The New Collaborators and Problem-Solvers to the Construction Industry

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    MDE staff has decades of experience developing engineering solutions for the most challenging energy and infrastructure projects, in varying project delivery settings.

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    MDE partners with our Clients to develop entire capital improvement programs to supplement, repair and replace critical assets.

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    MDE’s construction management successes are based on proper planning, early and continuous collaboration and an industry best understanding of the solutions we deliver.

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    MDE partners with Clients to register key project risks and develop appropriate mitigation strategies through contract documents, team-building and planning.

Who is MDE?

MDE is certified as a Women-owned Business Enterprise (WBE) in NY and NJ.

MDE offers a broad range of professional technical services as well as project construction management services (PMCM) and risk management. MDE primarily offers Mechanical/Electrical/Plumbing (MEP) design services, and related structural design services. Under PMCM, where the design work is performed by others, MDE offers services to manage the entire project. MDE’s management services, in addition to ensuring that the construction work is performed in accordance with applicable plans and specifications (though without taking responsibility for actual installation, fabrication or erection), include monitoring the budget and schedule for a project.

Donna Hager, PE, BCEE, Founder, President & CEO –

Donna Hager has 25 years of design engineering, project management, construction management, business operations, business development, and client account management experience. Her experience includes a variety of engineering projects in the areas of energy efficiency, co-generation, drinking water, wastewater, environmental planning, solid waste, industrial waste, and hazardous waste. Ms. Hager has successfully managed turnkey services (feasibility study, design, build and commissioning) for over $200M of construction and $3B of traditional design-bid-build construction in New York.

Phil Castellano. PE, Technical Director –

Phil Castellano has 45 years of extensive experience in project management and engineering management from planning through detailed design and construction of major projects. His project experience includes fossil fuel and nuclear utility power plants, industrial cogeneration, waste-to-energy, waste water treatment, central heating and chilled water plants, energy savings, infrastructure, transportation, nuclear and fossil power plant retrofit projects, and balance-of-plant design modifications. His duties include quality assurance of work products and deliverables, which are generated through a variety of project delivery methods. His extensive engineering and project management experience has been applied to overall project execution in a variety of project delivery methods including construction management and implementation, more recently focusing on the Design Build and Implementation Contracting project delivery.



There are many reasons why MDE as a subconsultant compliments your organization.

  • MDE has WBE certification in NY & NJ and will help you meet increased MWBE goals.

  • MDE executive management is intimately involved in technical aspects of our work and delivers the work product.

  • MDE staff has extensive MEP, water/wastewater design and construction management experience in a variety of Project Delivery Scenarios.

  • MDE staff has resiliency and energy efficiency experience, working with several NY agencies.







MDE staff honors and respects the dignity of all individuals. Our mission comes from the Lasallian heritage, which is to ‘…eagerly explore new communities and different ways of thinking and being in order to cultivate a truly global perspective. We are diverse in backgrounds, interests, talents, beliefs and opinions.’

Macan Deve Engineers, DPC [MDE] is a nascent woman-owned professional services company established in 2012, which specializes in engineering and construction management. Although MDE is a new to the market, MDE has a staff with more than 100 years of relevant industry experience, and has the talent and expertise to compete with even the most long established consulting and project management firms. This vast experience also positions MDE to compete for alternative methods of project delivery, such as design-build opportunities, where the design and construction are combined into one procurement contract.


  • Castle Hill Houses Master Energy Plan, Field Audits, Design and Implementation, PM/CM for Boiler Plant Replacement, Climate Control and Lighting Upgrade, Bronx, New York: Owner – NYCHA, Client – NYPA
  • Hot Water Storage Tank Replacement Program, Field Audits, Design and Implementation, PM/CM, 5 Boroughs, New York: Owner – NYCHA, Client- NYPA
  • 15MW Co-generation Facility, Rikers Island, New York: Owner-NYCDOC, Client-NYPA
  • Clean Air for Schools Program (CASP) Boiler Replacements, 5 Boroughs, New York: Owner-SCA, Client-NYPA
  • Catskill Delaware UV Disinfection Facility, Eastview, New York: Owner/Client – NYCDEP
  • Croton Water Filtration Plant, Bronx, New York: Owner/Client – NYCDEP
  • North River WWTP Boiler Plant and Hot Water Distribution Piping Replacement, New York, NY: Owner-NYCDEP, Client-NYPA

Awards and Recognitions


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