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Jonathan Pease, PhD, PE, GE

President and Principal Engineer

Dr. Jonathan Pease has over 29 years of experience in project management and geotechnical engineering analysis throughout Nevada and California.  Dr. Pease routinely provides design approaches to mitigate earthquake-induced liquefaction, landslides and slope instability, subsurface seepage including detention basins and levees, and settlement reduction including ground improvement or deep foundations.  He has experience with developing geotechnical recommendations for commercial and residential buildings; energy projects including windfarms, refineries and geothermal power plants; industrial facilities; dam and levee projects; highway re-alignments; infrastructure improvements, and bridges.  He has civil experience in preparing waterfront protection, slope failures and drainage designs.

Premakumaran Arunan, PE

Senior Engineer

Mr. Arunan, goes by Arun, has over 9 years of experience in geotechnical engineering including seepage, slopes, embankments, earthquake engineering, foundations, structural analysis, surveying and environmental engineering as well as pavement design, reconstruction, rehabilitation and maintenance.  He has done work for several commercial and residential buildings including designing slope stability, infrastructure improvements, and providing geotechnical assessments. Mr. Arunan is proficient in the use of engineering software such as GEOStudio, gINT, AutoCAD, SAP2000, 3D-Move and the HY-8 Culvert Analysis Program.​

Christina Brennan, PE

Associate Civil Engineer

Christina Brennan is a highly experienced Professional Engineer with 12 years of expertise in civil engineering. Ms. Brennan’s areas of specialization include road reconstruction, public utility infrastructure design, commercial and industrial site design, ADA design, and building code compliance.  With certifications in Residential, Building, and Fire Code from the International Code Council (ICC), as well as State Fire Marshal Fire Investigator certification, Ms. Brennan ensures compliance with regulations and prioritizes safety in her designs. Ms. Brennan has extensive experience in public infrastructure development, water and wastewater design, and road reconstruction projects from planning to bidding to project completion.  Ms. Brennan ensures compliance with regulations and prioritizes safety in her designs. Ms. Brennan holds a Bachelor of Science degree in Civil Engineering from the University of Nevada, Reno. Her strong educational background, coupled with her extensive practical experience, equips her to effectively handle complex engineering projects. As an Associate Engineer, Ms. Brennan is dedicated to delivering innovative solutions and achieving project success. Her attention to detail, technical proficiency, and commitment to client satisfaction make her a valuable addition to any engineering team.

Marvin E. Davis, PE

Senior Engineer Consultant

Mr. Davis offers over 50 years of experience in civil engineering, specializing in geotechnical engineering, site development, and civil design.  Mr. Davis’ education and experience make him uniquely qualified to evaluate and resolve difficult or unusual site conditions, design and evaluate pavements and subgrades, coordinate construction observation and material testing services, and design large excavation and earthwork projects including slope embankments, roadways, large retaining structures, multi-story steel and concrete structures, dams and bridges in Nevada, California and Texas.  His experience includes major industrial, institutional, commercial, recreational, and public works projects.  Mr. Davis has completed geotechnical investigations and provided construction and materials testing for numerous projects in Nevada, California, Alaska, Texas, Saudi Arabia and Bahrain.  Mr. Davis excels in providing innovative solutions for owners and contractors to facilitate successful completion for a variety of construction projects. For 27 years, Mr. Davis owned and managed Marvin E. Davis & Associates, Inc. (now Reno-Tahoe Geo Associates, Inc.), a Reno, Nevada based engineering company specializing in geotechnical engineering, materials testing, and civil engineering for complex site and foundation development, drainage design, and slope repair and retention issues.

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