DFI S3: Slopes, Support and Stabilization

August 5-7, 2025 | Madison, Wisconsin

Join us for DFI S3: Slopes, Support, and Stabilization, a dynamic 2.5-day conference dedicated to the practical application of deep foundation and ground improvement solutions. This event focuses on techniques for stabilizing soft ground, landslides, and slopes, as well as supporting deep excavations.

Explor a robust technical program featuring:

• The latest state-of-practice methodologies
• Innovative technologies and advancements
• Insightful case studies
• Updates on ongoing research in deep foundations, anchored earth retention, slurry walls, ground improvement, and deep mixing.

A standout feature of the conference is the popular software discussion—an interactive panel diving into the effective use of analytical software for slope stabilization, landslide mitigation, and deep excavation projects.

Schedule Overview

Tuesday, August 5

Conference Day 1:

• Technical Committee Meetings
• Women in Deep Foundations Networking Reception

Wednesday, August 6

Conference Day 2:

• Exhibits, Technical Sessions and Welcome Reception

Thursday, August 7

Conference Day 3:

• Exhibits and Technical Sessions

Organizing Committee

Nathan Iverson, P.E., of Veit is the S3 2025 Conference Chair, and Edward Laczynski, P.E. of Wagman Heavy Civil, Christopher Ramsey, P.E. of Schnabel Engineering, LLC, Jeff Segar, P.E., S.E. of GeoStabilization International and Timothy Siegel of Dan Brown and Associates are the Technical Program Co-Chairs. They are supported by a dedicated group of local and national industry professionals who serve on the program committee.