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Leadership

Executives

William M. Carnes, PE

President and CEO

Mr. Carnes founded Hillis-Carnes Engineering Associates, Inc. in 1989 along with Mr. Richard Hillis, PE. While at his previous firm, Mr. Carnes was a Vice President in the Geotechnical Engineering Division. He developed the use of advanced in-situ testing techniques and was the geotechnical engineer of record on many landmark projects in the mid-Atlantic region. The two founders together left the large national firm and brought with them the best and brightest young engineers and project managers to form a firm that was focused on client service and value engineering in geotechnical engineering.

Mr. Carnes earned his Bachelor of Science in Civil Engineering from the University of Maryland in 1974 and an MSCE in Geotechnical Engineering from The George Washington University in 1980.

Robert T. Skepton

Senior VP and CFO

Mr. Skepton joined Hillis-Carnes Engineering Associates shortly after its founding in 1989 where he worked for four years as a field engineering technician and drillers assistant. He then worked in marketing and business development for the firm until 1997 when he took over the position as branch manager of the Salisbury, Md., office. In 2000, he advanced to the role of information technology director where he built a team that designed and developed the company’s current web-based project management, lab and financial systems.  He rose to the role of CFO in 2007 and was appointed senior vice president in 2015.

Mr. Skepton earned his B.A. in Foreign Languages and Linguistics from Towson University and an M.S. in Information Systems Management from UMBC. He also holds a CISSP certification and is a member of Institute of Management Accountants.

Timothy B. Hill, PE

Senior VP and COO

Mr. Hill joined Hillis-Carnes more than 20 years ago as the testing manager at the main office in Annapolis Junction. He was named director of operations in 2004 and then appointed COO in 2012. During this time, he oversaw the expansion of the company. Mr. Hill has been directly involved with many landmark projects, such as M & T Bank Stadium, Heinz Field in Pittsburgh, the Washington Nationals ballpark, the Washington Convention Center, and the Marriott Marquis Hotel in Washington, to name a few.

Mr. Hill earned a Bachelor of Science degree in Civil and Environmental Engineering from Clarkson University in 1980, followed by certification in concrete technology from the University of Milwaukee, Wisconsin, in 1988, and Professional Project management courses through the Associated Soil and Foundation Engineers in 1991. He is a member of the Maryland Building Industry Association and Washington Area Council of Engineering Laboratories.

Vice Presidents & Branch Managers

  • Benjamin B. Gordon, PE

    State College Branch Manager

    Ben supports our Clients with over 19 years of industry experience in Geotechnical Engineering and Project Management. He is currently managing our State College, Pennsylvania office and his responsibilities include the management of the day to day operations, management and support of personnel, marketing, senior technical review, geotechnical engineering project management including report preparation, identifying new service areas, and the financial well-being of the operation. Ben’s technical expertise includes the implementation of subsurface exploration/drilling programs, design of retaining structures, slope stability analyses, deep and shallow foundation design and inspection (including piles, drilled shafts, and conventional spread footings), field testing programs, laboratory testing programs, and instrumentation monitoring programs. Our State College office is supported by an experienced staff of Professional Engineers, as well as numerous ACI and NECEPT certified Engineering Technicians.

    Ben earned his Bachelor of Science degree and his Master of Science degree in Civil Engineering from Rensselaer Polytechnic Institute. He is also a registered Professional Engineer in 21 states.

  • Charles A. Shaw, PE

    Aberdeen Branch Manager

    Chuck joined our firm to spearhead the launch of our Harford and Cecil County operation and the opening of our Aberdeen, MD office. Mr. Shaw has over 18 years of experience in geotechnical engineering, drilling, and construction materials testing and inspection services for residential, commercial, and industrial development projects throughout the Mid-Atlantic region. Previously, Mr. Shaw served as a Geotechnical Manager/Sr. Project Engineer, responsible for overseeing and managing the day-to-day operations out in the field, as well as in the testing lab.

    Mr. Shaw is a University of Maryland graduate, with a B.S. in Civil Engineering , and has obtained a master’s degree in Geotechnical Engineering at the University of Delaware. He is a member of the American Society of Civil Engineers and the National Society of Professional Engineers.

  • Christopher L. Lesjak

    Vice President - Special Projects

    Chris supports our Clients with more than 20 years of experience in Construction Development, Architectural, Project Management, Construction Materials Testing, Geotechnical, Structural, and Environmental Consulting.  He has served in multiple roles from Program Management, Project Executive, Project Management, Marketing, Sales, Business Development, Operations, Client Management, and Field work for all services Hillis-Carnes provides with involvement on multiple large scale and high profile projects.  Chris will continue his focus on identifying key projects and clientele for opportunities to further our services and capabilities.

    Chris earned his Bachelor of Science degree in Environmental Health, with minors in both Biology and Safety Science from Indiana University of Pennsylvania (IUP) and a Master of Science degree in Real Estate from The Johns Hopkins University. He is a member of AIA Baltimore and involved in the Allied Member Committee. In addition, Chris is a member of the District of Columbia Building Industry Association (DCBIA), and is involved with Whiting School of Engineering Internship Program and STEM Program with The Johns Hopkins University.

  • Cindy S. Shepeck

    Vice President/Hagerstown Branch Manager

    Cindy supports our Clients with over 31 years of experience in Geotechnical Engineering, Geophysical Evaluations, Environmental Consulting, and Construction Materials Testing and Inspection services. She is currently managing our Hagerstown, MD office and her responsibilities include generating proposals, planning, and the performance of Geotechnical Investigations, including value engineering. Cindy has worked on hundreds of projects that include karst geophysical/geotechnical investigations, development of remediation plans for sinkholes, settlement investigations, foundation recommendations (shallow and deep), slope stability analyses, investigation and remedial recommendations for pavements failures, and Environmental Phase I/II Site Assessments. Our Hagerstown office is supported by an experienced staff of Geophysical Project Managers, CMT Project Managers, and a Lab Manager, as well as ACI and MARTCP certified Engineering Technicians.

    Cindy earned her Bachelor of Science degree in Geological Engineering from Michigan Technological University.

  • Clive Diaz, PE

    Director

    Clive joined our firm to spearhead the launch of our Washington, DC operation back in 2015. Clive brings with him over 17 years of experience in geotechnical engineering, drilling, environmental consulting, and construction materials testing and inspection services. Mr. Diaz has served as a Principal Engineer/Sr. Project Manager/Engineer-in-Charge, responsible for overseeing the day-to-day operations and executing hundreds of project for roadways, infrastructure, water supply, tanks, sewage treatment, bridges, residential developments, multi-story apartment buildings, strip malls, restaurants, retirement homes, and mixed-use developments.

    Mr. Diaz is an Old Dominion University graduate with a B.S. in Environmental Engineering and is currently in graduate school obtaining a master’s degree in Geotechnical Engineering at the University of Maryland.

  • David M. Harmanos, PE

    Philadelphia Branch Manager

    Dave serves our Clients with 20 years of expertise in Project Management, Heavy Construction, Geotechnical Engineering, Geotechnical Laboratory Testing and Geosynthetics application design. He specializes in commercial, industrial and institutional foundation design, retaining wall and steep slope design, sinkhole remediation, landfill design, site work, forensic engineering and Construction Quality Control/Assurance (CQA/QC).

    Dave is a Drexel University graduate with a B.S. in Civil Engineering and an M.S. in Civil Engineering with a concentration in geotechnical and geosynthetics. He is currently a Ph.D. candidate for his research on geosynthetics, with two publications regarding the topic.

  • David G. Patron, PE

    Vice President/Quality Control

    Dave supports our Clients with more than 35 years of experience in Geotechnical Engineering, Construction Materials Testing and Inspection services, and Project Management. Dave’s responsibilities include the management of senior and staff level Engineers and Field Technicians, as well as the technical review and preparation of engineering reports and proposals. He has developed and managed Construction Monitoring and Testing programs for construction phase projects and Geotechnical Engineering programs pertaining to feasibility studies, proposed site development, and failure analyses. Dave specializes in shallow/deep foundation systems for the support of bridges, buildings, towers, and other structures; slope stability assessments; pavement design and failure assessments; groundwater-related problems; building settlements and structural failures; retaining wall design; and infiltration studies.

    Dave earned his Bachelor of Science degree in Civil Engineering from the University of Michigan. He is a Registered Professional Engineer in the States of Delaware, Maryland, Washington, DC, and the Commonwealths of Pennsylvania and Virginia. He is a member of the American Society of Civil Engineers (ASCE) and the National Society of Professional Engineers.

  • Gina L. Galimberti, REM

    Environmental Services Division Manager

    Gina is the Environmental Services Division Manager for our corporate office in Annapolis Junction, MD, and has over 28 years of experience in Environmental Consulting services. She has conducted/managed thousands of assessments and related services during her career. Gina’s responsibilities include the oversight and/or preparation of all technical proposals, oversight and management of all environmental projects performed by the Environmental Division at our corporate office, senior technical review of environmental reports, management and mentoring of the environmental staff, and management of Client accounts.

    Gina earned her Bachelor of Science degree in Secondary Education with a concentration in Biology and Chemistry from Penn State University. In addition, she completed some graduate courses in Marine, Estuarine, and Environmental Science at the University of Maryland. She is a Registered Environmental Manager (REM) through the National Registry of Environmental Professionals, is a certified Building Inspector for asbestos in Maryland and Virginia, has completed the 40-Hour OSHA HAZWOPER Training and satisfies the 8-Hour Annual Refresher Course requirement, and has her Responsible Personnel Certification for Sediment Control in Maryland.

  • Grant K. Autry, PE, PLS, LEED AP

    Vice President/Operations Director

    Grant provides technical and management oversight, as well as Client support, for Engineering and Professional Services in the Annapolis Junction, Maryland corporate office. He has over 23 years of experience in the planning, execution, and management of Engineering and Testing projects in the eastern United States. Examples of project scopes include shallow and deep foundations, roadways, supported excavations, dams, environmental remediation, construction materials testing and inspections, instrumentation and monitoring, and subsurface exploration programs. He has extensive experience working with Clients in both the private and public sectors, as well as with projects ranging from small renovations to large, multi-discipline contracts.

    Grant earned his Bachelor of Science degree in Civil Engineering, with a Geotechnical Engineering concentration from North Carolina State University. He is licensed as a Professional Engineer in Maryland, Virginia, North Carolina, and South Carolina. In addition, he is also licensed as a Professional Land Surveyor in the state of North Carolina and is a LEED Accredited Professional.  Grant is an active member of the American Society of Civil Engineers, as a past Branch and State President and past Regional Governor, and is also a member of the American Council of Engineering Companies, the Urban Land Institute, and the American Society of Highway Engineers.

  • Idres Hawarry

    Waldorf Branch Manager

    Idres serves our Clients with more than 25 years of experience in Project Management, and 19 years in particular of Construction Materials Testing and Geotechnical Engineering experience. He has managed and coordinated the quality control and materials testing services on hundreds of construction projects throughout the Mid-Atlantic region. Project scopes have included deep/shallow foundations, structural fill, reinforcing steel, concrete, paving, masonry and structural steel. Our Waldorf office is also supported by an experienced staff of Professional Engineers, CWI Structural Steel Certified Inspectors, as well as numerous ACI, NICET, WACEL, and MARTCP certified Engineering Technicians.

    Idres earned his Bachelor of Science degree in Civil Engineering from Salahaddin University. He is also a member of the American Society of Civil Engineers (ASCE) and the American Society for Testing and Materials (ASTM).

  • Jerome Guy

    Harrisburg Branch Manager

    Jerome supports our Clients with more than 30 years of experience in Project Management, Construction Materials Testing and Inspections, Geotechnical Engineering, and Environmental Consulting. He has managed and coordinated the quality control and materials testing services on hundreds of construction projects throughout the Mid-Atlantic region. Project scopes have included shallow/deep foundations, structural fill, reinforcing steel, concrete, paving, masonry and structural steel. Our Harrisburg office is supported by an experienced staff of Professional Engineers, Geologists, PennDOT Drilling Inspectors, as well as numerous ACI and NECEPT certified Engineering Technicians.

    Jerome earned his Bachelor of Science degree in Biology and a minor in Business Administration from Towson University. He was recently a member of the Associated Builders and Contractors, Inc. (ABC) Keystone Chapter.

  • Jerry H. Johnson

    Vice President/Delmarva Regional Manager

    Jerry supports our Clients with more than 35 years of experience in Geotechnical Engineering, Drilling, Environmental Consulting, and Construction Materials Testing and Inspection services. Jerry has been involved in residential, commercial, and industrial development projects throughout the Mid-Atlantic region.

    Jerry is a graduate of George Washington University where he earned a Bachelor of Science degree in Political Science. He was past chairmen of the Associated Builders and Contractors (ABC) Eastern Shore chapter, and is a current member of the ABC Delaware Advisory Committee. In 2009, he was inducted with an honorary membership into the University of Maryland Eastern Shore (UMES) chapter of Sigma Lambda Chi honors construction management fraternity for exemplary service to Delmarva Construction Community.

  • Joshua I. Trewitz, PG

    Lehigh Valley Branch Manager

    Josh supports our Clients with over 20 years of experience in Structural and Geotechnical Instrumentation, Geotechnical Engineering, Construction Materials Testing and Inspections, as well as Construction Management.  He has worked extensively with clients in both public and private sectors on multi-disciplinary contracts and projects throughout Pennsylvania. His technical expertise includes real-time data management solutions for all types of Structural and Geotechnical instrumentation, designing monitoring systems for dam safety monitoring, subsurface drilling operations, and borehole logging. Josh also has experience performing Geophysical Investigations and Evaluations, specifically in the coal fields of Pennsylvania, where previous subsurface mining has occurred.

    Josh holds a B.S. in Applied Geology from Lock Haven University, and is a registered Professional Geologist in Commonwealth of Pennsylvania.

  • Matthew B. Van Rensler, PE

    Regional Manager of Eastern Pennsylvania

    Matt supports our Clients with more than 16 years of experience in Geotechnical Engineering, Construction Materials Testing and Inspections, and Construction Management. He specializes in geosynthetics including the design of mechanically stabilized earth structures and remediation of existing failing slopes and walls. Another specialty is chief estimating (quantity takeoffs, scheduling, and pricing) for various types of geotechnical construction including karst mitigation, grouting for the densification of loose soils, structural releveling, soil nails and other related tasks.

    Matt holds an M.B.A. from Goldey-Beacom College, as well as a B.S. and M.S. in Civil Engineering from Drexel University. He is a member of the American Society of Civil Engineers, the Delaware Valley Geo-Institute, the Delaware Contractors Association and the ABC Eastern PA Chapter.

  • Parakrama (PK) Udugampola, PE

    Chantilly Branch Manager

    PK supports our Clients with over 14 years of experience in Construction Materials Testing and Inspection services and Geotechnical Engineering. He is currently managing our Chantilly, VA office and his responsibilities include generating proposals, planning, executing, and the management of Engineering and Testing projects. PK has supervised and worked on hundreds projects within the Washington Metropolitan area that include Construction Materials Testing and Inspections of soils, concrete, and asphalt, as well as inspections related to shallow and deep foundations, excavation support systems, and retaining walls. PK’s technical expertise also includes Geotechnical studies involving subsurface exploration, bearing capacity evaluation, infiltration testing, and miscellaneous soils studies to determine the suitability of soils for foundation support. Our Chantilly office is supported by an experienced staff of Professional Engineers, Construction Inspectors, a Lab Supervisor, as well as numerous ACI, NICET, WACEL, and MARTCP certified Engineering Technicians.

    PK earned his Bachelor of Science degree in Civil Engineering from the University of District of Columbia (UDC), and is working towards his Master of Science degree in Civil Engineering at John Hopkins University. He is a registered Professional Engineer in Maryland and Virginia, as well as an AWS Certified Steel and Welding Inspector (CWI).

  • Rajesh K. Goel, PE

    Frederick Branch Manager

    Rajesh has been providing Geotechnical Engineering, Consulting, and Construction Materials Testing and Inspection services to our Mid-Atlantic Clients for the past 25 years.  Rajesh is currently managing our Frederick, MD office and his responsibilities include proposing, planning, and the execution of large scale Geotechnical Investigations, including value engineering. He has worked on hundreds of projects that include settlement investigations, foundation recommendations (shallow and deep), slope stability analysis, investigation and remedial recommendations for pavements failures, karst geophysical/geotechnical investigations, and development of remediation plans for sinkholes, and Environmental Phase I /II Investigations. Our Frederick office is supported by an experienced staff of Project Engineers, Geologist, Project Managers, Lab Manager, CADD, and ACI, WACEL, and MARTCP certified Engineering Technicians.

    Rajesh earned his Bachelor of Science degree in Civil Engineering and has two Master of Science degrees in Civil and Environmental Engineering.  He is an active member of ASCE – MD Catoctin Branch and Frederick County Building Industry Association.

  • Sandy Henningsen

    Vice President of Business Development

    Sandy’s role consists of developing client relationships, generating and capturing new work, and managing the corporate Business Development (BD) group. In addition, she works alongside our Branch and Division Managers, as well as regional BD Professionals, to plan, organize, and execute our BD and marketing efforts.

    Sandy has over 10 years of Business Development and Marketing experience in the local engineering and construction community. She represents HCEA through continued service on various industry boards and committees, as well as activities with numerous development, engineering, and construction associations. Sandy received her undergraduate degree majoring in Business Management and Industrial Psychology from the University of Central Florida and is a current MBA candidate at Mt. Saint Mary’s University.

  • Terry W. Rothrock

    Richmond Branch Manager

    Terry supports our Clients with more than 33 years of senior leadership and industry experience in Construction Materials Testing and Inspections, Geotechnical Engineering, and Environmental Consulting. He is currently managing our Richmond, VA office and his responsibilities include generating proposals, planning, executing, and the management of Engineering and Testing projects. He began performing Construction Materials Testing and Inspections as an Engineering Technician in 1985.  In 1988, Terry started supervising technicians on a project and departmental basis. As Construction Manager, he was responsible for the oversight and management of all Technicians and Inspectors for Atlantic Geotechnical Services, Inc., which became a Division of Hillis-Carnes and the Richmond branch office in 2016. Terry also works as an Engineering Geologist performing Phase I Environmental Site Assessments. He has worked extensively with Clients in both the public and private sectors on multi-disciplinary contracts and projects throughout Virginia. Our Richmond office is supported by an experienced staff of Professional Engineers, Construction Inspectors, Soil Engineers, Project Managers, as well as numerous ACI, NICET, WACEL, and MARTCP certified Engineering Technicians.

    Terry earned his Bachelor of Science degree in Geology from East Carolina University. He is an active member of the Associated General Contractors and Virginia Chapter American Concrete Institute.

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