Barbra Batshalom, Chair

Barbra Batshalom, Chair

Sustainable Performance Institute, Founder

Barbra is the founder and president of the Sustainable Performance Institute a national organization that assists the building industry in institutionalizing sustainability. Additionally, she has founded The Green Roundtable as well as leading the way in forming our own USGBC Massachusetts chapter! Barbra is a trailblazer is transforming businesses and the building industry into a more sustainable field.

John Dalzell, Co-Chair

John Dalzell, Co-Chair

Boston Redevelopment Authority, Senior Architect

John has been deeply involved with USGBC and LEED for many years now, as illustrated by his awarded position as LEED Fellow, Accredited Professional in BD+C and Neighborhood Development, and as a founding member of the USGBC Massachusetts chapter. John is also a senior architect for sustainable development at the Boston Redevelopment Authority and a champion for Green Building and Community Programs.

Carrie Havey, Secretary

Carrie Havey, Secretary

The Green Engineer, Project Manager

Carrie joined the USGBC MA chapter within her first few months in Boston and has brought sustainability into all aspects of her work. She currently works as a Project Manager at The Green Engineer. Carrie has over twelve years of experience in planning and landscape architecture from Concord Square Planning & Development, Stantec, Tompkins County Planning Department, and others.

John "JC" Courtney, Treasurer

John "JC" Courtney, Treasurer

Business Development Manager, Data Analytics, Siemens

John has a long standing professional history with buildings and technology. At Siemens, John assists clients in developing actionable insights into building operation through application of data analytics to their facilities. Siemens’ Navigator with IBM Watson technology, informs building managers and owners about the operations of their campus helping to reduce energy consumption and operating costs, optimize people’s comfort and proactively maintain and extend the life of equipment.

Andrea Love, Immediate Past Chair

Andrea Love, Immediate Past Chair

Payette, Director, Building Science

Andrea works across projects to integrate performance modeling tools into Payette’s design process to inform and push designs. Additionally, she leads a number of internal research projects, and currently is the Principal Investigator on the 2012 AIA Upjohn Grant on “Thermal Performance of Facades” a research project focused on thermal bridging. She also leads the firm’s efforts on the AIA 2030 Commitment, tracking and benchmarking the performance of projects across the firm. Andrea received her Bachelor of Architecture from Carnegie Mellon and a Master of Science in Architecture Studies in Building Technology from MIT where she was the recipient of the Tucker-Voss Award, and focused her thesis on the thermal performance of facades. She is also a Lecturer at MIT in the Department of Architecture’s Building Technology group where she teaches a class on building envelope performance. She currently serves on the national USGBC Chapter Steering Committee and Education Steering Committee and is a member of the COTE Advisory Group to the Board.

Jana Silsby, Director

Jana Silsby, Director

Principal, Perkins Eastman

Jana was highly involved with Greenbuild 2017, where she developed Tours for the Greenbuild International Conference in Boston that included 29 tours that visited 80+ sites over 3 days, as well as developed the RFP, reviewed and compiled tour sites into tours and managed more than 60 volunteers. Jana graduated from Ball State University with a Masters in Architecture and a Bachelors in Environmental Design.

Rebecca Hatchadorian, Director

Rebecca Hatchadorian, Director

Associate, Arup

Rebecca has worked on numerous LEED projects in addition to a broad range of projects ranging from energy and GHG emissions masterplanning, to existing building retrofits to new construction and climate change vulnerability assessments. For the past four years, she has also been involved with Arup’s corporate sustainability at the regional and global levels to continue to drive sustainability and improve how they operate as an organization.

Jenna Dancewicz

Jenna Dancewicz

Project Manager, Suffolk

Jenna is passionate about many things. Away from work, she loves to play ice hockey and loves to tap dance. When it comes to her professional life, she enjoys new construction and appreciates more sustainable renovation work. She melds together her passions and shows how they and synthesize in action. She uses her competitive nature which she has developed from her years playing hockey, the grace and performance skills she gleans from tap dancing, and the open-mindedness around sustainable building practices to advance her career at Suffolk. She prides herself in showing others that using your unique strengths and opening your mind to different approaches and diverse points of view can be transformative.

Jenna holds a BS in Civil Engineering from Brown University and has many years of experience with the USGBC MA from her role as Committee Chair of the Emerging Professionals Committee.

Henrietta Davis, Director

Henrietta Davis, Director

Former Mayor, City of Cambridge

Henrietta Davis served as the Mayor of the City of Cambridge for two years, 2012 to Jan 2014. She focused on creating a healthy and livable city, concentrating on energy, the environment, pedestrian and bicycling safety, neighborhood preservation, housing, and children’s health and education. She is now a member of the Cambridge Net Zero Task Force, a municipal advisory committee developing a long-term plan for zero carbon emissions by 2050 through energy efficiency and generation of renewable energy. Prior to serving as mayor, Mayor Davis was the Chair of the City Council’s Environment Committee and she led the Council to adopt a Green Building policy for all new city buildings.

Samira Ahmadi, Director

Samira Ahmadi, Director

Founding Principal, enviENERGY Studio

Samira Ahmadi has 4 years of sustainability consulting experience and more than six years’ experience in architecture and engineering. Her practice at AHA Consulting Engineers, Inc. focuses on sustainability and energy performance analyses for new construction, pursuing LEED certification and energy-upgrades, and Life Cycle Cost Analyses of existing building retrofits for utility incentives and government founded initiatives.Samira holds a B.S. in Architectural Engineering, an M.Arch. in Architecture from the University of Texas at San Antonio, and M.S. in Building Performance and Diagnostics, with a main focus on sustainability and energy simulation, from Carnegie Mellon University. She is the Director of Energy Services at AHA and has earned the prestigious Building Energy Modeling Professional (BEMP) designation from ASHRAE, which is the highest certification available for energy modelers.

Mike Davis

Mike Davis

Local Initiative Support Corporation (LISC), Program Officer

Mike Davis is the Senior Program Officer for LISC’s Green Retrofit Initiative. He joined LISC in 2012 and provides affordable housing owners across the state with technical assistance on energy efficiency, clean energy and healthy housing.  Additionally, Mike also does lending and asset management for LISC on community development projects. Previously, he worked for five years at New York City’s Department of Housing Preservation & Development as a Director of Operations for the Division of Architecture + Engineering and as a Senior Planner for the Bronx Planning Unit.  Mike also spent three years as grassroots organizer on drinking water/watershed protection for Clean Water Action in MA and a year in AmeriCorps with MA Community Water Watch. Mike has a Master of Urban Planning from New York University’s Wagner Graduate School of Public Service and a BA in English and a BS in Earth Science from Pennsylvania State University.  He is a member of the American Institute of Certified Planners and a LEED Accredited Professional with a specialty in Building Design and Construction.  Mike currently serves on the Board representing the affordable housing sector and volunteers annually as a Tax Preparer for the Boston Tax Help Coalition.

Michael Fiorello, Director

Michael Fiorello, Director

Director of Sustainable Design, Boston Architectural College

Michael Fiorillo, AIA, ASLA, has been a member of the BAC faculty for over 10 years, overseeing the development of students from their first year through graduation. Micahel has taught in many subject areas at the College, including foundation studios, design theory and inquiry, sustainable material assemblies, advanced studio workshops, site design, and more. He has worked as a graduate thesis advisor and graduate thesis panel member. This interdisciplinary experience has given him a knowledgeable perspective on both the BAC and design pedagogy.Michael has a Master of Architecture from Rhode Island School of Design and a Bachelor of Arts in Philosophy from Rutgers College. He founded and managed the architecture and landscape architecture firm, Fiorillo Architects, in Cambridge, MA. The firm focuses on connecting people to larger systems through sustainable solutions.

Johanna Jobin, Director

Johanna Jobin, Director

Corporate Affairs, PO&T, Biogen

Johanna has over 10 years of experience in corporate responsibility and sustainability for both small and large enterprise. From this she has supported and participated in a number of green building projects, including several projects that have achieved LEED Silver or higher, in the U.S. as well as Europe and India. Johanna is active in several sustainability-related organizations.  She has contributed to the City of Cambridge’s CPAC (Climate Protection Action Committee) and has spoken externally regarding a number of green building, climate and energy topics. Johanna was previously Head of Corporate Responsibility & Community Affairs at EMD Millipore and a Management Consultant at CDM Smith.  She attended Wheaton College for her undergraduate studies and Duke Nicholas School for the Environment for graduate studies.

Jim Jones, Director

Jim Jones, Director

Senior Director of Business Development, Skanska

Jim is a member of the leadership team at Skanska and is involved with some of the most sustainable designs in the region.

Ben Myers, Director

Ben Myers, Director

Boston Properties, Sustainability Director

Ben leads sustainability initiatives at Boston Properties, one of the largest owners, managers, and developers of first-class office and mixed-use properties in the United States. His interests include whole-building approaches to sustainable design, sustainable building operations, energy conservation measure implementation, and renewable energy development. Prior to joining Boston Properties, Ben was a green building coordinator at Harvard University. He is a LEED AP BD+C and a Certified Energy Manager. He holds a M.A. in Urban Environmental Leadership from Lesley University and a B.S. in Civil & Environmental Engineering from the University of Massachusetts at Amherst.

Galen Nelson, Director

Galen Nelson, Director

Senior Director of Innovation and Industry Support, MassCEC

Galen is the Senior Director of Innovation and Industry Support at the Massachusetts Clean Energy Center where he leads a team focused on providing targeted, strategic, and timely resources to help clean energy companies and entrepreneurs develop technologies while moving closer to commercialization and market traction in established and emerging markets. Galen’s individual work focuses primarily on microgrids, energy storage, and energy resilience. Prior to joining the MassCEC, Galen led clean energy business and green affordable housing policy development efforts at the City of Boston.  Galen has over 10 years’ experience developing programs and policies at the City and State level often at the intersection of urban planning, economic development, and clean energy.  He also holds a Bachelor of Arts from Colby College.

Ethan Lay-Sleeper, Director

Ethan Lay-Sleeper, Director

Planner, Sasaki Associates

Ethan brings experience from the fields of architecture and planning in both the public and private sectors. His experience ranges from designing and promoting LEED certified buildings, to incorporating LEED-focused performance standards and renewable energy systems into municipal planning efforts. As a planner for Sasaki Associates, he works in interdisciplinary teams to produce planning, design, and policy solutions focused on place-making and sustainability.

Steven Burke, Director

Steven Burke, Director

Sustainability Manager, Consigli Construction

Steven is a Sustainability Manager at SMMA, an integrated, multi-disciplinary design, engineering, and commissioning firm. Steven has guided green building certifications on projects of many different types and sizes, including but not limited to: k-12 schools, higher education facilities, mid-rise and high-rise residential, commercial interiors, retail interiors, and commercial office buildings.

Steven has a Master of Science in Sustainability Management from Columbia University and his professional and educational backgrounds blend business development and management, building analysis, weatherization, energy auditing, solar installation, and sustainable design and construction.

Darien Crimmin, Director

Darien Crimmin, Director

Vice President of Energy & Sustainability, WinnCompanies

Darien L. Crimmin has worked in the business of sustainability for more than 10 years. At WinnCompanies, he is responsible for managing a range of energy efficiency projects and sustainability programs across Winn’s residential portfolio. Through Darien’s leadership, Winn has partnered with numerous local, state and federal agencies to reduce energy costs and promote investments in sustainability. Prior to joining WinnDevelopment in 2009, Darien was responsible for managing Harvard University’s Office for Sustainability Green Building Services. In addition to supporting USGBCMA chapter, Darien actively engages with many Boston-area energy and sustainability organizations, including LEAN (Low-Income Energy Affordability Network) and NESEA (the Northeast Sustainable Energy Association).

John Markowitz, Secretary

John Markowitz, Secretary

Director of Treasury Services, MBTA

John has previously worked as a Vice President of Public Finance at Stifel Financial Corp., an Associate at Stone & Youngberg, and a Credit Analyst at SunTrust Bank. He attended the University of Virginia. John currently works for MassDevelopment, the Commonwealth’s Development Agency, financing infrastructure for large-scale real estate development projects across the Commonwealth, including from project inception to stabilization and beyond. He works closely with state and local government officials, real estate developers and banks to leverage public and private funds to support economic growth.


Stephen Benz

(First Chair- Founding Board)

-Founder & Consultant at SITEGreen Solution, LLC-

As Partner and Director of Green Infrastructure, Steve Benz is responsible for leading sustainable design strategies within OLIN’s projects. With over 30 years of civil engineering and construction experience, he has pioneered new green infrastructure solutions that create resilient and performative sites.

Bob Brooks

(First Vice Chair- Founding Board)

Chris Schaffner

-Principal at The Green Engineer, Inc. –

Chris Schaffner, PE, LEED Fellow is founder and President of The Green Engineer, Inc. a sustainable design consulting firm located in Concord, MA. Chris has 25 years of experience in the design of building systems with a focus on energy efficiency and sustainability. He holds a B.S. in Mechanical Engineering from M.I.T., and is a registered professional engineer in Massachusetts, California, and Vermont.

Jackie Henke

-Sustainability & Innovation Leadership in Commercial Real Estate-

In her role of Sustainability & Innovations Director, Jackie oversees the environmental strategy of TD Bank from Maine to Florida and across Canada by providing thought leadership to drive TD’s green building strategy higher and institutionalize the Bank’s green building practices to bring meaningful impact to the organization.

Bill Holland

(Chair of Governance Committee that wrote all of the original bylaws)

-Capital Planning Program Developer at Massachusetts Department of Housing and Community Development-

In his current position as the Mass Dept. of Housing and Community Development, Bill supports local housing authorities in developing capital improvement plans for preserving state-assisted low income housing.

Martine Dion

-Director of Sustainable Design at SMMA-

Martine Dion, AIA, LEED AP BD+C, is Principal and Director of Sustainable Design at SMMA with twenty-two years of experience. She is the sustainable expert within the firm, providing sustainable design and LEED consulting services to clients.

Iram Farooq

-Assistant City Manager/Community Development-

Iram Farooq creates integrated urban solutions connecting land use, urban design, and sustainability.

Phoebe Beierle

-Green Schools Fellowship Manager at U.S. Green Building Council-

Phoebe supports the Center for Green School’s mission by providing resources, tools, and research to a growing number of sustainability staff at school districts across the country. She oversees the Green Schools Fellowship and District Scholarship programs and hosts an annual educational and networking summit for district sustainability champions.

Jennifer Taranto

-Director of Sustainability, LEED AP, WELL AP at Structure Tone, LLC-

Jennifer brings more than eighteen years of experience in the commercial real estate and construction industry, and joined Structure Tone in 2001. Her previous roles included superintendent and project manager prior to becoming Structure Tone’s Director of Sustainability in 2008.

Shawn Hesse

 – Emersion Design, Architect –

Shawn leads the Cambridge office of emersionDESIGN and focuses on integrating sustainability into all of his design, planning, and policy work for clients. He has proudly designed and consulted Net Zero energy projects and LEED Platinum Certified buildings. Furthermore, Shawn has educated and trained hundreds in LEED with support from USGBC. He also serves on the national board of Architects/Designers/Planners for Social Responsibility.

Sandra Brock

 – Nitsch Engineering, Chief Engineer –

Sandy has over 28 years of experience in the civil engineering field. A registered Professional Engineer in Massachusetts, a LEED Accredited Professional, and a Certified Floodplain Manager, Sandy has developed an expertise in sustainable site design.  Her efforts for various private owners and state agencies in preparing site plans and reports have given her a strong background in land use planning to meet local zoning and planning regulations.

Jim Newman

 – Linnean Solutions, Founder –

Jim transforms complex environmental performance information into valuable tools for decision-makers. His experience includes over two decades of strategic planning and operational efficiency management with educational institutions and real estate firms. As Director of Strategy and Business Development at BuildingGreen, LLC – the ‘go-to’ green building resource for North America – Jim was a driver of green design into the standard practices of design and construction firms. He led the development of the BuildingGreen Suite, through funding from NYSERDA, and a research and writing project to create Green Guideline Specifications, funded by EPA. Jim also led the development of the recently launched LEEDuser information resource.

Carolyn Day

 – Ellenzweig, Architect –

Carolyn is an architect with Ellenzweig and prior to that worked at SMMA, where she was instrumental in leading sustainable design strategies and daylighting analysis with the firm. Carolyn has also worked with the Sustainable Leaders of New England, and often serves as a Studio Critic at the BAC and as Sustainable Design Advisor for Thesis Panels each year. A steward for education, Carolyn has presented at ABX and led training seminars for general contractors and trades regarding the incorporation of sustainable design initiatives during construction. Carolyn holds degrees in both mechanical engineering and architecture.

Neil Angus

– Environmental Planner, Devens Enterprise Commission –

Experience and background in land use planning, low impact development/green infrastructure, eco-industrial development, LEED for Neighborhood Development and high-performance sustainable building design.

Chris Liston

 – Senior Director of the Facilities Platform at CBRE –

He leads a team responsible for strategic oversight in areas that include facilities management, energy and sustainability, environmental health and safety, and training.In his former role as Program Manager for the CBRE Sustainability Programs Group, Chris planned and executed Leadership in Energy and Environmental Design for Existing Buildings (LEED EB) projects. Chris’s LEED EB project work includes One Boston Place (Finalist for BOMA International Earth Award, World’s First LEED EB O&M Gold Building), Bank of America Plaza (First LEED EB in North Carolina) and Collier Center (Recipient of BOMA International Earth Award, First LEED EB in Phoenix.)

Conor McGuire

– Experienced Director of Sustainability at the Columbia Construction Company –

with a demonstrated history of working in the construction industry. Skilled in Sustainable Development, Value Engineering, Renovation, Energy Efficiency, and Construction. Strong community and social services professional graduated from Northeastern University.

Tiffany King

 – Project Manager at Skanska USA –

She is LEED AP BD+C accredited. She has her Masters of Construction Management from Washington University, B.S. in Civil Engineering Field Of Study with a Minor in French

Mark Dunn

 – Mark is currently a Senior Architect at University of Massachusetts Amherst –

Marked served as the 2014-5 past Chair of West Branch of the USGBC Massachusetts Chapter.

Erik Ruoff

 – Current Principal at The Green Engineer, Inc. –
Erik Graduated form Bucknell University with a BA in Environmental studies and religion.

Nathan Gauthier

  – Shawmut Design and Construction, Director, FM Integration and Sustainability –

Nathan Gauthier is a sustainable real estate professional with global experience in program management and facility design, construction, and operations. As Director of FM Integration and Sustainability with Shawmut, Nathan works to improve the transition of construction projects into the facilities management infrastructure and support efficient and sustainable building operations. Prior to Shawmut, Nathan worked as Construction Manager for UNICEF Rwanda developing schools across the country.

 Greg Sampson

– Real Estate & Land Use Partner at Brown Rudnick LLP. –

Greg has had 18 years of experience in commercial real estate transactions, including significant experience in the planning, design, permitting of development and infrastructure projects. My practice includes representing clients on matters relating to acquisitions/dispositions and commercial financing, including construction loans, refinancing, workouts, and tax credit supported lending. I represent clients throughout the permitting and public approval process at the federal, state, and local levels on issues related to zoning and land use, wetlands and waterways, air and water quality, environmental policy acts, and sustainability mandates and incentives.

David Straus

 – Executive Director for the Association for Commuter Transportation –

With a career in Transportation Demand Management (TDM) that began in 1998, David brings a deep understanding of the issues and challenges facing TDM professionals and organizations as they look to advance progressive programs and policies that support the use of sustainable transportation options that improve the quality of life of commuters and the livability of communities.

Norman Lamonde

 – Sustainability Manager at Turner Construction –

Emily Greenstein

– Senior Vice President, Relationship Manager at Citizens Bank –

Brian Swett

– Director of Cities and Sustainable Real Estate, Arup. –

Experience in climate change and sustainability planning, real estate, government (City of Boston, U.S. EPA and U.S. Senate), environmental nonprofits, socially responsible investing, and strategy consulting.

Ludmilla Pavlova

– Senior Campus Planner at the University of Massachusetts Amherst –

Ludmilla is responsible for facilities and urban planning to support the comprehensive planning and design activities of the campus.