Meet the DM/A Team

Photo courtesy of LGH and Nathan Cox

Our Team

At DM/A we approach project design with careful understanding of your needs. We tailor our service to your project large or small. Our staff makes the effort to understand the needs of your business, project or municipality to be sure that our services meet your needs and exceed your expectations.

Civil Engineers, Landscape Architects, Geologists, Planners, Surveyors, and more!

Our multi-discipline staff includes Professional Engineers, Registered Landscape Architects, Professional Geologists, Certified Planners, Professional Land Surveyors, and CAD and GIS professionals.

Your DM/A project team will consist of a Principal in Charge, a Project Manager and supporting in-house professionals. When needed, DM/A partners with outstanding professionals in specialized fields to round out your project team.

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James V. Boyer, PE

James V. Boyer, PE

Managing Principal

Phone: 717-898-3402 ext. 118

Mr. Boyer became Managing Principal in 2014.  He joined the firm in 1991 after receiving his Bachelor of Science degree in Civil Engineering from Messiah College/Temple University.  He served as Director of Civil Engineering for the firm until 2006, when he took on the role of the company’s CFO.

Mr. Boyer is responsible for the overall financial management of the firm.  He is a member of the National Society of Professional Engineers, the Pennsylvania Society of Professional Engineers in Private Practice and the Coalition for Smart Growth.  He also volunteers his time and serves on the board of directors for several non-profit organizations.

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William M. Swiernik, RLA, ASLA

Principal

Phone: 717-898-3402 ext. 125

Mr. Swiernik joined David Miller/Associates, Inc. in 1990.  He received his Bachelor of Science degree in Landscape Architecture from the State University of New York.

Mr. Swiernik is responsible for all phases of land planning and design including concept development, construction drawing preparation and project management.  He became a principal of the firm in 2006 and is a member of the American Society of Landscape Architects and the League of American Bicyclists.

Scott H. Hain, PE

Scott H. Hain, PE

Principal

Phone: 717-898-3402 ext. 116

Mr. Hain joined the firm in 1998. He became a principal of the firm in 2007.  He also serves as Director for DM/A Municipal Services, a specialized group within the firm that caters to our planning and public sector client base.

Mr. Hain received his Bachelor of Science degree in Civil Engineering from the University of Delaware.  He is a member of the Pennsylvania State Association of Township Engineers, the Pennsylvania State Association of Boroughs, the Coalition for Smart Growth.

Mr. Hain is a member of the Board for the Lancaster County Clean Water Consortium.  He also serves on the Lititz Borough Council and on the Linden Hall Board of Trustees.

Douglas W. Matthews, PE

Douglas W. Matthews, PE

Principal, Director of Engineering

Phone: 717-898-3402 ext. 133

Mr. Matthews became a principal with DM/A in 2014.  He joined David Miller/Associates, Inc. in 2000 after receiving his Bachelor of Science degree in Agricultural and Biological Engineering from Penn State University.

As Director of Engineering for the firm, he oversees the technical design for all projects, including stormwater management, floodplain analysis, erosion and sediment pollution control plans and coordination of state and county permitting.

He serves as Chairman of the Lititz Borough Zoning Hearing Board and Vice President of the Warwick Little League. Doug is also actively involved in the Boy Scouts.

James L. Feather, PLS, AICP

James L. Feather, PLS, AICP

Director of Surveying

Phone: 717-898-3402 ext. 112

Mr. Feather joined the firm in 2003.  As Director of Surveying, he coordinates all surveying services for the company both in the field and the office, including boundary, topographic, as-built and land development surveys.

Mr. Feather received his Bachelor of Science degree in Regional Planning from the Indiana State University of Pennsylvania and his Associates of Engineering degree in Surveying Technology from Penn State University.

He is a member of the American Congress on Surveying and Mapping, the National Society of Professional Surveyors, the American Planning Association, the American Institute of Certified Planners, the Maryland Society of Surveyors and the Pennsylvania Society of Land Surveyors.

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Douglas S. Cwienk, PG

Senior Hydrogeologist

Phone: 717-898-3402 ext. 114

Mr. Cwienk joined DM/A in 2016 as Senior Hydrogeologist.  He received a Bachelor of Arts in Geology and a Bachelor of Arts in Marine Science from Kutztown University of Pennsylvania.  He also has a Masters of Science in Oceanography from the University of Rhode Island.

Mr. Cwienk is responsible for geologic investigations including: containment fate and transport, hazardous geology, aquifer testing, site assessment and remediation.  He also provides expert witness testimony and litigation support.

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Timothy C. Higgins, PG

Senior Hydrogeologist

Phone: 717-898-3402 ext. 113

Mr. Higgins joined DM/A in 2016 as Senior Hydrogeologist.  He has a Bachelors of Science in Geology from West Virginia University.

Mr. Higgins is responsible for development and management of water supply projects for municipalities, authorities, commercial and industrial clients and oil and gas drilling interests.  He is also responsible for project management and litigation support for evaluation of contaminated sites, Act 2/Brownfield sites, petroleum/chemical releases and regulatory compliance.

Todd C. Vaughn

Todd C. Vaughn

Sr. Project Manager

Phone: 717-898-3402 ext. 123

Mr. Vaughn joined David Miller/Associates, Inc. in 2003 and is responsible for project management and technical design for projects involving stormwater management, floodplain analysis, erosion and sediment pollution control and street design, including utility layout.

He received his Associates Degree in Specialized Technology Design Drafting from York Technical Institute and his Bachelor of Science degree in Civil Engineering from Point Park College.

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Brent Detter, RLA

Senior Project Manager

Phone: 717-898-3402 ext. 124

Brent joined DM/A in 2017.  He is a registered landscape architect in Pennsylvania and is also a LEED Green Associate.  Brent serves as a Senior Project Manager working on residential, commercial, and industrial land development projects. He serves as an alternate member of the East Hempfield Township Planning Commission.  Additionally, Brent holds a FAA Part 107 Remote Pilot Certification and provides all of DM/A’s aerial-related services.  Brent is a graduate of West Virginia University with a Bachelor of Science in Landscape Architecture.

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Adam Westgate

Landscape Architectural Designer

Phone: 717-898-3402 ext. 139

Adam joined David Miller/Associates, Inc. in 2015.  He received his Bachelor of Science degree in Landscape Architecture from West Virginia University in 2008 and has a minor in Development and Planning.

Adam is responsible for graphic design and drawings for DM/A projects.  He also serves as a landscape architectural designer.

Brian F. McElroy

Brian F. McElroy

Project Manager

Phone: 717-898-3402 ext. 141

Mr. McElroy joined the firm in 2007.  He is responsible for technical design including roadway design, PennDOT permitting, stormwater management, floodplain analysis, erosion and sediment pollution control plans, and coordination of federal, state, and county permitting.

Mr. McElroy received his Associates degree in Engineering Technology from Reading Area Community College.  He is a member of the International Erosion Control Association and the American Society of Highway Engineers.

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Nick Ebersole

Project Manager

Phone: 717-898-3402 ext. 121

Nick Ebersole joined DM/A’s municipal services group in 2017 as a project manager.  Nick is a graduate of Millersville University and holds a Bachelor of Science in Environmental Geography and a Minor in Land Use and Geographic Information Systems.

Zach Beyler

Engineering Technician

Phone: 717-898-3402 ext. 115

Zach Beyler joined DM/A’s civil engineering staff in 2014. In that capacity, he will work on projects for storm water management, flood plain analysis, and utility design. A native of Lancaster County, he holds a Bachelor of Science in Surveying Engineering from Penn State University, State College, PA. Zach comes to the firm with over five years of experience in the land development industry, working primarily on commercial, residential and natural gas pipeline projects.

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Ryan Trees

EIT Tech

Phone: 717-898-3402 ext. (717)898-3402 ext 120

Ryan joined DM/A’s civil engineering staff in 2015 as an EIT Tech.  He assists with preparations of stormwater management plans, calculations and reports as well as utility design and permitting on projects in the Central Pennsylvania region.

A native of Lancaster County, Ryan holds a Bachelor of Science in Civil Engineering from Penn State University and is a member of the American Society of Civil Engineers.

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Benjamin Reinert

EIT Tech

Phone: 717-898-3402 ext. (717)898-3402

Ben joined DM/A’s civil engineering staff in 2017 as an EIT Tech.  He assists with preparations of stormwater management plans, calculations and reports as well as utility design and permitting on projects in the Central Pennsylvania region.

Ben holds a Bachelor of Science in Engineering from Messiah College.

Julie A. Spangler

Julie A. Spangler

Senior CADD Technician

Phone: 717-898-3402 ext. 135

Ms. Spangler joined David Miller/Associates, Inc. in 1996.  She received her Associate’s Degree in Specialized Technology CADD from York Technical Institute.  She is responsible for preparing CAD drawings and Arcview GIS for company projects.

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Michael E. Waples

CADD Technician

Phone: 717-898-3402 ext. 127

Mr. Waples returned to David Miller/Associates, Inc. in the fall of 2017.  He graduated from York Technical Institute in 1999 with an Associate’s Degree in CADD.  Mike is responsible for preparing CAD drawings for company projects including commercial, residential and recreational.

Mission Statement

DM/A’s mission is to provide innovative, sustainable and responsive solutions in a creative environment with clearly communicated values and the opportunity for growth.

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