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Institute for Market Transformation

Promoting energy efficiency in buildings
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  • Cliff Majersik Executive Director

    Cliff directs IMT’s research on building performance policy, energy codes, energy efficiency finance, and green leasing. He leads IMT’s outreach to multiple stakeholder groups, including financial services, utilities, and real estate.

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    Cliff Majersik
  • Christine Cahn Chief Financial and Administrative Officer

    Christine Cahn joined IMT in 2012, bringing ample experience in analytics and operations.

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    Christine Cahn
  • Lotte Schlegel Managing Director

    As IMT's Managing Director, Lotte guides the organization's growth, leads the implementation of its multi-year strategic plan, and oversees internal operating systems and processes.

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    Lotte Schlegel
  • Jayson Antonoff Technical Director, Building Energy Performance Policy

    Jayson Antonoff oversees the development of technical resources and assists cities in implementing innovative and practical solutions to cut energy waste in buildings and reduce greenhosue gas emissions.

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    Jayson Antonoff
  • Jonathan Bauer Program Associate, Market Engagement

    Jonathan is a program associate with IMT's Market Engagement team. He promotes energy efficiency best practices to the private sector and works with several stakeholder groups including lenders, retailers, and multifamily building owners.

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    Jonathan Bauer
  • Erin Beddingfield Manager, Data Strategy and Application

    Erin Beddingfield is the Manager of Data Strategy and Application at IMT, and oversees service delivery on key projects involving data analytics and related policy issues, and contributes to defining IMT’s priorities and approaches to data-related projects.

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    Erin Beddingfield
  • Mark Bryan Corporate Relations Manager

    Mark Bryan manages IMT’s Corporate Relations Program, building impactful strategic partnerships to further IMT’s mission and add value to our private sector partners’ business objectives relating to energy efficiency in buildings.


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    Mark Bryan
  • Alissa Burger Senior Program Associate

    Alissa is a senior associate working within the Building Energy Performance Policy Program to advance the role of energy data in shaping current and next generation energy efficiency policies and practices. 

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    Alissa Burger
  • Ufei Chan Benchmarking Manager, New York City Department of Buildings

    As a Benchmarking Manager for the PlaNYC Greener, Greater Buildings Plan (GGBP), Ufei Chan is an IMT employee working full-time with the New York City government.

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    Ufei Chan
  • Mark Chao Senior Advisor

    Mark is the founding staff member of IMT. Having served continuously in various capacities since 1996, he now works as senior advisor, providing technical and strategic support to IMT’s senior management and program staff.

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    Mark Chao
  • Andrew Feierman Senior Program Associate, Commercial Real Estate Engagement

    Andrew works in IMT’s commercial real estate and commercial finance divisions.

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    Andrew Feierman
  • Ryan Freed Manager of Operations, City Energy Project

    Ryan is the Manager of Operations for City Energy Project, a joint initiative of IMT and the Natural Resources Defense Council.


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    Ryan Freed
  • Alexandra Harry Senior Associate

    As a senior associate with IMT, Alexandra Harry works on the Commercial Real Estate Engagement team and closely with the Financial team. 

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    Alexandra Harry
  • Zachary Hart Senior Program Associate

    Zachary supports the efforts of City Energy Project cities as they work to adopt and implement policies and programs to reduce energy waste from their building stock. He is responsible for supplying CEP cities with resources, tools, and technical assistance.

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    Zachary Hart
  • Megan Houston Senior Program Associate

    Megan Houston is the Senior Program Associate for Multifamily Finance and DC Sustainable Energy Utility (DCSEU) projects.

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    Megan Houston
  • Julie Hughes Director, Building Energy Performance Policy

    Julie maintains IMT’s position at the forefront of market-based solutions to today’s climate and energy challenges, and manages IMT’s public policy and regulatory work to improve the energy efficiency of America’s buildings.

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    Julie Hughes
  • Hae-Young Kang Accountant

    Hae-Young joined the IMT staff in 2014 as a part time accountant, and became a full time accountant handling bookkeeping and accounting for IMT in 2015. She assists the CFO with updating and maintaining personnel and financial records and transactions within the IMT accounting department.

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    Hae-Young Kang
  • Caroline Keicher Associate Director, Building Energy Performance Policy

    Caroline leads IMT’s outreach and advocacy activities related to the development of legislative and regulatory policy for building energy performance. She provides policy support and technical guidance to policymakers and government agencies, as well as outreach to stakeholders in the the real estate, utility, and energy services sectors.

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    Caroline Keicher
  • Leonard Kolstad Senior Program Associate

    Lenny researches energy efficiency financing and supports IMT's work to integrate efficiency into commercial real estate appraisals.

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    Leonard Kolstad
  • Betsy Law Foundation and Government Relations Manager

    Betsy Law works closely with IMT's program teams during the propoal, award, and project implementation phases for funders.

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    Betsy Law
  • Ryan Meres Senior Code Compliance Specialist

    Ryan works with the Global Buildings Performance Network to investigate best practices in energy code compliance in new and existing buildings.

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    Ryan Meres
  • Chris Potter Senior Communications Associate

    Chris works across all of IMT’s core programs and leads strategic communications efforts for the market engagement team.

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    Chris Potter
  • Robert Sahadi Director, Energy Efficiency Finance Policy

    Bob leads IMT's work to develop and expand energy efficiency financing solutions for homes and commercial buildings. This includes legislative initiatives such as the SAVE Act, a proposal co-developed by IMT to factor energy cost savings into residential underwriting standards and home appraisal practices.

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    Robert Sahadi
  • Matthew Scallet Senior Communications Fellow

    Matt works on communications efforts across IMT and leads strategic communications efforts for the building performance policy team.

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    Matthew Scallet
  • Adam Sledd Director, Market Engagement

    Adam works to engage public- and private-sector stakeholders in energy efficiency strategies, including developing nationally recognized standards for green leasing practices.

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    Adam Sledd
  • Katie Weeks Director of Communications

    Katie Weeks is IMT’s Director of Communications. As such, she leads the organization’s communications efforts, overseeing strategy, messaging, and branding across IMT’s core programs. She also coordinates communications programs with IMT’s key partners and joint initiatives, such as the City Energy Project, a collaboration of IMT and the Natural Resources Defense Council.

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    Katie Weeks
  • Chuck Wilson Acting Director, External Relations

    As Acting Director, External Relations, Chuck leads the work of IMT’s development and communications teams.

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    Chuck Wilson
  • Amberli Young Senior Program Associate

    Amberli is a senior program associate working with IMT's Building Energy Performance Policy program.

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    Amberli Young