Jason Gowland, P.E.,     

Senior Geotechnical Engineer

Jason joined GSE in March of 2010, and as a senior engineer, he has been providing professional engineering and consulting services throughout Florida, the southeast United States, and the Caribbean for 15+ years.


His engineering expertise and experience includes geotechnical and coastal engineering, structural inspection, FDOT, and contract administration services; working on projects ranging from evaluation/remediation of damaged structures/homes to serving as Resident Engineer on large federal projects. 

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Cassandra (Cassie) lindeman, E.I.

Staff Geotechnical Engineer

Cassie is a registered Engineer Intern in the State of Ohio with 1+ years experience in Geotechnical Engineering. She works as a field engineer monitoring geotechnical operations.


Mrs. Lindeman has also preformed project management duties for geotechnical evaluations, design for structures and stormwater management facilities. Cassie specializes in construction materials testing, subsurface improvement, sinkhole remediation, shallow foundation design, foundation bearing capacity analyses, settlement analyses and stormwater management.

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Kevin P. Fisher, e.i.

staff Geotechnical engineer

Mr. Fisher has been involved in Geotechnical Engineering for the past year. His experience includes various roadway and structural projects. Additionally, Kevin has experience in evaluation and selection of foundation alternatives for single and multi-story buildings. He has worked with multiple foundation systems including auger cast piles, driven piles, mat, and shallow foundations. He is also experienced in stormwater management design and sinkhole remediation.

Kevin has a Bachelor's in Civil Engineering from the University of Florida, 2019.


Angelina liu e.i.

Angelina is a Grad Student, studying Geotechnical Engineering at the University of Florida. She is assisting the Geotechnical department with field work, including boring location inspection, boring marking, soil classification and reports. Angelina received her Bachelor's Degree with the highest honor from UF in May of 2019. 


Austin Thompson,P.E.

staff structural engineer

Austin has performed structural design for structural and geotechnical related projects. He graduated from the University of Florida with a Master's of Engineering degree in Structural Engineering. Austin has conducted multiple forensic structural investigations as well as monitored structural remedial measure implementation and reconstruction. He has experience in the design of concrete, wood, masonry and steel framed structures, including commercial and residential projects.

Austin's has been with GSE since September of 2016 and his duties at GSE include project management, structural design, geotechnical field inspection, and summary report generation. 

JOhn Newcombe, E.I. 

senior inspector / staff engineer

John is a Staff Engineer with 8+ years of experience in geotechnical,  structural related engineering, and construction materials testing in North and Central Florida.  While attending the University of Florida, John was a carpenter and laborer in the building construction industry. 


John has a B.S. in Civil Engineering from the University of Florida. He began his career with GSE in July of 2009 as an engineering assistant while attending the University of Florida, performing various tasks related to geotechnical, subsidence/sinkhole evaluations, forensic structural field investigations, and threshold inspections. 


everett (rett) skipper, e.i.

Staff/field engineer

Rett graduated from The University of Florida with a Bachelor’s of Science in Civil Engineering in 2016 and has since worked for GSE. 

Rett has managed geotechnical site explorations, settlement analyses, soil classifications, and foundation stabilization design. In addition, he has held positions where he has assisted in QA/QC, threshold, construction, architectural, and interior inspections of new/renovated commercial and residential structures.

Terry Timberlake 
Senior inspector

Terry has been involved in commercial and residential construction for 40+ years and has a very broad based knowledge of the construction industry. He has been involved in commercial and residential construction serving in a wide variety of roles including laborer, project manager, and superintendent. More recently, he has been involved in providing contractor oversight and inspection related services.

Terry has served as the primary threshold inspector for large GSE projects such as the Reitz Union and Heavener Hall at the University of Florida.