SumCo Eco-Contracting’s Central Services Team supports seasoned Construction Team Leads who are given the authority to hire the best people, select the best project opportunities, and perform our work as their experience dictates, always with our clients’ best interests in mind.


SumCo Eco Team Leads are skilled construction professionals who lead and mentor their crews including high performing project managers, foremen, operators, craftsmen and laborers.  Each Team Lead brings a diverse mix of construction experience to our client projects, augmenting our Eco improvement expertise with broad traditional site, civil and environmental construction expertise.


Ron Ferraiulo

Ron has over 19 years of civil and environmental construction experience. Prior to joining the firm he was a Vice President and Senior Project Manager at a general contractor specializing in utilities and excavation. Ron has additional experience in dam rehabilitation, coastal resiliency, site development, utilities, water and wastewater projects in the commercial, residential, educational, and municipal sectors.

Stephen Fuller

Steve has over 35 years of civil and environmental construction experience. Prior to joining the SumCo Eco in 2013, Steve held operations management, superintendent and general manager positions at several large contractors. Steve has particular expertise in dam improvement projects, dam removals, river restoration and fish passage.

Jonathan Gawrys 

As SumCo Eco’s Landsaping Team Lead, Jon leads SumCo’s planting, bioengineering and landscaping activities, having joined the firm in 2007. Jon supports SumCo Eco’s Construction Team Leads’ landscaping needs while serving direct clients as well.  Jon is a Licensed Massachusetts Pesticide Applicator; Licensed Massachusetts and Rhode Island Hoisting Engineer; Massachusetts Certified Horticulturalist, Invasive Plant Management Certified (UMass Extension), and an Associate/Member of the Society of Wetland Scientists, Ecological Landscaping Alliance, and International Erosion Control Association.

Josh Jeffrey, P.E.

Josh has over 18 years of civil, structural, mechanical, marine and environmental construction experience. Prior to joining the firm in 2018, he held construction management roles at several of the largest construction companies in the United States. Josh’s project experience includes roads, bridges, dams, hydro, marine, deep foundations, cofferdams and river restorations, as well as working on design-build projects.

Dave Lager

Dave founded NETCO in 1991, forging decades-long private client relationships while establishing NETCO as a leader in coastal construction and construction project management for over 35 years. Dave and his NETCO team joined SumCo Eco in March, 2019. Dave has completed hundreds of coastal, inland marine, heavy civil, public works, environmental, commercial and real estate development projects in New England and elsewhere. Dave and his team also pioneered the use of biodegradable coir and jute fabrics for shoreline and coastal bank stabilization where traditional “hard” engineering solutions cannot be used.

Joseph McManus

Joe has over 25 years of experience in civil and site construction as a laborer, foreman, estimator, PM, field superintendent and owner/GM.  He started in construction at a young age, working for McManus Companies, a 70-person firm started by his father, for 15 years. Joe has expertise in industrial, commercial and residential real estate development projects; earthwork; utilities; culverts and small bridges; parks and park-like features, and more. Joe also has owner-side experience as director of build operations for Spartan Race, where he oversaw a staff of 20.

Domingos Roda

Domingos has over 25 years of civil and environmental construction experience.  Prior to joining the firm in 2012, he held construction leadership roles at several heavy civil/environmental construction firms. Mingo has additional expertise in residential, commercial and mix-use site redevelopment as well as civil site infrastructure projects.

Nathan White

Nate has over 14 years of civil and environmental construction experience. Prior to joining the firm in 2018, he held construction leadership roles at two other heavy civil/environmental construction firms.  Nate has additional experience in site remediation including dig and haul sites, in-situ treatment, and site restoration, as well as site civil construction including landfill cell installation, roadway construction, dam removals/maintenance, management of utility subcontractors, and more.



Martin McHugh, JD

Marty’s expertise with nature-based/green infrastructure solutions supports our efforts to provide resilience and enhanced quality of life for our communities.  As a NJ Deputy Attorney General, he litigated major oil spills, contaminated site cleanups and penalty actions. Marty went on to establish NJ’s Natural Resource Damage Program to restore wildlife, habitat and other public resources injured by spills and contaminant discharges. As Director of N.J. Fish & Wildlife, Marty was responsible for the state’s conservation programs and 350,000 acres of public lands. Following Hurricane Sandy the National Fish & Wildlife Foundation brought Marty in to help manage their $100 million Coastal Resiliency Grant program in 13 impacted states. 

Robert Swain, LTE, CERP

Robert Swain founded The Dawson Corporation in 1975 after serving as a combat engineer in Vietnam. A construction company focused on ecological restoration, The Dawson Corporation joined SumCo Eco-Contracting in 2019. Mr. Swain is a NJDEP Licensed Tree Expert; Certified Ecological Restoration Practitioner; serves as treasurer on the boards of the Society for Ecological Restoration – Mid-Atlantic chapter, and Native Plant Society of NJ; is also a life member of the Society of Wetland Scientists; and is a member of the NJ Forestry Association, Land Improvement Contractors of America, NJ Forestry Association, International Society of Arboriculture, and Soil and Water Conservation Society.

Lewis Conley

Lew has over 24 years of civil and environmental construction experience. He began his career as a project engineer for a leading civil/environmental consulting firm, and has since held project leadership roles at several heavy civil/environmental construction firms. Lew has exceptional experience in environmental remediation and marine improvement construction including soils, groundwater, dredge material, and surface water.


Chad Sumner, Principal

Chad is a Co-founder and Managing Principal of the company.  Chad continuously defines and advances the firm’s ecological construction niche; has assembled and guides its complementary construction leadership team in addressing the diverse ecological, environmental and infrastructure challenges posed by our changing climate; and collaborates with industry stakeholders to improve best practices in ecological construction.

Chad is a scientist by education and training, having received his Master’s degree in Conservation Biology and dual Bachelor’s degrees magna cum laude in Geology and Biology from the University of Pennsylvania.  He has worked “in the field” at project sites for nearly 20 years, and oversaw the development and installation of the firm’s ecological construction and revegetation projects for over 10 years.

Chad is an active member of and frequent presenter at the Society of Wetland Scientists, the Association of Massachusetts Wetland Scientists, and the Environmental Business Council of New England, for which he also serves as a member of the board of directors.

Travis Sumner, Principal

Travis is a Co-founder and Principal of the company. Travis has spent his entire career in ecological restoration- in the field, logging tens of thousands of hours constructing some of the most exciting and innovative restoration projects in the Northeast.

As a Principal of the firm, Travis focuses on strategic growth, planning, client development, and staff leadership. As Director of Field Operations, he leads SumCo Eco’s overall field project execution, and is additionally responsible for its wetland earthwork, coastal resiliency, and planting activities.

Travis received his Bachelor degree in Mechanical Engineering from Union College; is a Licensed Hoisting Engineer; member of SER, ASME, SAE and Order of the Engineer.

Chris Stockwell, Chief of Project Development

Chris helps owners and teams find the right experts at SumCo Eco to support projects as they move toward construction.

Chris was formerly Director of Marketing and Senior Vice President of Marketing/CMO at two leading civil and environmental consulting engineering and scientific firms.  He received his Bachelor degree in Political Science from Northwestern University and his MBA from Northwestern’s J. L. Kellogg Graduate School of Management.

Ely Mahan, Chief of Estimating & Dredging Division Manager

Ely has over 19 years of heavy civil and environmental construction experience and leads the company’s Estimating Team and Dredging Division. His project experience includes large-scale dredging and marine construction;  soil remediation and environmental mitigation; heavy highway construction, and general civil and site construction across the throughout the East and Gulf coast regions of the United States.

Prior to joining the firm in 2019, Ely held senior estimating and project management positions at several large construction firms. He received both a BE in Civil Engineering and BE in Ocean Engineering from Florida Tech.

Paul DeVirgilio, General Superintendent

Paul has over 25 years of heavy civil and environmental construction experience.  As firm General Superintendent Paul is responsible for worker safety, hiring, machinery and equipment, and general project administration.

Prior to joining the firm in 2017, Paul held construction project management and leadership positions at several large construction firms. Paul’s construction expertise includes site development, remediation, utilities, dredging, and more for public, institutional and private clients. Paul earned his Bachelor’s degree in Business from Northeastern University.

Craig Chisholm, Director of Finance

Craig has over 18 years of experience as a construction financial manager since beginning his career as a project accountant in 2001. In addition to being a U.S. Army finance veteran, Craig is a Certified Construction Industry Financial Professional (CCIFP). Craig also serves on committees for the Institute of Certified Construction Industry Finance Professionals (ICCIFP) and the Construction Financial Management Association (CFMA).

He earned his MBA from the University of Massachusetts Lowell.