish and Wildlife Service office in Arcata, Calif. Prior to that he was the toxicology and risk assessment unit chief at the Minerals Management Service in New Orleans, La. Additionally, he worked for 10 years with the TCEQ predecessor agencies (TNRCC and TWC) as district manager and program manager. He also served as a biologist with the Texas Parks and Wildlife Department for more than four years.

Staff Bio

Jake Doyal is the equipment maintenance technician for the Environmental Institute of Houston at University of Houston-Clear Lake. He is a licensed master rated captain as well as a certified scuba diver. Previously, Doyal spent time in the Marshall Islands as a boat captain for the U.S. military and their assets. While there, he helped maintain site integrity and safety for the local population and military personnel.

Staff Bio

Fazioli has worked with EIH since 2012 as a research associate. She has a M.S. in marine science from U.C. Santa Cruz and a B.S. in marine biology from Texas A&M University at Galveston. She has a broad range of experience studying wildlife population biology, behavior and ecology. Her prior experience includes extensive work with the Sarasota Dolphin Research Program at Mote Marine Laboratory in Florida as well as leading projects with other government and non-profit institutions.  In addition to assisting on many of our field projects, Fazioli is EIH's principal investigator for the Galveston Bay Dolphin Research and Conservation Program, a long-term dolphin monitoring project conducted in cooperation with the Galveston Bay Foundation.

Staff Bio

Gordon began working for EIH as a research associate in 2011. She obtained her M.S. in biology from Georgia Southern University and her B.S. in marine biology from Texas A&M University at Galveston. Her prior experience covers broad topics such as examination of physiological adaptations, biomechanics, ecological and environmental impacts on populations, and reproductive endocrinology. Gordon has had the opportunity to work with a wide range of vertebrate species, but her primary senior research role at EIH involves the study of turtles. Since working for EIH, she has participated in interdisciplinary projects ranging from water quality monitoring to population demographics and ecology.

Staff Bio

Mockrech's background is in civil engineering specialized in geographic information systems (GIS) and remote sensing. His current research focuses on spatial modeling considering an interdisciplinary approach for analyzing and understanding future environmental and socio-economic implications. He has more than 10 years in applying spatial modeling in a wide range of fields including coastal management and adaptation to future changes, impact assessment of climate change on urban and natural environments, hydrological and watershed analysis, terrain analysis, and uncertainty management in GIS-based models. Mokrech is currently investigating changes in landscape use and demographics and impacts on the local environment.

Staff Bio

Oakley is EIH's environmental scientist and has worked for EIH since 2008. She earned a Ph.D. in the Marine Biology Interdisciplinary Graduate Program at Texas A&M University in 2019. Her M.S. and B.S. degrees are in biology (minor in chemistry) from TAMU-Corpus Christi. Oakley manages EIH's Research Department, working closely with other EIH research staff to coordinate proposal development, project management, and report compilation. She is also one of EIH's licensed OUPV captains.

Staff Bio