2025

• “Revolutionizing Foundations: Advances in Thermo-Active Piling Engineering”. John Mitchell Lecture – DFI-EFFC International Conference on Deep Foundations and Ground Improvement – Geotechnics Reimagined, Bruges, Belgium.
• “Advances in numerical design and analysis of underground nuclear waste repositories”. Prague Geotechnical Honorary Lecture, Prague, Czech Republic.
• “Revolutionizing Foundations: Advances in Thermo-Active Piling Engineering”. Opening presentation, British Geotechnical Association annual meeting, London, England.
• “Revolutionizing Foundations: Advances in Thermo-Active Piling Engineering”. Celebration of the 75th Anniversary of the Brazilian Association for Soil Mechanics and Geotechnical Engineering, Sao Paolo, Brazil.
• “Bio-cementation: Advancing Sustainable Soils Stabilization in Geotechnics”. Celebration of the 70th Anniversary of the Swiss Geotechnical Society, Bern, Switzerland.
• “Revolutionizing Foundations: Advances in Thermo-Active Piling Engineering”. 2th International Geotechnical Innovation Conference (IGIC 2025), Jeddah, Saudi Arabia.
• “Revolutionizing Foundations: Advances in Thermo-Active Piling Engineering”. 1st Geotech Asia Conference, Goa, India.

2024

• Keynote Lecture, “Bio-cementation: Transforming Scientific Discoveries into Market Solutions,” XVIII European Conference On Soil Mechanics And Geotechnical Engineering, ECSMGE 24, Lisbon, Portugal.
• Honorary lecture, “A New Era for Geotechnical Engineering Practice”,  XXIX Károly Széchy Memorial Lecture 2024, Budapest, Hungary.
• Keynote lecture “Unlocking Renewable Energy in the Urban Subsurface,” 7th International Conference Series on Geotechnics, Civil Engineering and Structures, Hochi Minh City, Vietnam.
• Keynote lecture “Bio-cementation: Transforming Scientific Discoveries into Market Solutions,” 5th International Conference of Environmental Geotechnology, Recycled Waste Materials and Sustainable Engineering, Warsaw, Poland.
• Keynote lecture “Exploitering the Renewable Energy Resources of our Cities’ Underground,” 11th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, Macao, SAR.
• Keynote lecture “Soil Reinforcement based on Bio-Geo-Chemical Processes,” 28th European Young Geotechnical Engineers Conference EYGEC2024, Macedonia.
• Keynote Lecture: “Bio-cementation: A game-changing innovation shaping the future of geotechnics,” International Geotechnical Innovation Conference, Dubai, UAE.
• Keynote Lecture: “Smart exploitation of the renewable energy situated under our cities,” 19th Nordic Geotechnical Meeting, Göteborg, Sweden.
• Keynote Lecture: “Tailor-made Soil Properties by Bio-Geo-Chemical Means,” ALIVE Symposium 2024, Zurich, Switzerland.

2023

• Keynote lecture: “Numerical analysis of multiphysical processes in the vicinity of a nuclear waste repository,” 9th Geotechnical Symposium Istanbul, Türkiye.
• Keynote lecture, “Energy geotechnology: a new era for geotechnical engineering practice,” 17th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering 2023, Astana, Kazakhstan, August, 2023
• Distinguished lecture: “Smart exploitation of the renewable energy situated under our cities,” Hong Kong University, July 2023.
• Keynote lecture: “Carbon Dioxide Injection into Deep Aquifers: A Geomechanical Perspective,” 9th International Congress on Environmental Geotechnics (9ICEG), Greece, June 2023
• Keynote lecture: “Exploiting the renewable energy resources of our cities’ underground,” European Conference on Geotechnical Engineering (17DECG),  Bucharest, Romania, June 2023
• Keynote lecture: “Smart exploitation of the renewable energy situated under our cities,” International Conference on Advances in Structural and Geotechnical Engineering (ICASGE’23),  Hurghada, Egypt, March 2023

2022

• Keynote lecture: “Innovation for a Sustainable Geotechnical Engineering Industry,” The Big 5, International Building and Construction Show,  Dubai, December 2022.
• Distinguished Lecture, Northwestern Sustainability Summit on “Earth-Human Interactions: Sustainability and Development”, Chicago, Octobber 2022.
• Keynote lecture: “Tailor-made soil properties by bio-geochemical means,” 16^th International Conference of the International Association for Computer Methods and Advances in Geomechanics Turin, August 2022.
• Keynote lecture: “Energy from Geotechnical Constructions: Analysis and Design,” XXVII Italian National Congress on Geotechnical Engineering for a Sustainable Development,  Reggio Calabria, February 2022.
• Honorary lecture: “Tailor-made soil properties by bio-geochemical means,” Vienna – Terzaghi Lecture, Austrian Geotechnical Conference,  Vienna, April 19, 2022
• Keynote lecture: “Field Monitoring and Simulations of Nuclear Waste Barrier Systems,” 2nd International Conference on Energy Geotechnics,  San Diego, April 10-13, 2022.

2021

• Keynote lecture: GE@2M (Grand Est, Mécanique et Matériaux), online, December 13-14, 2021 

2020

• Keynote lecture, 4th European Conference on Unsaturated Soils, Lisboa, Portugal, 19 to 21 October 2020.
• Keynote lecture: “Energy Geotechnology: A New Era for Geotechnical Engineering Society,” University of Minnesota 68th Annual Geotechnical Engineering Conference,  Minneapolis, February 25-28, 2020.
• Distinguished Lecture, Northwestern Sustainability Summit on “Earth-Human Interactions: Sustainability and Development”, April 8th 2020.