LGS Administrative Staff

Charles G. Groat, PhD

Acting Director
Email: cgroat@lsu.edu
Telephone: 225-578-4998


Chip Groat, PhD projects


Marty Horn, PhD

Acting Assistant Director
Email: mhorn@lsu.edu
Telephone: 225-578-2681

Marty Horn, PhD projects


Melissa Esnault
Administrative Coordinator 4
Email: mesnau1@lsu.edu
Telephone: 225-578-5320
Melissa Esnault is the Administrative Coordinator of the LGS. She graduated from Louisiana Tech University in Ruston, Louisiana, in 2000 with a Bachelors of Science degree in Family Studies with a concentration in Early Childhood Development. Melissa joined LSU in 2007 as a Coordinator in LSU’s Office of Human Resources, where she was the assistant to the associate vice chancellor of Human Resource Management. She was previously employed as an inside sales representative by the Tembec Paper Corporation in St Francisville, Louisiana and as an executive administrative assistant by the eFederal Credit Union in Baton Rouge. Melissa joined the LGS in 2010.



Jeanne Johnson
Accounting Technician
Email: jeannej@lsu.edu
Telephone: 225-578-8407
Jeanne Johnson is the Accounting Technician for the Louisiana Geological Survey and handles all LGS grants, contracts and budgets. Johnson came to work at LSU in 1991 and has worked for the Department of Oceanography and Coastal Sciences, the Coastal Studies Institute and the School of Veterinary Medicine. Jeanne assists LGS researchers in the preparation of their proposal budgets and provides the staff with their respective monthly budget summaries.



Reed Bourgeois

Data Processing Analyst 4

Email: rbourg9@lsu.edu
Telephone: 225-578-8879

Reed Bourgeois obtained a Bachelors of Science from Nicholls State University in Thibodaux, Louisiana in 1985. Reed provides computer assistance to the research staff with their projects and is also responsible for the acquisition, upkeep, and maintenance of LGS computer hardware and software. Reed started at LSU in 1991.