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Company Information

Professional Staff

Alberto A. Gutiérrez, R.G.

President, CEO, Geologist M.S.

Alberto A. Gutiérrez has over 39 years of experience in the fields of hydrogeology, environmental geology, petroleum geology, regulatory compliance and litigation support. He is a registered professional geologist in 20 states with extensive experience as a qualified expert witness in federal and state courts. Read more about Mr. Gutiérrez

Dale T. Littlejohn, P.G.


Dale Littlejohn’s 36 years of experience in oil field operations and environmental compliance provides a unique level of expertise that is well suited to the petroleum industry. His specialties include: permitting, risk characterization, oil property transfer evaluations, and drilling oversight for regulatory compliance. Read more about Mr. Littlejohn


James C. Hunter, R.G.

Senior Geologist, M.S.

James C. Hunter  has over 31 years of experience in the fields of hydrogeology and environmental geology. Mr. Hunter enhances Geolex’s in-house capabilities for contaminant transport modeling, GIS analysis, aerial photographic interpretation, field investigation, permitting and geologic field services. Read more about Mr. Hunter  _______________

Santiago L. Flores, P.G.

Project Geologist, M.S.

Santiago L. Flores is a geologist with wide-ranging experience in petroleum geology and regulatory compliance, stemming from roles in operations, development, and exploration in multiple basins.  Mr. Flores’ specialties include petroleum geoscience, well planning, log interpretation, structural geology, surface and subsurface mapping, analytics, carbon sequestration, AGI support, and earthquake monitoring. Read more about Mr. Flores


David A. White, P.G.

Senior Geologist, M.S.

David A. White is a geologist and project manager with extensive experience supporting all phases of acid gas injection projects from design to completion.  Mr. White’s specialties include permitting and regulatory compliance, seismic interpretation and fault-slip probability modeling, geologic field support, and AGI maintenance and operational support.  Read more about Mr. White