Interviews with the Industry
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.
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 nex...
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.
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 beha...
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 video
0:00 Welc...
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 Welcome
2:48 Miami FL
6:26 York PA
10:56 Bogotá COL
13:25 Medellín COL
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...
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_UNITS
On behalf of DFI, we hope you enjoy this presentation.
The views, information or...
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 opini...
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 n...
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/GSI
In addition, Michael Bennett, P.E., Gannett Fleming, contributes a solo segment.
Interviews with the Industry Episode 1 - April 2024
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:
Bernardo Jimenez, H SolísCassie Rutherford, Ph.D., and Yuderka Trinidad, Ph.D., Iowa State University Rick Ford, SuffolkAnahita Modiriasari, P.Eng., WSP CanadaIn addition, Michael Bennett, P.E., A.G.E.S., contributes a solo segment.