Thomas Manuel Ortiz is an engineer with 30 years of diverse experience in energy, from hydrogen/solar cogeneration research and the use of recycled carbon dioxide as a net-zero refrigerant to oil and gas exploration, production and refining to offshore wind siting and carbon sequestration.

Tom, author of the popular Substack newsletter Resource Realism, holds a Ph.D. in mechanical engineering from Purdue University and an M.B.A. in finance from Texas A&M University. He is also a registered professional engineer in the State of Texas. He lives in Austin with his wife.