Management Team

Paul J. Navarro, P.E.

President and CEO

Mr. Navarro, President and CEO, founded N&W in 1996 and oversees the overall strategic operations and development of the company to successfully serve the needs of our clients.   He has over 32 years of experience in design and management of civil engineering projects, including streets/ roadways, water distribution and treatment facilities, wastewater collection and treatment facilities, and land development.  Mr. Navarro is a professional engineer in the states of Pennsylvania, Maryland, Ohio, New York, Virginia, Delaware, New Jersey and Florida and has served as primary contact for numerous public, private and institutional clients. Mr. Navarro serves as a 2014-2017 Executive Director of the Land Development Coalition (LDC) of the American Council of Engineering Companies, is a member of the American Society of Civil Engineers (PA-Central Chapter), the Consulting Engineers Council, Pennsylvania Water Environment Association, and is involved with numerous Latino-based community organizations.




Deborah D. Foust, P.G.

Executive Vice President, Senior Transportation Manager

Ms. Foust brings over 35 years of experience to Navarro & Wright which includes 13 years at N&W.  Her responsibilities include developing client relationships for transportation services in Pennsylvania and throughout the Mid-Atlantic region. Ms. Foust oversees transportation projects as Senior Transportation Manager and assists as QA/QC Manager on transportation projects. She also focuses on the strategic processes of N&W’s Transportation Division to continue its high level of performance as the firm enters a new phase of growth.  She has vast experience with composing proposals, management of multiple projects, developing QA/QC standards, and managing personnel, budgets, schedules and communications with clients.   Her technical experience specialties include geotechnical engineering, geo-environmental studies, Phase I ESAs, geomorphological studies, drilling inspections and geological investigations throughout the Mid-Atlantic region, and administration of drilling contract. She is our primary drilling inspector trainer, having trained countless engineers, geologists, and other non-professional employees. Ms. Foust is a licensed Professional Geologist in Pennsylvania and Delaware.


John K. O’Connell

Chief Operating Officer

Mr. O’Connell offers 31 years of experience managing a wide range of engineering operations, specializing in environmental and municipal engineering with emphasis in business management, project management, design, and construction of a broad range of complex municipal and private development projects. He provides strong customer service, project quality control and innovative solutions for clients in the municipal and private sectors. Mr. O’Connell’s extensive experience working with municipalities, municipal authorities, and private entities provides innovative, but cost-effective and practical, solutions to a variety of engineering issues. Mr. O’Connell’s focus is in water and wastewater engineering, in addition to having performed on countless civil, site, utility and recreation facility projects.



Arlene Callahan

Chief Financial Officer / Human Resources Director

Ms. Callahan joined N & W in 2007 as Chief Financial Officer; and in 2010 was appointed the additional position of HR Director. She is responsible for preparing and analyzing budgets, financials and forecasts; as well as maintaining cash flow; and preparation, assistance and coordination of all audits/reviews/tax returns. Additionally, she is responsible for developing & implementing personnel policies and procedures for the firm; administration of all employee benefits and retirement products; as well as ensuring compliance with all federal and state legislation pertaining to personnel matters. She is a graduate of Mount Saint Mary’s College with an MBA concentrating in accounting. Arlene previously worked at YTI and the former Computer Learning Network. In 2012, she was awarded CFO of the Year for small/medium private company by the Central Penn Business Journal.



Robert M. Peda, P.E.

Engineering Technology Group Manager / Senior Transportation Engineer

Mr. Peda has has over 40 years of progressive experience in highway transportation planning, design, construction, maintenance and operations. He is responsible for directing the planning and execution of specialty transportation engineering assignments for services related to workforce development, maintenance and operations, materials quality control, and marketing specific company growth areas. Mr. Peda’s career included employment with the Pennsylvania Turnpike Commission, PennDOT Engineering District 8-0, and PennDOT Bureaus of Transportation Planning Statistics, Design, Construction & Materials, and Maintenance & Operations. He is a member of the American Society of Civil Engineers, Institute of Transportation Engineers, and the American Society of Highway Engineers. He served in various board positions including President of the American Society of Highway Engineers (Harrisburg Section) and as National Director for ASHE Region 4.



Scott A. Summers, PG

Senior Vice President

Mr. Summers has over 21 years of experience with a broad spectrum of clients in the related fields of environmental consulting and remediation, geotechnical engineering, construction materials observation and testing, mineral resource exploration and characterization, hydrogeologic studies and groundwater modeling, IAQ/IH studies, and field exploration services.  He is responsible for business development for N&W’s expanded Construction Services Division, including field and laboratory materials testing, drilling services, geotechnical and environmental services with a focus on private sector clients. He is a Licensed Professional Geologist in Delaware, Pennsylvania and Tennessee.  Mr. Summers has a Masters of Business Administration from Penn State University and a Bachelors of Science, Geology from Kutztown University of Pennsylvania.



Jason D. Gutshall, P.E., LEED Green Associate

Site Civil Infrastructure Division Manager

Mr. Gutshall has over 16 years of experience in residential and commercial subdivision and land development projects, stormwater management design, erosion and sediment control design, NPDES permitting, wastewater collection system design, floodplain studies, pump station design, road design, and PennDOT utility and highway permitting. As Site Civil Infrastructure Division Manager, he is responsible for overseeing complete project management and delivery services to provide delivery of civil, site, and infrastructure projects for our clients.




Dillon Marino

Northern PA Regional Manager, Project Manager

Mr. Marino is the Northern PA Regional Manager and Project Manager at Navarro & Wright. He is an Environmental Specialist with over 11 years of experience specializing in Marcellus Shale related projects, stream assessment and restoration design. Mr. Marino has experienced several aspects of the design process, including field analysis, conceptual design, permitting, cost estimate preparation, construction specification development, construction management, and post construction monitoring. He also has hands-on experience in implementation of environmental construction projects, including installing of both hard and soft stream bank stabilization techniques, field survey/construction stakeout, plant/bioengineering materials, and heavy equipment operation. In conjunction with his stream restoration experience Mr. Marino has extensive experience in Geographic Information Systems. He has conducted cartographic services on a number of stream restoration and other projects.



Robert B. Bush, P.L.S.

Chief of Surveys, PA

Mr. Bush has over 30 years of surveying and management experience and leads the transportation survey department in the firm’s Pennsylvania markets. He provides day-to-day management and supervision of the survey staff and field crews and assists in further developing and marketing the company’s surveying services in the public transportation sector. He is a licensed Professional Land Surveyor in Pennsylvania, Maryland and West Virginia. He is a member of the Pennsylvania Society of Land Surveyors (PSLS) and Maryland Society of Land Surveyors. Currently Vice President of the PSLS Harrisburg Chapter, Mr. Bush has extensive survey experience and has worked on survey projects for PennDOT and the Pennsylvania Turnpike Commission. His multi-state professional registrations adds depth to the firm’s survey capacity and expanding geographic footprint.




Thomas J. Imholte, P.E.

Geotechnical Engineering Division Manager

Mr. Imholte has 28 years of design and construction experience in the public and private sector markets and has been responsible for geotechnical engineering of numerous highways, bridges and other infrastructure projects. He has worked extensively in the transportation market and has significant experience with design-build projects. Mr. Imholte oversees and manages N&W’s Geotechnical Engineering team, serving our clients throughout the Mid-Atlantic region. Mr. Imholte received a Master of Science in Civil Engineering and Bachelor of Science in Civil Engineering from the New Jersey Institute of Technology. He is a licensed Professional Engineer in Pennsylvania, New Jersey, New York, Illinois, West Virginia, and Indiana. He is a member of American Society of Highway Engineers (ASHE), American Society of Civil Engineers (ASCE), Geo-Institute, Central PA Engineers Week Council. Mr. Imholte was selected by the Central Pennsylvania Engineers Week Council to receive the “2015 Engineer of the Year Award.”