A Nurtured Solution to GEO Field




We explore the earth, its nature, its unpredictable formations and behavior. By the
continuous learning and implementing the science of earth we are able to provide the best solution for Earth’s complexities.

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Luna Consulting. LLC is a single-proprietor engineering company with a corporate engineering license located in St. Louis, MO.
Dr. Ronaldo Luna is the managing and technical director with 30+ years of professional experience as a geotechnical engineer in North America and is licensed to practice in three states as a professional engineer. Dr. Luna has engaged in well-respected international consultancy responsible for various geotechnical and civil engineering projects specifically related to nuclear plants, disposal facilities. Dams, levees. Roadways, tunnels, excavations, bridges, deep excavations, and multistory buildings. He also specializes in geotechnical earthquake engineering, seismic design, site response, and liquefaction evaluation. Dr. Luna is well known within the Midwest with the Corps of Engineers, St. Louis District, the Missouri and Illinois Departments of Transportation, and FHWA. His academic appointment as a professor and research contributions at several in different Universities in the Central U.S has gained him respect among his peers.

Past And Current Projects


Stormwater Streambank Stabilization Design for St. Louis Metropolitan Sewer District. Sub-consultant to prime on geotechnical services.


Owensboro Medical Health Center, geotechnical earthquake engineering, site response, liquefaction evaluation, and ground improvement.


Association of State Dam Safety Officials, Instructor for short course in basic soil mechanics related to earth dams; structural behavior and monitoring of dams; and earth dam slope stability.


FHWA micropile instrumentation and monitoring and load transfer evaluation. DOT driven pile load tests to define resistance factors for design.


GEER post-earthquake reconnaissance for EERI and GEER, field investigations for M 7.3 Honduras, M7.6 Costa Rica earthquakes. Guatemala team for the World Bank to evaluate construction infrastructure for engineering mitigation.


Tailings Dam, independent technical review in San Marcos, Guatemala. Earth dam was designed as an 80-m high structure to control and collect the effluent with a cut-off wall and re-circulate from downstream location.


Post-Katrina Hurricane Damage Assessment. Team leader of engineers and scientists under contract with the USGS. On October 2005 this team setup camp in New Orleans and focused on three themes for the damage assessment (1) flood protection systems; (2) transportation systems; and (3) environmental impact in the sediments.


Geotechnical Earthquake Engineering

Independent Technical Review (ITR)

Technical Review Boards for Dams/Structures

Expert Witness, Depositions and Trials

Trainer and Instructor: Short Courses and Workshops

Engineering Consultant and Research & Publications

Value Engineering

Forensic Engineering

•MBE / DBE Certified, Missouri
•Professional Liability Insurance
•Professional Engineer in the States: MO. CA. & WA
•Registered PE in: MO, CA, & WA.
•Professional Engineering Corporation (Lic. E-2019003746)
•DUNS: 114923333
•CAGE Code: 8B3F1
•NAICS 541330: Civil Engineering Services,