NASTT Officers & Board of Directors
The NASTT Board of Directors directs the affairs of the Society, on behalf of NASTT and its membership. The Board is comprised of a minimum of sixteen (16) and maximum of nineteen (19) directors, who are elected by the Society's members. Only elected Directors may serve as Officers of the Society and are appointed by the Board of Directors. Read more about NASTT’s leadership team in the brief introductions that follow.
Derek Potvin, P.Eng. – President, Robinson Consultants Inc.
Derek Potvin, P.Eng. is the President of the multidisciplinary engineering firm, Robinson Consultants Inc. He obtained his Bachelor of Applied Sciences with a minor in business administration from the University of Ottawa. Derek has been providing trenchless rehabilitation solutions to his clients for over 20 years, including a trenchless technology project that won a Canadian Consulting Engineering Award.
Derek is actively involved with NASTT’s No-Dig Show where he has authored many papers including a paper that won an award for Outstanding Paper, and for several years, he has been an instructor of NASTT’s Introduction to Trenchless Technology Short Course (sewer and watermain trenchless rehabilitation). Derek has also been involved as an organizer and instructor of NASTT’s Good Practices Courses and regional trenchless conferences, such as the Trenchless Road Show. Derek is the Treasurer for the Great Lakes, St. Lawrence and Atlantic Chapter (GLSLA).
Kimberlie Staheli, Ph.D., P.E. – President, Staheli Trenchless Consultants
Kimberlie Staheli is the President and founder of Staheli Trenchless Consultants in Seattle, Washington, a trenchless engineering consulting firm specializing in the design and construction management of all types of high risk trenchless projects for over 20 years.
Kim has a B.S. in Mechanical Engineering from Rensselaer Polytechnic Institute, a M.S. in Civil Engineering from Mississippi State University and a Ph.D. in Geotechnical Engineering from Georgia Institute of Technology. She is a Registered Professional Engineer in Washington, Oregon, California, Colorado, Ohio and Florida
Kim has specialized in trenchless design and construction working for contractors, performing trenchless research and working as a consultant. She is particularly interested in minimizing the risks of installation techniques including microtunneling, directional drilling, pipe ramming, auger boring and large diameter tunneling. Kim has focused on risk reduction through the development of geotechnical baseline reports as well as pro-active construction risk management. She has vast experience in trenchless forensics and post construction claims analysis and provides expert testimony.
Jennifer Glynn, P.E. – Senior Infrastucture Designer, RMC Water & Environment
Jennifer Glynn, P.E. is a Senior Infrastructure Designer for RMC Water and Environment in their Walnut Creek, California office. She earned her B.S. in Civil Engineering from the University of New Hampshire and then headed west to California. Jennifer has 17 years of experience in municipal infrastructure planning, permitting, design and construction management with an emphasis on pipeline design and the use of trenchless technology. She has published and presented papers on projects she designed using trenchless technology at conferences all over the country.
Jennifer has been a member of the No-Dig Show Program Committee for the past seven years and is one of the founding members of the Western Chapter (WESTT). She currently serves as Past Chair of WESTT and is a volunteer NASTT Pipe Bursting Good Practices Course and Introduction to Trenchless Technology instructor. Jennifer is also a member of the American Water Works Association Water Pipeline Rehabilitation Committee and a past Vice President of the Northern California Pipe User's Group (PUG).
Dave Krywiak, P.Eng. – Principal & Project Manager, Stantec Consulting Ltd.
Dave Krywiak is a Principal & Project Manager with Stantec Consulting Ltd. in their Edmonton, Alberta office. He obtained a B.S. degree in Civil Engineering from the University of Alberta in 1977 and has been employed in the consulting industry since that time. Many of the projects that Dave has been involved with have included significant trenchless technology components, such as conventional and microtunneling, horizontal directional drilling and cured-in-place pipe relining. He is one of the founding members of the Northwest Chapter (NASTT-NW) and has served on the Chapter Board for a number of terms, including a term as the Chapter Chair.
Immediate Past Chair
George Ragula – Distribution Technology Manager, Public Service Electric & Gas (PSE&G)
George Ragula is responsible for evaluating cutting edge technologies that increase efficiency and effectiveness of operations. Responsibilities include planning, coordinating, managing and implementing procedural and equipment technology transfer with particular emphasis on increased use of various trenchless technologies. He has spent the last 25 years committed to the ever-growing technologies in trenchless construction.
George has a very diverse background in gas distribution engineering and operations during his 35 year career in the gas industry. Prior to joining PSE&G in 1988, he held various positions at Brooklyn Union Gas in engineering, operations and management.
He is a member of the American Gas Association, American Society of Mechanical Engineers, Society of Gas Operators where he serves as Vice President, and the New Jersey Society of Asphalt Technologists. He serves as Treasurer of the Northeast Gas Distribution Council and is currently Immediate Past Chairman of the Board of Directors for the North American Society for Trenchless Technology. In addition, he served as Chairman of the NYSEARCH – Northeast Gas Association R&D Committee from 2004-2006 and is currently a technical project advisor for this group. George also previously served as a distribution project advisor for the Gas Research Institute for 20 years.
George is the recipient of several American Gas Association (AGA) awards including the 2000 Milton W. Heath Sr. Memorial Award for his contributions in the field of leak detection, the 2004 Distribution Achievement Award to recognize his outstanding contributions to the science and art of gas distribution, the 2006 Acker Medal and Award for his outstanding paper and presentation, “Robotics Technology Goes “Live” for Repairing Gas Mains”; and the 2009 John B. McGowan Sr. Research Award for his R&D contributions to the industry.
He received his BS Mechanical Engineering from Polytechnic Institute of Brooklyn in New York.
Erez Allouche, Ph. D., P.Eng. - Director, Trenchless Technology Center, Louisiana Tech University
Dr. Erez Allouche is an Associate Professor of Civil Engineering at Louisiana Tech University, the Director of the Trenchless Technology Center, and the holder of the T.L. James Eminent Scholar Chair in Civil Engineering. He is a licensed professional engineer registered at the Province of Alberta, Canada. His work focuses on the development of new technologies as well as design and analysis models for various underground construction methods and condition assessment techniques. He is the recipient of the Ontario Premier Research Excellence Award (2001), University Research Award (2005, 2008), the Engineering and Science Foundation's Award (2006), Louisiana Engineering Foundation Professional Award (2010), Best Technical Paper NASTT No-Dig Show (2011) and the Governor of Louisiana Technology Product of the Year Award (2012).
Over the past 12 years Dr. Allouche served as the PI and Co-PI of research projects in the area of buried infrastructure totaling over $12 M, and supervised 50 graduate students in this field. Many of these students are practicing professionals or educators in the fields of municipal engineering or construction management. He is the inventor (or co-inventor) of 14 patents in the area of trenchless technologies, and the author (and co-author) of more than 200 publications in the fields of buried infrastructure management and trenchless techniques, including 60 peer-reviewed journal papers. He is also the co-founder of two start-up companies based in Ruston, Louisiana. Dr. Allouche teaches undergraduate and graduate courses in the areas of infrastructure management, construction management, construction equipment and methods and trenchless technology. He is an Associate Editor of the recently launched ASCE Journal of Pipeline Systems.
Don Del Nero, P.E., C.D.T - Tunneling & Trenchless Practice Leader, Stantec
Don has over 23 years of experience including planning, studies, design, and construction management in the areas of tunnel and trenchless engineering. Don obtained his MS in Geotechnical Engineering from Syracuse University and his BS in Civil Engineering from Clarkson University. His project experience covers over 50 projects, over 40 miles of tunnel and trenchless installations, worth over $1.3 Billion in construction value. He has been involved in a variety of trenchless technologies for sanitary sewer, storm sewer, raw water, finished water, and recycled water, SSO and CSO wastewater tunnels, highway tunnels, pedestrian tunnels, caverns, raw water intake tunnels, and large diameter piping in sensitive areas. His tunneling experience is in a wide-array of geotechnical conditions across the US, Canada, and abroad, is heavily involved in client and project risk mitigation, has engaged in several differing site condition claims, and has developed expertise in mining in cobbles and boulders. His project experience has included tunneling from 8-inch pilot-tube micro tunneling to 36-inch directional drills to 30-ft diameter hard rock tunnel boring machines.
Don is a member of and/or involved in the Dispute Review Board Foundation, Underground Construction Association of the Society for Mining, Metallurgy and Exploration, Tunneling Association of Canada, and the British Tunneling Society. He has been very active on the NASTT No-Dig Conference Program Committee for several years and has written several articles for Trenchless Technology Magazine.
As the Executive Vice President for UGSI, Frank Firsching oversees the UGSI Regional Sales Managers and coordinates all domestic and international sales activities. He has extensive engineering, sales and management experience. He received an MBA at the Wharton School Business and a B.S. in Mechanical Engineering from the University of Virginia. Before joining UGSI, Frank worked for USFilter as President of the Water and Wastewater Systems Group with responsibility for USFilter's global process equipment and technology divisions. Frank also held the positions of Executive Vice President of the Process Water Group, West Regional and GM in USFilter. In addition, he has worked for Deloitte & Touche Management Consulting and GE.
Jamie Hannam, MBA, P.Eng. – Director, Engineering & IS, Halifax Water
Jamie Hannam is the Director of Engineering and Information Services for Halifax Water, a position he obtained in 2007. Prior to this, he was the Chief Engineer with the Halifax Regional Water Commission from 1994 to 2007. A graduate of Acadia University (B.Sc. 1983), Technical University of Nova Scotia (B.Eng. 1985) and Dalhousie (MBA 1990), he spent the earlier years of his career in Municipal Government in both Halifax and Dartmouth working on a variety of engineering tasks. In his role as Manager of Engineering and IS, he is responsible for water and wastewater infrastructure master planning, asset management, and capital project delivery with an annual capital budget of $50M.
Halifax Water, the first regulated water, wastewater and stormwater utility in Canada and the largest utility in Atlantic Canada, serving 350,000, with pipes as old as 1856, has utilized trenchless technologies and NASTT resources as key components of their system rehabilitation program for the past 15 years.
Tony Hranicka, P.E. - Project Manager, Gas R&D, Consolidated Edison Company of New York, Inc.
Tony is currently responsible for evaluating and implementing new technologies that increase the efficiency and effectiveness for Gas Operations within the Con Edison service territory within and around New York City. Activities include planning, coordinating, managing and putting into place new technologies both procedural and equipment-focused with particular emphasis on increased use of various trenchless technologies. He has spent the last 12 years committed to gas main and service rehabilitation, and in certain cases water main rehabilitation, all by trenchless construction.
Tony has a very diverse background in gas distribution engineering and operations during his 31 year career in the utility industry. Starting as a management intern on the engineering track, his assignments have grown with enhancing responsibilities through Gas Engineering, Gas Distribution Services, Contract Administration and Inspection, Purchasing of Mechanical Supplies, until currently in Gas Operations Research and Development.
He is a member of the American Society of Mechanical Engineers since college, and holds a Professional Engineering license in New York State since 1989. Tony is the recipient of the American Gas Association 2007 Gas Industry Research Award for commercialization of the CISBOT program (Cast Iron Joint Sealing live robotic system). He received his Bachelor of Mechanical Engineering from Manhattan College in 1980, then a Master of Engineering from the same school in 1985. Lastly, a second Master of Science was completed from the New York Institute of Technology in 1997.
Larry Keist, Jr. - President, LMK Technologies, LLC
Larry is a 3rd generation Master Plumber who has used his skills to promote trenchless technologies for 23 years. His experience includes auger boring as well as installing and repairing potable water mains, service leads, sewer mains, sewer service laterals, and manholes. In 1993, he founded LMK Technologies located in Ottawa, Illinois. The need for renewing and sealing service lateral pipes has been a major focus of LMK through innovative and unique CIPP products. LMK drives innovation in the trenchless industry by playing a major role in education, setting standards, and continually taking measures to protect our environment, one lateral at a time. Moreover, Larry has developed multiple trenchless systems resulting in more than 80 patents issued throughout North America, Europe, and Australia. Additionally, he is responsible for the issuance of two ASTM standards.
Larry is a long-term member of the NASTT No-Dig Show Program Committee and an Advisory Board member for the Trenchless Technology Center at Louisiana Tech University. Larry’s industry involvement includes Vice-President of the Midwest Society of Trenchless Technology (2008-2011), National Association of Sewer Service Companies (NASSCO) Board member (2008-2011), Chairman of NASSCO Lateral Committee (2008-2011) plus, a contributing member of American Society of Civil Engineers (ASCE), American Society of Testing Materials (ASTM) and Water Environment Federation (WEF).
Larry has published numerous technical papers in ASCE Pipelines Journal, NASTT’s Trenchless Today and in NASTT, ISTT and UCT conference proceedings.
Brenda Kingsmill - Project Manager, Regional Municipality of Halton
Brenda is a graduate of Sault College and the British Columbia Institute of Technology. Initially working in the private sector for eight years, Brenda joined Halton Region in 1986 where she became a design supervisor. Now a Project Manager, Brenda is responsible for environmental assessment, plus design and construction administration of numerous linear and facility projects. Aside from traditional open-cut methods for both potable water and wastewater systems, Brenda is currently managing projects utilizing pipe ramming, tunneling, HDD and structural lining of wastewater systems using a UV curing system.
Always a willing volunteer, Brenda is a long-term member of the NASTT Program Committee and has served as a Session Leader and Moderator for the last 5 No-Dig Shows.
Joe Lane - Energy Services Program Manager, SAK Construction, LLC
Joe Lane is the Program Manager for the Energy Services Division of SAK Construction, LLC, a global tunneling and pipeline rehabilitation contractor headquartered in O’Fallon, MO.
Currently based in Colorado, Joe holds a bachelor’s degree in Biology from the University of Northern Colorado and is a graduate of the University of Michigan School of Business Management and the Leadership Program of the Rockies.
Prior to joining SAK in 2011, he spent nearly 20 years with Insituform Technologies, Inc. in progressively increasing roles of responsibility in business development, training, operations and executive management. Joe was responsible for developing and implementing formal education programs training hundreds of employees, participated in the development and advancement of numerous innovative trenchless technologies, successfully grew and led multiple $100M+ business units and managed some of the largest municipal infrastructure upgrade programs in North America. In 2008 Joe was recognized by Insituform as General Manager of the Year.
Joe is a regular speaker and instructor at numerous industry & educational associations such as the Water Environment Federation, American Public Works Association and the North American Society for Trenchless Technology to advance the knowledge and use of trenchless technologies. He is a Board Member for the Rocky Mountain Chapter of NASTT, sits on the NASTT Program Committee and is also a Session Leader.
Jason has 15 years of experience in consulting, construction, education, and research focusing specifically on trenchless engineering and construction. Prior to rejoining Associated Engineering in 2012, he served three and a half years as an Assistant Professor and Senior Sustainability Scientist in the Del E. Webb School of Construction at Arizona State University teaching soil mechanics and researching trenchless methods, infrastructure utility design, and buried infrastructure management. During his first tenure with Associated Engineering he was an Infrastructure Engineer and Trenchless Discipline Lead in their Edmonton office. In that role he coordinated, designed, and managed various trenchless projects; performed construction feasibility assessments and facilitated value engineering workshops; performed conceptual design studies; conducted preliminary and detailed designs; and supported AE’s other offices with various trenchless specific projects. Jason has participated as an engineer or contractor on a variety of trenchless projects involving pipe bursting, horizontal directional drilling, cured in place pipe relining, auger boring, pipe ramming, and tunnelling.
Jason serves on the Board of Directors for the North American Society for Trenchless Technology (NASTT); and is an instructor for their Lateral Sewer Rehabilitation, Horizontal Directional Drilling, and Pipe Bursting Best Practices Courses. He has published over 50 journal and conference papers related to trenchless design, construction, and research; and has presented across North America and internationally at many conferences and trade shows. Jason also co-authored the NASTT Good Practices Manual for trenchless rehabilitation of lateral sewers. He has extensive unique knowledge rated to horizontal directional drilling and pipe bursting through his research activities and professional experience as a construction manager and engineer. His impact in the trenchless industry in North America was recognized in 2010 when he was selected by NASTT as the inaugural recipient of the Trent Ralston Award for Early Career Achievement in the field of Trenchless Technology.
Jeff Maier, P.E. - Co-owner/ Principal, Summit Water Consulting LLC
Jeff Maier, P.E. is the co-owner/ principal of Summit Water Consulting LLC, located in Evergreen, CO. After more than 10 years with the Metro Wastewater Reclamation District (MWRD) in Denver, CO, Jeff decided to return to engineering consulting and co-founded Summit Water Consulting LLC, a firm that specializes in water/ wastewater system infrastructure condition assessment, asset management program development, and trenchless rehabilitation design solutions. He is a Colorado registered professional engineer and a graduate of the University of Michigan – College of Civil & Environmental Engineering with over 14 years of project management and engineering design experience, primarily in the water and wastewater industry. He is recognized as an expert in the fields of condition assessment and trenchless rehabilitation of pipelines, manholes, and wastewater facility structures. He developed and successfully managed wastewater pipeline and manhole condition assessment/ rehabilitation programs for the Metro Wastewater Reclamation District, and was the co-founder of the MWRD Concrete Rehabilitation Product Evaluation Program. His efforts saved MWRD millions of dollars in capital expenditure costs and helped streamline the District’s asset management program by bringing rehabilitation product evaluation, condition assessment, engineering design, and construction management of trenchless rehabilitation projects in-house. Mr. Maier also has the unique experience of developing and managing a pilot program to compare and evaluate newly emerging advanced pipeline condition assessment technologies; robotic multi-sensor systems that provide quantifiable condition assessment information using laser profiling, SONAR, and pipe penetrating radar technologies to compliment traditional CCTV pipe inspection methods.
Mr. Maier is actively involved in the Rocky Mountain NASTT regional chapter and has been elected as the 2013 RMNASTT Regional Conference Chairman. Jeff is NASSCO PACP/MACP/LACP certified, a NACE-certified coatings/linings inspector, and is a certified NASSCO cured-in-place pipeline rehabilitation inspector. In his free time, Jeff enjoys skiing, cycling, hiking and playing golf.
Kevin Nagle - National Accounts Manager, T.T. Technologies, Inc.
Kevin Nagle is a civil engineering graduate from the University of Illinois, earning his Bachelors of Science in Civil Engineering in 1997. He worked for 6 years as a design engineer for a structural engineer firm before moving on to work for TT Technologies, Aurora, IL., a manufacturer of a wide range of trenchless tools and equipment. As part of the TT team Kevin works in and out of the office in an effort to grow the trenchless market through education, training and marketing. He has worked at an industry level to help move the trenchless industry forward through organizations such as NASTT (member of the Program Committee), Midwest Society of Trenchless Technology (board member), International Pipe Bursting Association (member of Marketing Committee) and UCA (member of the Construction Materials Methods and Specifications Committee). Kevin has gained firsthand trenchless field experience in the pipe bursting, pipe ramming, horizontal directional drilling, and horizontal boring processes.
Cindy Preuss, P.E. – Senior Project Manager, HydroScience Engineers, Inc.
Cindy Preuss graduated with a B.S. degree in Civil and Environmental Engineering from the University of California at Berkeley and is a licensed professional civil engineer in the State of California. Cindy has 15 years of experience in the industry with a focus on infrastructure design including collection system, water, and recycled water pipeline rehabilitation and new installations.
Cindy is currently serving a second 2-year term as Chairman for the Board of Directors for the Northern California Pipe User's Group (PUG), an association of public agencies, private consultants, contractors, vendors and suppliers that study current, conventional and trenchless pipe technologies. PUG sponsors attendance to and scholarships for NASTT's No-Dig Show and regional WESTT No-Dig conferences, and offers NASTT good practices courses to PUG members on various trenchless technologies. Cindy also serves as Vice-Chairman for the WESTT Chapter Board of Directors, and as a volunteer on the No-Dig Show Program Committee for her eighth year running.
Jim Rankin has been with the Vermeer Corp. for more than 35 years and has amassed a vast array of knowledge of industrial equipment and trenchless technology applications. For the past 24 years, Jim’s focus has been on the Vermeer Horizontal Directional Drills (HDD). Jim was the Project Leader for the team that developed the first drill commercially marketed by the Vermeer Corp. Prior to working with HDD equipment, he was involved with the development for Vermeer’s Utility Products (formerly Rubber Tire) and track equipment.
He has demonstrated his innovation abilities and technical skills by earning 15 industrial patents. Jim delivers the Vermeer Vision Taking Care Of Customers Worldwide with Better Solutions through extensive domestic and international travel and by meeting the business needs of the Vermeer customers and dealers.
Jim is a long-term member of the No-Dig Show Program Committee. Jim and his wife Jeanette have three daughters, one son and five grandchildren. Jim spends his free time boating and woodworking.
Dennis Walsh, P.E. - Senior Project Manager and Associate, Woodard & Curran
Dennis M. Walsh, P.E. is a Senior Project Manager and Associate for Woodard & Curran. He leads the Natural Gas Service Line and is based in East Windsor, NJ. Dennis is a 1972 graduate of the University of Dayton, Ohio with a B.S. in Civil Engineering and a 2002 graduate of the Polytechnic University of New York with a M.S. in Technology. He retired from KeySpan Energy Company in 2005 after a 28 year career in the gas utility field with a background in engineering, operations, construction, Quality Assurance and HVAC. He led KeySpan’s efforts to expand the use of trenchless technology in the early 1990’s to decrease its main and service installation costs.
Dennis is a member of the American Gas Association, the Society of Gas Operators, and the North American Society for Trenchless Technology. He is a Board member for the NASTT Mid-Atlantic Chapter and on the Annual No-Dig Committee. He has designed numerous HDD installations for various utilities; including a 1,800 foot 30 inch steel HDD under a tidal basin in Brooklyn, NY; a 2,000 foot 12 inch HDD under an environmental sound in south NJ; and a 400 foot long Jack & Bore installation in Newark, NJ. When he is not involved in trenchless projects, he consults on gas engineering and other utility projects. His spare time is spent traveling and playing golf.
Dan Willems, P.Eng. – Special Projects Manager, City of Saskatoon
Dan Willems is currently Special Projects Manager with the City of Saskatoon Infrastructure Services department’s Strategic Services branch. Dan holds a Bachelor of Science degree in Civil Engineering from the University of Saskatchewan in Saskatoon. Since 2001, Dan has worked for various municipal government and private consulting organizations across the Canadian Prairie Provinces. Over his career, Dan has been involved in several trenchless construction projects, including CIPP lining, microtunneling, case boring, tunneling, directional drilling, and pilot tube microtunneling.
Dan has been heavily involved in the Northwest Chapter of NASTT since 2005 and has also been a regular contributor at the annual No-Dig Show conferences. Dan is actively working with the Northwest Chapter and local industry in Saskatchewan and Manitoba to expand NASTT’s presence across the Prairie Provinces.