SU 2016 Technical Workshop – Presenter Bios

GrowthPuzzleThe biannual Schnabel University Technical Workshop’s theme, GROWTH, celebrates the evolution and development of the industry, society, technologies, and most importantly, 60 years of Schnabel history and technical excellence. The Workshop is made possible by the presenters listed below who have generously given their time and expertise to prepare the excellent content for this year’s Workshop.  Read more about our presenters below.

Click here to read the presentation abstracts.

AndersonM3Mary Anderson
Senior Associate

Mary Anderson has over 30 years of experience in Business Development within the professional services industry.  She is a Senior Associate and has been with Schnabel Engineering for over 17 years.  She is the Business Development Champion for Schnabel’s U.S. State Department Bureau of Overseas Building Operations (OBO) program, which has taken our staff to all corners of the globe and has generated millions of dollars in revenue for Schnabel.

AristorenasG 03-14George Aristorenas, PhD, PE

George Aristorenas, PhD, PE, is a Principal in the Geostructural Group and works in the NCO Sterling office. Mr. Aristorenas specializes in the analysis and design of soil-structure interaction problems, using advanced numerical techniques such as the finite element method to characterize ground movement and structural stresses. Mr. Aristorenas has worked on various types of projects, including excavation support systems, dams, tunneling, groundwater seepage analyses, underpinning, time-dependent deformations, slope stabilization, ground improvement, seismic and dynamic analyses.

BanksB Formal 03-14Brian K. Banks, PG

Brian has been with Schnabel for 13 years and is a Principal in the National Capital Office’s Rockville, MD location. He focuses on business development and senior project management for transportation and water/wastewater projects, and leads the firm’s rail/transit market pursuit team.

Bolding1Michelle E. Bolding, PE, LEED AP
Senior Engineer

Michelle Bolding joined Schnabel’s Charlottesville office in 2010 and relocated to the Richmond office in the fall of 2014.  She obtained her BS & MS degrees from Virginia Tech and specializes in geotechnical design and project management for commercial, transportation, and municipal projects.  She is currently the chair for the Organizational Member Council of the Geo-Institute and active with ASCE.  Other interests include volleyball, dodgeball, running, and wine.

G. Allen Bowers, Jr., PhD, EIT
Senior Staff Engineer

Allen is from Woodstock, Virginia and recently completed his PhD from Virginia Tech researching energy pile technology and bridge deck deicing. He is actively involved in his church and also enjoys weightlifting, reading, and woodworking.

BrillG 03-14Gary Brill, PE
Senior Associate

Mr. Gary Brill, P.E. is a Senior Associate located in the Knoxville, TN office. Mr. Brill graduated from the University of Louisville with Bachelor of Science and Master of Engineering Degrees and has 30 years of experience as a consulting engineer focusing on both dam design and construction and specialty geotechnical design projects. In his free time, Gary enjoys traveling with his wife Keri, lake kayaking and teaching martial arts.

John A. Cima, PE
Senior Consultant

John Cima has been with Schnabel as a Senior Consultant since September 2015. He retired in August 2015 after 31+ years with Dominion Generation and has over 40 years of experience in geotechnical engineering and dam safety. He is a registered P.E. in Virginia and West Virginia and is Chairperson of ASDSO’s Peer Review Committee.

CrookstonB Formal 03-14Brian Mark Crookston, PhD, PE
Project Engineer

Brian joined Schnabel Engineering in 2011.  He collaborates with national and international scientists and practicing engineers with a variety organizations and agencies to implement evolving technologies and effective design solutions related to water conveyance and hydraulic structures.

CrowleyL 03-14Loring Watkins Crowley, PE
Project Engineer

Loring Crowley is a Project Engineer in the Greensboro office and has been with Schnabel for 7 years.   She specializes in groundwater and surface water modeling, geothermal system modeling, dam design, and instrumentation plans. Loring attended the University of North Carolina at Asheville for her undergraduate degree in Mathematics and the University of Colorado at Boulder for her Master’s degree in Civil Engineering.

DanielJ 03-14Joel C. Daniel, PG
Senior Scientist

Joel Daniel is a geophysicist in Schnabel’s Greensboro, NC office with over 24 years of experience working in the environmental and geotechnical engineering fields.  Joel’s experience includes the application of near-surface geophysical techniques to environmental and engineering projects.  Joel received his BS in Geology from Virginia Tech, and his MS in Geological Sciences from Old Dominion University.  He is a registered professional geologist in Virginia and a licensed geologist in North Carolina.

DeStephenR Formal 03-14Raymond A. DeStephen, PE

Ray is in his 42nd year at Schnabel. He started in the Bethesda office but spent most of his career in the Richmond and Corporate offices, with a brief interlude in 1985 to start the West Chester office. His technical experience has involved soft soil evaluations, karst and environment assessment and remediation.

DoscherCarol Doscher
President and Chief Encouragement Officer, Graceworks

Carol Doscher, President & CEO (Chief Encouragement Officer) of Graceworks has been captivating audiences since she performed in Broadway’s “Sweeney Todd.” For this former actress turned trainer and coach, it’s not so far from the boards of Broadway to the boardrooms of America. Since founding Graceworks in 1995, she’s trained thousands of professionals globally to make that vital human connection in sales presentations, client meetings and lectures. Featured in The New York Times and on “Bloomberg Television,” Carol also has published numerous articles on presentation and communication skills. Responding to the growing need for the human connection in the corporate world, Carol is a trained practitioner of Whole Brain® Thinking – a great tool to help people understand and leverage their own thinking preferences.

DrahosE 03-14Edward G. Drahos, PE

Ed Drahos has a Master of Science degree in geotechnical engineering from The Ohio State University and more than 38 years of experience.  He has been with Schnabel for 32 years including 4 years in Bethesda and 28 years in Richmond.  His primary focus is on design-build transportation projects in Virginia.

DumasN 03-14Nathan Dumas, PE
Senior Engineer

Nate Dumas, PE is a senior engineer and DPS department manager in the Richmond office. Nate has been with Schnabel since 2008 and has a strong interest in leveraging technology to increase efficiency. Nate graduated from Bucknell University with a BS degree in Civil Engineering in 2006.

FernandezS 03-14Sixto Fernandez, PE
Project Engineer

Originally from the Dominican Republic, Sixto Fernandez holds a Bachelor of Science in Civil Engineering from Santo Domingo Institute of Technology and a Master of Science in Geotechnical Engineering from the University of Puerto Rico at Mayaguez. He has been with Schnabel for 6 years in the Geostructural group, and his experience includes geotechnical/structural design and construction of soil and rock anchors, several deep foundation and support of excavation systems, ground improvement, automated instrumentation, numerical modeling and underpinning. His hobbies include rock climbing, off-roading, traveling, biking and scuba diving.

HalliganJ 03-14Jay T. Halligan, GISP
Project Scientist

Jay Halligan is a GIS Analyst in the West Chester Office.  He has been with the company since September of 2005 and is part of the Dam Engineering Group.


HarrisonJ 03-14John P. Harrison, PE

John Harrison is a Principal in the West Chester office and has 25 years of experience in dam and water resource projects throughout the Eastern United States.  He serves as Technical Leader for dam design in the firm’s West Chester office. One of John’s areas of interest is probable maximum precipitation and extreme storm events.

HebblethwaiteJen Hebblethwaite
Champion of All Things Grace, Graceworks

Jen Hebblethwaite, Champion of All Things Grace, heads up the Graceworks Atlanta office. From commercial real estate to coaching Atlanta’s finest Men in Blue at the Forest Park Police Department, Jen is an experienced corporate trainer. She’s spent 10 years as a Teaching Artist for a Tony Award-winning theatre and has taught everything from playwriting to MBA Leadership/Communication on an undergraduate and graduate level.  As our rogue academic, Jen gets excited about things like semantics and semicolons as she leads our fun, interactive Gracewriting® program. Jen’s teaching style is big and bold, and she can’t wait to help you help your listeners!

HeplerTThomas Hepler, PE
Senior Consultant

Tom Hepler retired from the Bureau of Reclamation in 2014 with 36 years of experience in hydraulic and structural engineering designs for concrete dams and appurtenant structures.  He served as the Engineer of Record for the removal of Elwha and Glines Canyon Dams in Washington, and provided technical review for the feasibility studies for the removal of San Clemente Dam in California.  Tom is a co-author of the USSD Guidelines for Dam Decommissioning Projects and currently works for Schnabel Engineering in Greensboro, NC.

Indri1Robert Indri, PE

Robert Indri is an Associate Engineer and leads the structural group in the Greensboro office.  He has been with Schnabel since 2005 and has designed numerous large dam and bulkhead projects in the United States and Canada and authored several papers on this topic.  Robert has worked on nearly all of Schnabel’s maintenance closure projects and has spearheaded Schnabel’s growth into an industry leader in this market.

JohnsonC 03-14Charles Johnson, PE
Project Engineer

Charles Johnson is a Senior Engineer in the structural group in the Greensboro office.  He has been with Schnabel since 2013 and specializes in steel and concrete design and finite element analysis.  He is the primary author of an international state-of-the-practice research paper on maintenance closure structures along with co-authors Robert Indri and Fred Snider, which will be presented at the 6th International Symposium on Hydraulic Structures in June in Portland, OR.

KeesS 03-14Samuel Kees, PE
Project Engineer

Samuel Kees is a Project Engineer in the Greensboro office and has been with Schnabel for over 7 years. He obtained a BS in Civil Engineering and a MCE in Structural Engineering and Mechanics from North Carolina State University. Samuel has experience in the inspection, evaluation and design of new and existing earth and concrete dams.

KoziolM 03-14Matt Koziol, PE
Project Engineer

Mr. Koziol began his professional career with Lachel & Associates in 2009 in their Seattle office upon graduation from Washington State University with a Bachelor of Science in Civil Engineering. He has since earned a Master of Science in Civil Engineering from the University of Washington and relocated to Lachel’s Dallas, TX office. He has been involved in risk management activities for the DC Clean Rivers project for the past two years.

KrockS 03-14Sharon L. Krock, PWS
Wetland Specialist

Sharon Krock began her career at Schnabel in 2001 as a wetland scientist, providing wetland delineations and environmental permitting for the entire firm.  Her role has expanded to include business development, working to increase Schnabel’s presence in the USACE/Federal market.

Lee1Imsoo Lee, PhD, PE
Senior Engineer

Dr. Imsoo Lee, PE, who is a Senior Engineer with the Geostructural Group in the NCO Sterling office, has consulting experience encompassing a wide range in the design and analysis of various geostructural projects such as excavation support systems (SOE), ground anchors, soil nail walls, sheet pile walls, secant pile walls, slope stabilization, deep foundation, etc. Dr. Lee’s specialization is in soil-structure interaction with the Finite Element Method using PLAXIS 2D and PLAXIS 3D, and several designs were performed using such advanced numerical analyses. Dr. Lee’s experience also extends to Quality Assurance of excavation support systems, various types of load testing, and instrumentation/monitoring.

PainterM 03-14Mia A. Painter, PG
Senior Scientist

Mia Painter specializes in providing geophysical services for geo-design projects.  Her experience on a variety of project types has broadened her perspective for applying geophysics in an appropriate, understandable, and valuable way. Mia is based in the West Chester office and has been with Schnabel for 16 years.

Norman Perez
Project Engineer

Mr. Perez graduated from the Polytechnic University of Puerto Rico with a Bachelor of Science in Mechanical Engineering in 2000. For the first ten years of his professional career, from 1999 until 2009, he was with Peter Kiewit and Sons working on tunnel and underground construction projects in Puerto Rico and the United States. In 2009 he joined Lachel & Associates as a key member of the Federal Group and has been involved in risk management activities for the DC Clean Rivers project for the past four years.

PittmanJ 03-14Jonathan M. Pittman, PE

Jonathan Pittman is an Associate in the Greensboro office and has been with Schnabel for over 14 years, both in the Richmond and Greensboro offices.  He specializes in providing project management and civil engineering design services for water resources and electric utility projects including the evaluation and design of earthfill, conventional concrete, and roller compacted concrete (RCC) dams; ash ponds; and levees.  Jonathan attended the University of Virginia, and he is a licensed Professional Engineer in KY, NC, and VA.

PolinEvan Polin
President, Training Resource Group

Evan Polin, President, The Training Resource Group, joined the firm in 2001 and brings a wealth of training and coaching experience to the firm. He provides consulting, seminar and corporate in-house training that delivers on-going reinforcement of training and coaching to growing companies and professional service firms seeking an increase in sales, profits and productivity.

RabeW 03-14Walt Rabe

Walt came to Schnabel in May of 2001 and assumed the Branch Leader role for the Leesburg/Sterling Virginia branch in 2003. He served in that capacity until 2012 when he took on a leadership role in SEC/Geotechnical Business Unit.  He was recently appointed by the Board of Directors to President and CEO of Schnabel Engineering.

ReavesR 03-14Randy Reaves
Vice President and General Counsel

Randy provides advice and counsel to senior management, negotiates a wide variety of agreements, handles M&A transactions, oversees company litigation, and serves as Director of Risk Management. Randy graduated from the University of Virginia with high distinction, where he was an Echols Scholar and majored in Economics and Political and Social Thought, and received his J.D. from the University of Virginia School of Law.  Randy is admitted to the Virginia State Bar, U.S. Supreme Court, Fourth Circuit Court of Appeals, U.S. District Courts for the Eastern and Western Districts of Virginia, and U.S. Bankruptcy Courts for the Eastern and Western Districts of Virginia.

RoscoeM 03-14Michael S. Roscoe, PG, LEED AP
Director of Business Development and Marketing

Michael Roscoe joined Schnabel in 2006 and worked on environmental and sediment stabilization issues before moving into business development first for the West Chester office and then for the firm as Director of Business Development. In addition to his Director duties and responsibilities, he leads the Water Wastewater, Ports and Harbors and the New York City/New York State Market Pursuits.

ShullP 03-14Philip Shull, PE
Project Engineer

Philip Shull, PE earned his engineering degree from Temple University and has over 10 years of design and construction experience. He is a Project Engineer in the Geostructural group in West Chester and specializes in the analysis and design of earth retaining structures, excavation support, cofferdams, and dewatering systems. He also has significant structural experience and has designed a variety of steel and concrete elements.

MikitkaJ 03-14Johanna M. Simon, PE
Project Engineer

Mrs. Johanna Simon, PE earned B.S. and M.S. degrees in Civil Engineering from Drexel University and has over 10 years of design and construction experience.  She is a Project Engineer in the Geostructural group in West Chester and specializes in analysis and design of geotechnical structures as well as field investigation, instrumentation, and using AutoCAD for design drawing. Her projects have included earth retaining structures, braced excavation support systems, and underpinning of existing structures.

StraubN 03-14Nancy A. Straub, PE, ENV SP, LEED AP

Nancy Straub is a geotechnical and environmental engineer in NCO Rockville with 19 years of engineering experience in managing both geotechnical and environmental infrastructure projects.  She is a Professional Engineer in Virginia, Maryland and Washington, DC. She is also a LEED accredited professional and an Envision sustainability professional (ENV SP) and approved verifier.

SturmanJ Formal 03-14John O. Sturman, PE, GE, PG, CEG, LEED Green Associate
Senior Associate

John is a licensed geotechnical engineer and engineering geologist with degrees in both geology and geotechnical engineering. He serves as the leader of the geotechnical design team in the Sterling office, and his years of experience are more than he can count on his fingers. His project mix has included fault trace studies, landslide evaluations, and rock slope studies. He has supported Schnabel’s embassy program and worked in over a dozen different countries.

ToombsB 03-14Brian Toombs, PE
Senior Staff Engineer

Brian Toombs, PE, has been employed with Schnabel for nearly 3 years working primarily on dam-related projects, but also recently served as a resident engineer for the Yeager Airport Slope Stabilization effort.  Brian is located in the growing Albany, NY office and is excited to be helping expand Schnabel’s service offerings in the Northeast.

Welle1Paul I. Welle, PE
Senior Consultant

Paul Welle is a senior hydraulic engineer, having worked for the USDA Natural Resources Conservation Service (NRCS) prior to working for Schnabel. With the NRCS, he was responsible for surface water hydrology and hydraulics for both the New England and Mid-Atlantic Regions. With Schnabel, he serves as senior reviewer for hydrology and hydraulics and as project manager for projects, primarily those that involve assessment and design of NRCS-assisted dams.

WilsonC1Charles B. Wilson, PE

Chuck Wilson is a principal in the Alpharetta, Georgia branch of Schnabel Engineering and has been with the company for the last 20 years. He is a 1971 graduate of the U.S. Military Academy at West Point. He served 9½ years in active duty as a Corps of Engineers officer and 16½ years in the U.S. Army Reserves, and is a retired Lt. Colonel. He has a Master of Science in Civil Engineering from the Massachusetts Institute of Technology (1976) and a second Master of Science in Civil Engineering from the Georgia Institute of Technology (1985). Mr. Wilson has been involved in over 90 litigation cases during his career and has testified as an expert in 13 Georgia courts, 2 Federal courts, and one South Carolina court.

WirthG3George E. Wirth, PE

George Wirth is a Principal Engineer at Schnabel. He has over 30 years of experience and is presently the leader of the Transportation Initiative.


YeattsC 03-14Chadd W. Yeatts, PE
Senior Engineer

Chadd Yeatts is a Senior Engineer in the Blacksburg office with over 18 years of experience. He holds a BS and MS from Virginia Tech.  He currently leads the Power and Energy Pursuit group and manages many projects on Schnabel’s VDOT term contracts.

Young1Jeremy R. Young, PE, CCS

Jeremy is an Associate Engineer with the Dams Group in West Chester.  He has been with the firm for over 15 years and received his BS and MS degrees in Civil Engineering from Penn State and Villanova Universities.  Currently, Jeremy is part of an internal group supporting a research effort at Villanova to investigate grout enriched RCC.