Jason DeJong

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Presentations

Keynote Presentations

  1. “Bio-Mediated Soil Improvement”, Opening Keynote Presentation at the 1st International Bio-Geo-Civil Engineering Conference, Delft, Netherlands, June 23, 2008.
  2. “General Report – In-situ Testing” 17th International Conference on Soil Mechanics and Foundation Engineering, October 7, 2009.
  3. “Bio-Mediated Ground Improvement – Part of the Future?”, Deep Foundations Institute, Ground Improvement Workshop, Los Angeles, CA, October 12, 2010.
  4. “Seismic and Resistivity Measurements for Real-Time Monitoring of Bio-Mediated Soil Improvement”, American Geophysical Union, San Francisco, CA, December 6, 2011.
  5. “Variable Penetration Rate Cone Testing for Characterization of Intermediate Soils”, 4th International Site Characterization Conference, Receife, Brazil, September 19, 2012.
  6. “Biological Improvement of Sand for Liquefaction Prevention & Mitigation”, Geotechnique Symposium in Print @ Institute of Civil Engineer Headquarters, London, UK, June 3, 2013.
  7. “Bio-Geo-Chemical Processes for Improvement of Soil Engineering Properties”, Couple Phenomena in Environmental Geotechnics, Turin, Italy, July 2, 2013.
  8. “Liquefaction Characterization of Gravelly Soils”, CalGeo Conference, Carmel, CA, April 24, 2015.
  9. “Advances in the Characterization of Gravelly Soil Deposits” [keynote presentation], ASCE GeoVirginia Conference, Williamsburg, Virginia, October 20, 2016. 
  10. “Sustainable Biogeotechnics: Moving from Research to Practice”, 48th Kansas Geotechnical Conference, Kansas City, Kansas, November 11, 2016.
  11. “Centrifuge model testing of liquefaction mitigation via microbially induced calcite precipitation” [keynote presentation], B2G Conference, Atlanta, GA, September 12, 2018.
  12. “Geo-Technology Innovation: The Drivers of Sustainability and Bio-inspired Design” [keynote TED-style presentation], ASCE GeoCongress 2019, Philadelphia, Pennsylvania, March 27, 2019. 
  13. “The Behavior and Characterization of Coarse-Grained Gravelly Soils” [keynote presentation], 2019 Chicago Geotechnical Lecture Series, Oak Brook, Illinois, May 20, 2019. 
  14. “The Use of Cone Penetration Testing for Integrated Site Characterization” [keynote presentation], 26th Vancouver Geotechnical Society Symposium, Vancouver, Canada, May 31, 2019. 
  15. “The Behavior and Characterization of Coarse-Grained Gravelly Soils”, 2019 Chicago Geotechnical Lecture Series, Case Studies and Lessons in Geotechnical Engineering, Chicago, Illinois, May 10, 2019.
  16. “Biogeotechnics: Bio-mediated Processes and Bio-Inspired Ideas for Geotechnical Engineering Innovation”, The National Academies of Sciences, Engineering, and Medicine’s Committee on Geological and Geotechnical Engineering, Webinar Series, Thursday February 20, 2020.
  17. “Biogeotechnics – State of the Art”, Advancements in Geotechnical Engineering: From Research to Practice (international online forum), October 3, 2020.
  18. “MICP Optimization for Field-Scale Implementation.” First International Conference on Microbial Biotechnology in Construction Materials and Geotechnical Engineering, Nanjing, China (& On-online), November 6, 2020.
  19. “Optimization of CPT Soundings to Reduce Uncertainty in Interpretation of Subsurface Stratigraphy” Proc. 6th Int. Conf. on Site Characterization, Budapest, Hungary, September 27, 2021.
  20. “Emerging Opportunities in Biogeotechnics”, ASCE Mohawk-Hudson Section, 13th Annual Capital Region, Geotechnical Symposium, November 12, 2021.
  21. “State of the Art: MICP soil improvement and its application to liquefaction hazard mitigation”, 20th ICSMGE, Sydney, Australia, May 4, 2022.
  22. “Soil Liquefaction Evaluation Using the CPT”, CPT’22, Bologna, Italy, June 10, 2022. 
  23. “Tracking seismically-induced embankment deformations using high-speed camera arrays and PIV in a large centrifuge model”, Physical Modeling in Geotechnics Conference, Seoul, Korea, September 22, 2022.
  24. “The Influence of Soil Gradation on Penetration Resistance and the Dynamic Response of Level and Sloping Gound”, 1st ASCE Prakash Award, ASCE GeoCongress 2023, Los Angeles, CA, March 27, 2023. 
  25. “The Effect of Soil Gradation on the Dynamic Response of Embankments”, 3rd International Congress of Geotechnical Engineering, Mining and Seismicity, May 3, 2023. 
  26. “Biogeotechnics: a catalyst for innovation towards more sustainable practices”, 7th Geotechnique Anniversary, London, UK, October 27, 2023.
  27. “Infrastructure Geotechnics in Gravelly Soils: Considerations in Characterization and Engineering Analysis”, 2023 Geotechnical Engineering Distinguished Seminar Series, University of Nevada Reno, Reno, Nevada, December 1, 2023. 
  28. “Life-Cycle-Based Considerations in Design of Driven Piles”, SuperPile’24 Conference, San Francisco, CA, June 14, 2024. 
  29. “Biogeotechnics: MICP Ground Improvement Design to Support Structures Founded on Liquefiable Soils”, 1st Biogeotechnics Lecture Award, MBCMG 2024 Conference, Singapore, August 15, 2024. 
  30. “Centrifuge Modeling of Embankment Dams: Projects, Contributions, & Opportunities”, Society of American Military Engineers Conference, UC Davis, Davis, CA, November 12, 2024.
  31. “The Future of Site Characterization: Framework, Formation, Tools, and Interpretation”, 27th Annual US NRC Regulatory Information Conference – Charting the Next 50 Years, Bethesda, Maryland, March 13, 2025. 
  32. “Biogeotechnics as a catalyst for sustainable innovation – inception, advances, & challenges”, International Conference on Biomediated and Bioinspired Geotechnics, Phoenix, AZ, May 20, 2025. 
  33. “Evaluating Liquefaction of Gravelly Soils: The Influence of Soil Gradation on Penetration Resistance and the Dynamic Response of Level and Sloping Ground”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Toronto, Canada, March 31, 2025
  34. “Evaluating Liquefaction of Gravelly Soils: The Influence of Soil Gradation on Penetration Resistance and the Dynamic Response of Level and Sloping Ground”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Kingston, Canada, April1, 2025
  35. “Evaluation and Remediation of Embankment Dams: Insights and Advances Enabled by Centrifuge Modeling”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Montreal, Canada, April 2, 2025
  36. “Evaluation and Remediation of Embankment Dams: Insights and Advances Enabled by Centrifuge Modeling”, Canadian Geotechnical Society Cross-Canada Lecture Tour – St. John’s, Canada, April 3, 2025
  37. “Evaluating Liquefaction of Gravelly Soils: The Influence of Soil Gradation on Penetration Resistance and the Dynamic Response of Level and Sloping Ground”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Victoria, Canada, April 14, 2025
  38. “Evaluating Liquefaction of Gravelly Soils: The Influence of Soil Gradation on Penetration Resistance and the Dynamic Response of Level and Sloping Ground”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Vancouver, Canada, April 14, 2025
  39. “Biogeotechnics as a Catalyst for Innovation: MICP soil improvement and its application to liquefaction hazard mitigation”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Calgary, Canada, April 15, 2025
  40. “Evaluation and Remediation of Embankment Dams: Insights and Advances Enabled by Centrifuge Modeling”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Edmonton, Canada, April 16, 2025
  41. “Evaluation and Remediation of Embankment Dams: Insights and Advances Enabled by Centrifuge Modeling”, Canadian Geotechnical Society Cross-Canada Lecture Tour – Winnipeg, Canada, April 17, 2025

 

Invited Presentations

  1. “Improving CPT Based Pile Design Methods Through the Direct In-Situ Measurement of Interface Strength”, American Society of Civil Engineers, Deep Foundations Short Course, Atlanta, GA, January 22, 2000.
  2. “Investigation and Assessment of Interface Mechanisms in Geotechnical Engineering”, GeoDelft, Delft, Netherlands, June, 16, 2000.
  3. “Investigation of Particulate-Continuum Interface Mechanisms and Their Assessment Through a Multi-Friction Sleeve Penetrometer Attachment”, Presented at: University of Texas, Austin (May 8, 2001), University of Massachusetts, Amherst (April 26, 2001), Stanford University, (March 8, 2001), Montana State University (February, 2001), Ohio University, (January 24, 2001).
  4. “Laboratory and Field Investigations of Factors Affecting Interface Strength”, Center for Offshore Foundation Systems, University of Western Australia, Perth, Australia, September 7, 2001.
  5. “A New Multi-Friction Sleeve Penetrometer”, University of Christchurch, Christchurch, New Zealand, December 3, 2001.
  6. “Interface Load Transfer Degradation During Cyclic Loading”, Northeastern University, March 28, 2003.
  7. “Interface Load Transfer Degradation During Cyclic Loading”, Massachusetts Institute of Technology, April 8, 2003.
  8. “In Situ Detection of Stratigraphic Variations Using a Miniature Piezoprobe”, University of California Davis, January 5, 2004.
  9. “Multi-Scale Characterization and Analysis of Soil-Structure Interfaces”, University of California Davis, April 4, 2005.
  10. “Multi-Scale Characterization and Analysis of Soil-Structure Interfaces”, University of California Berkeley, November 14, 2006.
  11. “Bio-Soils Interdisciplinary Science and Engineering Initiative”, National Science Foundation, August 22, 2007.
  12. “UC Davis Bio-Mediated Cementation of Sands and the US-UK Bio-Soils Initiative”, Transportation Research Board, Washington, D.C., January, 15, 2008.
  13.  “The Use of Full-Flow Penetrometers in Soft Clay”, Norwegian Geotechnical Institute, Oslo, Norway, June 19, 2008.
  14.  “Recommended Testing and Interpretation of Full-Flow Penetrometer Testing”, Fugro Inc, Offshore Engineering Division, Leidschendam, Netherlands, June 20, 2008.
  15. “Recommended Testing and Interpretation of Full-Flow Penetrometer Testing”, Deltares, Delft, Netherlands, June 25, 2008.
  16. “Effects of Sample Disturbance and Consolidation Procedures on the Behaviour of Intermediate Soils”, Center for Offshore Foundation Systems, University of Western Australia, May 28, 2010.
  17. “The Use of Full Flow Penetrometers in Soft Clay”, ConeTec, Vancouver, Canada, January 27, 2011.
  18. “Life Cycle Assessment of Ground Improvement Methods: Implementation & Challenges”, NRC Committee on Geological and Geotechnical Engineering Meeting, Washington, D.C., December 15, 2011.
  19. “Variable Penetration Rate Cone Testing: A Numerical & Experimental Investigation”, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil, May 2, 2013.
  20. “Characterization of Intermediate Soils: Laboratory vs. In-situ Characterization”, University of Cambridge, Cambridge, UK, May 30, 2013.
  21. “Characterization of Intermediate Soils “Should I Trust Laboratory or
  22. In-situ Measurements?”, GEI Consultants, Rancho Cordova, CA, November 22, 2013.
  23. “Geophysical Measurements for Real-time Monitoring of Biogeochemical Processes for Improvement of Soil Engineering Properties and Subsurface Environmental Conditions”, American Geophysical Union, San Francisco, CA, December 12, 2013.
  24. “iBPT Analysis at Headworks West Reservoir”, LADWP, Los Angeles, CA, February 13-14, 2014.
  25. “Instrumented Becker Penetration Test (iBPT) for Improved Characterization of Gravelly Deposits”, NC State, Raleigh, N.C., February 27, 2014.
  26. “A new instrumented Becker Penetration Test (iBPT) for Improved Characterization of Gravelly Deposits”, USBR, Denver, CO,  March 31, 2014.
  27. “New instrumented Becker Penetration Test (iBPT) for Improved Characterization of Gravelly Deposits Within and Underlying Dams”, ASDSO Conference, San Diego, CA, September 22, 2014.
  28. “Instrumented Becker Penetration Test for Liquefaction Assessment of Gravelly Soils”, USACE – Sacramento Section, Sacramento, CA, December 4, 2014.
  29. “Instrumented Becker Penetration Test for Liquefaction Assessment of Gravelly Soils”, IACGE 18th Geotechnical Workshop, Los Angeles, CA, February 20, 2015.
  30. “Characterization of Gravelly Alluvium”, 6th ICEGE, Christchurch, NZ, November 2, 2015. 
  31. “Characterization of Gravelly Soils for Geotechnical Engineering Applications”, Cavendish Laboratory, Cambridge University, April 21, 2016.
  32. “Sustainable Biogeotechnics: The Emergence of Bio-inspired and Bio-mediated Geotechnical Innovation”, Geotechnical Engineering Group, Cambridge University, April 27, 3016.
  33. “Integrated Approach to Characterization of Gravelly Alluvium”, BP Institute, Cambridge University, April 28, 2016.
  34. “Bio-mediated Soil Improvement”, Geotechnical Engineering Group, University of Dundee, May 10, 2016.
  35. “Considerations in the Development of CPT Based Empirical Correlations”, Offshore Engineering Group, Fugro Engineers B.V., Nootdorp, Netherlands, July 6, 2016.
  36. “Transforming Sand to Sandstone: Increasing the Reliability of Civil Infrastructure”, Sand – An (In)finite Resource, Course by ETH Zurich & TU Delft, Delft, Netherlands, July 7, 2016.
  37. “Opportunities and Strategies for Obtain NSF Research Funding”, Geotechnical Frontiers 2017, Orlando, Florida, March 14, 2017.
  38. “Building a Strong Research Network”, Sr. Geotechnical Faculty Panel and Breakfast: Building a Purposeful Community”, NSF Geotechnical Women Faculty – Networked and Thriving workshop, May 12, 2017.
  39.  “Sustainable Biogeotechincs: Developing Bio-mediated and Bio-inspired Solutions for Hazard Mitigation”, Univeristy of California, San Diego, May 1, 2018.
  40.  “Development of an Innovative Research Program”, 2nd USUCGER Career Development Workshop for Junior Faculty, Cleveland, Ohio, May 21, 2018.
  41. “Introduction to the Center for Bio-mediated and Bio-inspired Geotechnics”, Caltrans, Sacramento, CA, December 6, 2018.
  42. Expert Panel w/ Presentation on Site Evaluation & Recommendations, CalGeo 2019 Conference, San Diego, California, April 10-12, 2019. 
  43. “Bio-cementation for Mitigation of Earthquake-induced Soil Liquefaction”, Golder Associates, Vancouver, B.C., May 30, 2019.
  44. “The Effects of Soil Gradation on the Dynamic Response of Sloping Ground”, USSD Earthquake Committee Seminar, January 26, 2021.
  45. “The Effects of Soil Gradation on the Dynamic Response of Embankments”, CA DSOD Internal Webinar, September 8, 2021.
  46. “A System-Level Study to Evaluate the Role of Soil Gradation on Seismically Induced Embankment Deformations”, PEER Researcher’s Workshop, August 16, 2021.
  47. “The Effects of Soil Gradation on the Dynamic Response of Embankments”, UC Berkeley Seminar Series, December 1, 2021.
  48. “Well-Graded Gravelly Soils: Expected Performance, Analysis Framework, & Characterization Methods”, Geosyntec Consultants, May 18, 2022.  
  49. “CPT for Static and Cyclic Liquefaction: Challenges & Opportunities”, CPT’22 Conference, Bologna, Italy, June, 20, 2022, Invited Plenary Talk.
  50. “MICP soil improvement and its application to liquefaction hazard mitigation”, KAIST Civil and Environmental Engineering Seminar, Daejon, Korea, September 19, 2022. 
  51. “MICP soil improvement and its application to liquefaction hazard migitation”, Arizona DOT, January 31, 2023. 
  52. “MICP soil improvement and its application to liquefaction hazard migitation”, USACE Webinar, February 1, 2023. 
  53. “MICP soil improvement and its application to liquefaction hazard migitation”, USBR Zoom Webinar, February 21, 2023. 
  54. “MICP soil improvement and its application to liquefaction hazard migitation”, CUS Biogeotechnics Online Seminar Series, July 13, 2023. 
  55. “The Effect of Soil Gradation on the Dynamic Performance of an Earthen Embankment”, 2023 PEER Annual Meeting, Berkeley, CA, August 25, 2023. 
  56. “The Importance of Soil Gradation: Linking Micro-scale Changes to Macro-scale Behavior”, Imperial College London, London, UK, October 23, 2023. 
  57. “Biogeotechnics for Sustainable Geotechnical Innovation”, CREST 2023, November 20, 2023.
  58. “Centrifuge Modeling of Embankment Dams: Projects, Contributions, & Opportunities”, US Bureau of Reclamation, March 13, 2024.
  59. “Biogeotechnics: a catalyst for innovation towards more sustainable practices”, ETH Zurich – Distinguished Lecture Series on Engineering with Living Materials, Zurich, Switzerland, May 6, 2024. 
  60. “The Center for Geotechnical Modeling at UC Davis”, United Nations General Assembly 79 Science Summit, September 16, 2024. 
 

Meeting Presentations & Outreach Events

[Presentatations for NSF Engineering Research Center for Bio-mediated and Bio-inspired Geotechnics at NSF, internal, and industry meetings is 4-5x per year from 2013 to 2025. These presentations are not listed below.]

  1. “Opportunities for Improving CPT Based Pile Design Methods”, Transportation Research Board, Annual Meeting 1999, Washington, D.C., January 13, 1999. 
  2. “Improved Measurements of Side Friction Using Textured CPT Friction Sleeves”, American Society of Civil Engineers, Geo-Institute, GeoDenver2000, Denver, Colorado, August, 5, 2000.
  3. “The ’S-Shaped’ Response of Soil Under Cyclic Shearing: a Micro-Mechanical Investigation”, Center for Offshore Foundation Systems Workshop, University of Western Australia, Perth, Australia, November 13, 2001.
  4. “Physical Evidence of Shear Banding at Granular-Continuum Interfaces”, American Society of Civil Engineers, Engineering Mechanics Conference 2002 Conference, New York, New York, June 4, 2002.
  5. “Detection of Soil Layering in Varved Clay using a Miniature Piezoprobe”, Soil Rock America 2003 Conference, Boston, MA, June 23, 2003.
  6. “Effect of Cementation on Cyclic Soil-Structure Interface Behavior”, American Society of Civil Engineers, Engineering Mechanics Conference 2003 Conference, Seattle, WA, July 18, 2003.
  7. “Evaluation of the Undrained Shear Strength Profile in Soft Layered Clay Using Full-Flow Probes”, 2nd International Site Characterization Conference, Porto, Portugal, September 21, 2004.
  8. “Role of Initial Specimen State and Particle Properties to the Breakage Potential of Granular Soils”, Geo-Quebec Conference, Quebec City, Canada, October 25, 2004.
  9. “Pore Pressure Characterization of Geotechnical Site Using Multi-Level Vibrating Wire Piezometers”, Geo-Quebec Conference, Quebec City, Canada, October 27, 2004.
  10. “Interface Critical State Measurements from Microscale PIV Analysis”, NSF-EPSRC Workshop on Micro-Geomechanics Across Multiple Strain Scales, Cambridge, UK, March 21, 2005. 
  11. “Considerations in Determining the Remoulded Undrained Shear Strength from Full Flow Penetrometer Cycling”, International Symposium on Frontiers in Offshore Geotechnics, Perth, Australia, September 21, 2005.
  12. “Biologically Induced Improvement of Loose Sand”, 8th National Conference on Earthquake Engineering, San Francisco, CA, April 21, 2006.
  13. “The influence of full-flow penetrometer area ratio on undrained strength measurements”, 6th International Conference on Offshore Site Investigation and Geotechnics, Society for Underwater Technology (SUT), September, 13, 2007.
  14. “Bio-Mediated Ground Improvement”, Transportation Research Board, Washington, D.C., January, 15, 2008.
  15. “Bio-Medited Calcite Precipitation”, ASCE Geo-Congress, New Orleans, March 10, 2008.
  16. “Linking Micro-Scale Behavior with Measured Global Interface Response”, Research Symposium on the Characterization and Behavior of Interfaces, September 21, 2008.
  17.  “Real-Time Geophysical Monitoring of Bio-Mediated Soil Improvement”, AGU Chapman Conference on Bio-Geophysics, October 13-16, 2008.
  18.  “Bio-Mediated Soil Improvement: Load Transfer Mechanisms at the Micro- and Macro- Scales” U.S.-China Workshop on Ground Improvement Technologies, March 14, 2009.
  19.  “Upscaling of bio-mediated soil improvement”, 17th International Conference on Soil Mechanics and Foundation Engineering, October 8, 2009.
  20. “Engaging Students with Diverse Learning Styles in Large Geotechnical Engineering Classes”, ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011, March 14, 2011.
  21. “Biological Improvement of Sand for Liquefaction Prevention and Damage Mitigation”, NSF NEESR Annual Conference, Boston, MA, July 11, 2012.
  22. “2nd International Workshop on Bio-Soil Interactions and Engineering”, NSF CMMI Annual Conference, Boston, MA, July 10, 2012.
  23.  “Improved Characterization of Gravelly Soils Using an Instrumented Becker Penetration Test”, PEER Annual Meeting, Oakland, CA, October 26, 2012.
  24. “Bacteria, Bio-films, and Invertebrates…the Next Generation of Geotechnical Engineers?”, GeoCongress 2014, Atlanta, GA, February 24, 2014.
  25.  “New instrumented Becker Penetration Test (iBPT) for Improved Characterization of Gravelly Deposits Within and Underlying Dams”, ASDSO Conference, San Diego, CA, September 22, 2014.
  26. “A Bio-Inspired Perspective for Geotechnical Engineering Innovation”, Geotechnical Frontiers 2017, Orlando, Florida, March 13, 2017.
  27. “An acid dissolution method for preparation of contractive fine-grained soil specimens”, IS Atlanta, September 11, 2018.
  28.  “A Review of Legal Claims and Recommended Risk Management Practices for Site Characterization in Geotechnical Engineering.” ASCE GeoCongress 2020, Minneapolis, Minnesota, February 27, 2020.
  29. “Life Cycle Assessment of Site Characterization Methods.” ASCE GeoCongress 2020, Minneapolis, Minnesota, February 27, 2020.
  30. “Evaluation of Soil Disturbance due to Sonic Drilling using Instrumentation and Cone Penetration  Test Measurements”, GeoNiagara, Toronto, Canada, September 27, 2021.
  31. “MICP Treatment of Carbonate Rich Blessington Sand – Results & Ongoing Work”, NSF CBBG – iCRAG – Queen’s University Belfast Project Meeting, Dublin, Ireland, June 28, 2022.
  32. “CGM Facility Introduction & Tour for Congressional Delegation”, UC Davis Center for Geotechncial Modeling, Davis, CA, October 24, 2023.  
  33. “CGM Facility Introduction & Tour for UC Davis Earth and Planetary Sciences Department”, UC Davis Center for Geotechncial Modeling, Davis, CA, November 28, 2023.  
  34. “CGM Facility Introduction & Tour for UCOP and UC Davis Leadership”, UC Davis Center for Geotechncial Modeling, Davis, CA, January 22, 2024.  
  35. “CGM Facility Introduction & Tour for UCOP Lead Federal Liason Officer”, UC Davis Center for Geotechncial Modeling, Davis, CA, January 24, 2024.  
  36. “CGM Facility Introduction & Tour for UC Federal Liason Officers Meeting”, UC Davis Center for Geotechncial Modeling, Davis, CA, July 7, 2024.  
  37. “CGM Facility Introduction & Tour for Representative Thompson”, UC Davis Center for Geotechnical Modeling, Davis, CA, October 3, 2024.  
  38. “Effect of Microbial Induced Calcite Precipitation on Liquefaction Mitigation”, US Air Force Research Laboratory Collaboration Meeting, January 29, 2025.
 

Convocation Speaker

  1. “The Story We Find Ourselves In”, University of Massachusetts Amherst, College of Engineering Graduation Faculty Speech, May 21, 2006.
 
 

Short Courses

  1. “Soil Engineering In-vivo: Harnessing Natural Biogeochemical Systems for Sustainable Multi-Functional Solutions”, Master Class,Institute for Advanced Studies, University of Western Australia, April 22, 2010.
  2. “Geotechnical Site Characterization: Integrated In Situ Testing, Drilling & Sampling, & Laboratory Testing”, GeoCongress 2013, March 3, 2013.
  3. “Geotechnical Site Characterization: Integrated In Situ Testing, Drilling & Sampling, & Laboratory Testing”, GeoCongress 2014, March 23, 2014.
  4. “Soil Liquefaction During Earthquakes – Recent Developments”, UC Davis, Oct. 24, 2014.
  5. “Site Characterization of Soft Sediments”, ConeTec, Inc., Vancouver, Canada, Nov. 13, 2014.
  6. “Gravel Characterization Workshop”, UC Davis, April 1, 2015.
  7. “Soil Liquefaction During Earthquakes – Recent Developments”, Seattle, Washington, May 1, 2015.
  8. “Integrated Site Characterization”, UC Davis, Oct. 23, 2015.
  9. “Integrated Subsurface Characterization and Selection of Design Parameters”, ConeTec Inc., Vancouver, B.C., Canada, January 6, 2017.
  10. “Developing Biogeotechnical Solutions for Hazard Mitigation”, GeoHazards Workshop, Berkeley, California, March 21, 2017.
  11. “Integrated Subsurface Characterization with In-situ Testing for Geotechnical Analysis and Design”, ASCE Kansas City Section, Kansas City, MO, January 19, 2018. 
  12. “Integrated Subsurface Characterization for Selection of Design Parameters”, CalGeo Conference, Santa Rosa, CA, April 19, 2018.
  13. “Impact Testing for Site Characterization Workshop”, DFI SuperPile Conference, May 1, 2019.
  14. “CGS-SOS Workshop: Field Investigation and Laboratory Testing”, Southern Ontario Section, Canada, April 20-21, 2022. 
  15. “Geotechnical Site Characterization”, ASCE Orange County Section, Irvine, CA, July 14, 2022.
  16. “Pushing, Expanding, and Hammering – How Modern In-situ Testing Techniques Improve Site Characterization of Overburden – From Soft Sediments to Gravels and Glacial Tills”, Vancouver Geotechnical Society, Vancouver, Canada, November 30 – December 1, 2022. 
  17. “Pushing, Expanding, and Hammering – How Modern In-situ Testing Techniques Improve Site Characterization of Overburden”, Calgary, Canada, May 9, 2023. 
  18. “NHERI Centrifuge Users’ Workshop”, Center for Geotechnical Modeling, UC Davis, Davis, CA, October 12-13, 2023. 
  19. “Site Characterization, Exploration, and In Situ Testing – A Module in the Updated California Registered Geotechnical Engineer Exam Study Series”, CalGeo, April 30, 2024.
  20. “Site Investigation for Tailings, Mine Waste, & Heap Leach”, 2023 Tailings and Mine Waste Conference, November 5, 2023. 
  21. “Characterization and Dynamic Performance of Gravelly Soils”, GeoCongress 2024, Vancouver, Canada, February 25, 2024. 
  22. “Communicate, Connect, Excel: The Proactive Professional’s Toolbox” (Workshop for Young Professional Engineers), US Society on Dams, April 22, 2024. 
  23. “Cone Penetration Testing”, Berkeley, CA, October 7, 2024. 
  24. “NHERI Centrifuge Users’ Workshop”, Center for Geotechnical Modeling, UC Davis, Davis, CA, October 10-11, 2023. 
  25. “Site Investigation Short Course: CPT & More”, Portland State University, Portland, OR, November 1, 2024. 
  26. “Recent Advancements in Geotechnical Site Characterization”, Calgary Geotechnical Society, Calgary, Canada, April 15, 2025. 
  27. “Recent Advancements in Geotechnical Site Characterization”, Edmonton, Canada, April 16, 2025. &