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Town Hall | Climate Mobilization – ACT NOW

July 22 @ 12:00 pm - 2:30 pm

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Reimagine the Future of New York City Buildings – A Local Law 97 Passive House Town Hall

NYPH invites you to reimagine the future of New York City buildings at a Passive House Town Hall. The event will include presentations and panel discussions featuring key policy-makers, designers, and developers, as well as interactive sessions addressing the urgency of Local Law 97. The Town Hall will explore Passive House as a strategy for reaching the landmark legislation’s efficiency mandates while making the city more equitable and affordable. It will serve as a call to action and provide a constructive path forward.


Welcome: 12PM – 12:15PM

  • Welcome: Gale Brewer – Manhattan Borough President
  • LL97 Policy: Carl Ian Graham – Deputy Director, Building Emissions at New York City Department of Buildings

Presentations: 12:15 PM – 1:00 PM

  • Affordable housing: Jennifer Leone – Chief Sustainability Officer, NYC Department of Housing Preservation & Development
  • Existing buildings retrofits: Alissa Bucher– Rogers Partners Architects+Urban Designers
  • Buildings designed to PH: Ryan Cassidy – Director of Sustainability & Construction, RiseBoro Community Partnership

Panel Discussion: 1:00 PM – 1:30 PM

  • Jennifer Leone, Alissa Bucher, Ryan Cassidy, Moderator: Stas Zakrzewski

Break Out Rooms – Town Hall Chat: 1:30PM – 2:00PM

  • Affordable housing with Jenn Leone – Moderator: Stas Zakrzewski
  • Existing Buildings retrofits with Alissa Bucher- Moderator: Carmel Pratt
  • Buildings designed to PH with Ryan Cassidy – Moderator: Tom Eisele

Open Networking: 2:00 PM – 2:30 PM


Carl Ian Graham is Deputy Director, Building Emissions at New York City Department of Buildings. Ian joined the DOB after 26 years in the private sector providing Sustainable Design consulting. He is a recognized leader in the energy efficiency and sustainable design industry with a detailed experience in sustainable design, energy modeling, energy audits, commissioning, environmental awareness, and regulatory development for energy codes and green buildings. Ian has also supported the industry at large by developing and delivering training seminars related to sustainable design, energy efficiency and energy code for organizations like Harvard Graduate School of Design, NYC Department of Buildings, NYSERDA, and Urban Green Council.

Jennifer Leone is Chief Sustainability Officer for New York City’s Department of Housing Preservation & Development (“HPD”) – the largest municipal housing finance agency in the country. Her work includes setting a holistic sustainability agenda and policy for the agency, ensuring that projects are low carbon, energy efficient and resilient while addressing the unique health and safety needs of the vulnerable populations HPD supports.

Alissa Bucher, AIA, is a partner at Rogers Partners Architects and Urban Designers.  She, joined Rogers Partners in 2000 (previously Rogers Marvel), where she has led cultural, institutional, and residential projects.  Notable projects with Rogers Partners include the Westchester Reform Temple in Scarsdale NY, The Stephen Gaynor School in New York, and the recently completed Spence Athletic and Wellness Facility on the Upper East Side.  Previous professional experience includes 9 years at I M Pei and Partners, where Alissa worked on building envelopes for the United States Holocaust Memorial Museum in Washington DC, and the Ronald Reagan Federal Office Building, also in Washington, which featured an early example of a panelized limestone pressure-equalized rainscreen façade.  Alissa has served as a professor and juror at Columbia University, Cornell University, The Pratt Institute, City University of New York, and Georgia Institute of Technology. Alissa holds a Bachelor of Architecture from Cornell University’s College of Architecture, Art, and Planning.

Ryan Cassidy is the Director of Sustainability & Construction for RiseBoro Community Partnership, where he manages the design and construction of a robust affordable housing pipeline. Ryan has developed and monitored the construction of over 100 buildings. His experience ranges from two-family home ownership programs to large multi-family complexes with retail and community facility components. He supervised the construction of the first multi-family affordable Passive Houses in NYC and is currently renovating existing buildings to the Passive House standard. Ryan is a PHIUS Certified Passive House Consultant.


  • Joann Gonchar, Board Member
  • Carmel Pratt, Board Member
  • Andreas M Benzing, Executive Director

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