Interviews with the Industry

Hosted by Deep Foundations Institute

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Mar 2026

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About the show

DFI's podcast team discusses current affairs with leaders in the industry while in the field. Launching on April 25, 2024, each episode will be 30 minutes, with two hour-long Deep Dive specials.

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11 recent

March 31, 2026Episode 1115 min

Interviews with the Industry Episode 11 - April 2026

Episode 11 Interviews with the Industry of kicks off in Pennsylvania where Host Sebastian Lobo-Guerrero, Ph.D., P.E., BC.GE, AGES, covers a 12-hour creep tension test on hollow bar micropiles — providing a clear, practical walkthrough of the setup, equipment and the critical acceptance criteria that determine success in the field. Then, Host Lucky Nagarajan of Geocomp heads to India to speak with Professor Pro Anabazhagan, Ph.D., from the Department of Civil Engineering at Indian Institute of Science, Bangalore. As the department marks its 75th anniversary, he shares insights into his lab, groundbreaking research and the next generation of engineers shaping the industry.On behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

March 5, 2026Episode 1026 min

Interviews with the Industry Episode 10 - February 2026

This episode of Interviews with the Industry delivers a two-part deep dive into innovation and real-world application. Host Sebastian Lobo-Guerrero, Ph.D., P.E., BC.GE, AGES, walks through new methods in scale testing for augured cast-in-place piles. Then, Host Lucky Nagarajan of Geocomp takes a dive into the Seattle Beacon Hill Station project with Andrew Drabick of HDR.

August 30, 2025Episode 922 min

Interviews with the Industry Episode 9 - July 2025 Deep Dive Part 2 - Piles

In this episode of Interviews with the Industry, host Tim Siegel, P.E., G.E., BC.GE, of Dan Brown and Associates, and guest Anne Lemnitzer, Ph.D., University of California, Irvine, complete their deep dive into piles — what every geotechnical engineer needs to know about lateral analysis of piles, p-y curves, shear spikes at the rock surface and (covered in this part) the rate of advancement of the displacement tool, as well as Anne's summary of the main points of the discussion. Series Sponsor Bauer Equipment America (https://www.bauer-equipment.com/en)On behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

July 23, 2025Episode 837 min

Interviews with the Industry Episode 8 - July 2025 Deep Dive Part 1 - Piles

In this episode of Interviews with the Industry. Host Tim Siegel, P.E., G.E., BC.GE, of Dan Brown and Associates, and guest Anne Lemnitzer, Ph.D., University of California, Irvine, take a deep dive into piles — what every geotechnical engineer needs to know about lateral analysis of piles, p-y curves and shear spikes at the rock surface. Lemnitzer is also co-editor in chief of the DFI Journal, vice president of DFI Europe and a former DFI trustee.Series Sponsor Bauer Equipment America (https://www.bauer-equipment.com/en)Content of this video0:00 Welcome1:25 Anne Lemnitzer's Intro04:00 Laterally Loaded Piles12:20 P-Y vs Numerical Model18:24 Geotechnical Reports Profiling 10+ Layers 26:32 Rock Socketed Piles33:56 Shear Spike37:05 Close Part 1On behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

April 28, 2025Episode 723 min

Interviews with the Industry Episode 7 - April 2025

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.In this first episode of 2025 join Sebastian Lobo-Guerrero as he travels through:Miami FL to explore bi-directional testing.York PA, where he explores Driven Piles in Karst. Then, through 2 locations in Colombia, Bogotá and Medellín where explores load testing. Series Sponsor Bauer Equipment America (https://www.bauer-equipment.com/en)Contents of this Video:0:00 Welcome2:48 Miami FL6:26 York PA10:56 Bogotá COL13:25 Medellín COL

September 23, 2024Episode 624 min

Interviews with the Industry Episode 6 - September 2024

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.In this final episode for 2024, hosts Lucky Nagarajan of Geocomp; Timothy Siegel, P.E., of Dan Brown and Associates; and Sebastian Lobo-Guerrero, Ph.D., P.E., BC.GE, of American Geotechnical & Environmental Services, interview a dynamic group of deep foundation professionals:- Professor Luis Arboleda (University of Central Florida) on pile testing equipment step through.- Matthew Glisson (Director of Technical Activities) discusses his and your role at DFI.- Ryan Allin (Pile Dynamics) with a quick tour through history of Pile DynamicsIn addition, Michael Bennett, P.E., Gannett Fleming, contributes his Geohistory segment.Contents of this video:00:00 Intro0:05 Luis Arboleda4:05 Matthew Glisson13:51 Ryan Allin16:53 Michael Bennett – GeohistoryOn behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

August 16, 2024Episode 532 min

Interviews with the Industry Episode 5 - August 2024 Deep Dive Part 2

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.In the second part of this Deep Dive special presentation, host Timothy Siegel, P.E. (DBA), and guest Tayler Day (UES) discuss the Modulus of Subgrade Reaction.References are as below:- Terzaghi (1955): https://geotechpedia.com/PUBLICATION/SHOW/3386/EVALUATION-OF-COEFFICIENTS-OF-SUBGRADE-REACTION- ACI SP-152: https://www.concrete.org/store/productdetail.aspx?ITEMID=SP152&FORMAT=DOWNLOAD&LANGUAGE=ENGLISH&UNITS=US_UNITSOn behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

July 23, 2024Episode 430 min

Interviews with the Industry Episode 4 - July 2024

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.In this episode, hosts Timothy Siegel, P.E., of Dan Brown and Associates and Lucky Nagarajan of Geocomp interview a dynamic group of deep foundation professionals:- Mary Nodine (FHWA)– Geo Poem- Luigi Rosa (Amtrak) and Lucky interview- Tian Dong (Malcolm drilling) & Tim interview In addition, Michael Bennett, P.E., Gannett Fleming, contributes his Geohistory segment.On behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

June 27, 2024Episode 322 min

Interviews with the Industry Episode 3 - June 2024 Deep Dive Part 1

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.In this episode, host Timothy Siegel, P.E., and Tayler Day (UES) discuss the Modulus of Subgrade Reaction, in the first part of this special presentation Deep Dive episode.On behalf of DFI, we hope you enjoy this presentation.The views, information or opinions expressed during Deep Foundations Institute’s podcasts are solely those of the individuals involved and do not necessarily represent those of DFI, the board of trustees, members or employees. DFI is not responsible for and does not verify the accuracy of any information contained. Nor does it warrant that the information contained herein is suitable for any general or specific use.The podcast is available for private, non-commercial use only. Editing, modification or redistribution of this podcast is prohibited.

May 21, 2024Episode 217 min

Interviews with the Industry Episode 2 - May 2024

Welcome to Interviews with the Industry, DFI's current affairs podcast, aimed at bringing you up to date industry news and insights. In this episode, hosts Timothy Siegel of Dan Brown and Associates, Lucky Nagarajan of Geocomp, and Sebastian Lobo-Guerrero of American Geotechnical & Environmental Services, interview a dynamic group of deep professionals:- Adam Blazejowski - DBA- Silas Nichols - FHWA- Tugce Baser – University of Illinois - Will Shaffer – PHD student at UofCali- Jeff Segar – Committee chair/GSIIn addition, Michael Bennett, P.E., Gannett Fleming, contributes a solo segment.