Jason DeJong

Jason T. DeJong, Ph.D.

Civil & Environmental Engineering
College of Engineering
3101 Ghausi Hall
One Shields Avenue
Davis, CA 95616

Phone: (530) 754-8995
Fax: (530) 752-7872
E-mail: jdejong@ucdavis.edu


Jason T. DeJong is a Professor at the University of California, Davis. He received a B.S.C.E. from UC Davis and an M.S.C.E. and Ph.D. at the Georgia Institute of Technology. After working at the Centre for Offshore Foundation Systems at the University of Western Australia and the University of Massachusetts Amherst, Jason moved back to his hometown of Davis, CA in 2005.

Dr. Jason T. DeJong directs and coordinates research through the Soil Interactions Laboratory, UC Davis Center for Geotechnical Modeling, and NSF ERC Center for Bio-mediated and Bio-inspired Geotechnics. Prof. DeJong’s major technical contributions have been in the areas soil and site characterization, bio-mediated and bio-inspired geotechnics, earthquake engineering, and geotechnical sustainability. His work has been funded through grants totaling more than $20M. Results from his research program have been disseminated through 250 publications, he is currently chair of the ISSMGE TC102 In situ Testing committee, and he has served as a reviewer or technical advisor on numerous civil infrastructure projects. 

Prof. DeJong’s contributions have been recognized through the ASTM International Hogentogler Award (2x), ICE TK Hsieh Prize, ASCE Huber Research Prize, ASCE Casagrande Professional Development Award, Prakash Research Award, ICE Telford Premium Prize, ASCE Prakash Award, and as an ASCE Fellow.

Download a professional CV here.

Interested in Graduate Opportunities?

I will be looking for new graduate students in the areas of geotechnical earthquake engineering, cracking and failure of dams, in situ testing for site characterization, and evaluation of gravelly soils and tailings for the ’23/’24 academic year. If you are interested please contact me and consider applying to our geotechnical engineering program [link].

20th International Conference on Soil Mechanics and Geotechnical Engineering

State of the Art: MICP Soil Improvement and Its Application to Liquefaction Hazard Mitigation

Jason T. DeJong, Michael G. Gomez (presenters, authors)
Alexandra C.M. San Pablo, Charles M.R. Graddy, Douglas C. Nelson, Minyong Lee, Katerina Ziotopoulou, Maya El Kortbawi, Brina Montoya, and Tae-Hyuk Kwon (authors)

View video: YouTube

Author-ready print: download 

Jason DeJong

Professor Jason DeJong

Civil and Environmental Engineering
University of California, Davis
Davis, CA 95616