We collaborate with our clients to develop innovative programs that save them money, improve assets, and reduce environmental impacts.

Our comprehensive energy and sustainability portfolio includes facilities in the healthcare, hospitality, transportation, retail, commercial, and education sectors.

We proudly support the following organizations:


Cumming is a nationwide provider of energy, sustainability, and environmental services for existing buildings and new construction. We help clients understand their energy inefficiencies and options, and present solutions that not only minimize impacts to the environment, but save money.


We provide a full suite of energy efficiency and renewable energy generation services nationwide.

Our energy services include:

  • Benchmarking, energy modeling, energy auditing, and retro-commissioning of existing buildings in order to identify, finance, and implement a broad range of energy efficiency solutions.
  • The identification of Energy Efficiency Measures and Energy Conservation Measures to reduce baseline consumption.
  • Comprehensive energy plan options that include detailed scopes of work, schedules, cost estimates, life-cycle analysis, and present day cost-benefit analysis of long-term renewable energy options.
  • Analysis of various renewable energy technology options that include solar photovoltaic (PV), fuel cells, co-gen, waste-to-energy, micro turbine, and others.
  • Commissioning and retro-commissioning
  • Utility program services


Our sustainability planning and project development solutions are tailored to your needs and requirements.

Our sustainability services include:

  • Strategic planning solutions tailored to reduce your carbon footprint and comply with local regulations. We will work with you to uncover opportunities in the following:
    • Water and Energy Conservation
    • Greenhouse Gas (GHG) Reporting and Mitigation Planning
    • Electric vehicle Master Plans
    • Climate Action Plans
    • Resiliency Planning
    • Green Policies
  • Green Certification Support: LEED, Envision, WELL
  • Triple Bottom Line (TBL) Analysis
  • Environmental Management System (ISO 14001)


Cumming’s energy and sustainability professionals proactively lead, challenge, motivate, and direct teams to generate superb results that save money and time, mitigate risk, and achieve our clients’ delivery goals. We are advocates for our clients and we take great pride and ownership in everything we do.

Christine Marez

Christine Marez, LEED AP, ENV SP
Managing Director

Christine leads our energy project development and sustainability strategies. She has extensive experience in public agency and school construction as well as energy efficiency and renewable energy. Her certifications include CIG, LEED AP, and ENV SP.

Adam Todd

Adam Todd

Todd has six years of LED lighting design and installation experience, auditing, energy efficiency, and energy project management.

Scott Gallic

Scott Gallic
Associate Director

Scott has 11 years of experience with complex environmental compliance and consulting projects. His certifications include LEED AP O+M, ENV SP, and ARB Accredited Lead Verifier.

Angel Ayala

Angel Ayala
Senior Project Manager

Angel has six years of construction and project management experience specializing in sustainability, utility scale energy, HVAC, and lighting projects.

Shane Noreen

Peter Davi, PE
Energy Project Engineer

Peter is a licensed mechanical engineer with over seven years of experience in the energy efficiency industry. He has proven expertise in Title 24 code compliance, energy efficiency (HVAC, process lighting, RCx), and building audits

Shane Noreen

Brian Mauleon, PE
Project Manager

Brian is a licensed mechanical engineer with over seven years of experience in energy efficiency designs and analysis, utility program management, life cycle cost analysis, and sustainability triple bottom line analysis. His certifications include PE and PMP.

Shane Noreen

Nam Nguyen, PE
Senior Energy Engineer

Shane is a licensed civil engineer with over seven years of expertise in energy, sustainability, and climate change including ISO quality management standards program compliance, efficiency designs, and analysis. His certifications include PE and NATEC’s Lead Inspector.

Shane Noreen

John Mortl, ENV SP
Senior Project Manager

John has over 25 years of experience in the construction industry, working specifically in project design and implementation, project and construction management, operations, and maintenance services. He is an Envision Sustainability Professional.

Shane Noreen

Emma Sorrel, ENV SP
Sustainability Project Manager

Emma is a project manager and data analyst with over six years managing sustainability program development, energy and sustainability project implementation, water conservation, waste reduction and diversion, and behavioral change.  Her certifications include TRUE Advisor, SCAQMD, and Certified Employee Transportation Coordinator.

Shane Noreen

David Lazerwitz
Project Manager

David has over 14 years of experience in project and engineering consulting. His expertise consists of construction management and oversight, energy conservation analysis, Solar PV, renewable energy development, and installations. His certifications include PMP and NABCEP Certified PV Installer.

Shane Noreen

Mark Walter, CBCP

Senior Commissioning Manager

Mark has over 30 years experience in building control system designs, installation, and building commissioning. He has commissioned facilities as large as three million sq. ft.. He is a certified Commissioning Authority and sits on the Advisory Council of the California Commissioning Collaborative. He is also a Certified Building Commissioning Professional (CBCP) and Existing Building Commissioning Professional (EBCP).


Find out how our energy experts can help you meet your energy savings goal and save money.