Chief Executive Officer
Current
Dec 2023 - Present
AeroLeads people directory · profile
Stephen Hammer Email & Phone Number
CEO, New York Climate Exchange
at
The New York Climate Exchange
1 work email found
@worldbankgroup.org
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
CEO, New York Climate Exchange
Location
New York, New York, United States
Who is Stephen Hammer? Overview
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Quick answer
Stephen Hammer is listed as CEO, New York Climate Exchange at The New York Climate Exchange, based in New York, New York, United States. AeroLeads shows a work email signal at worldbankgroup.org and a matched LinkedIn profile for Stephen Hammer.
Stephen Hammer previously worked as Chief Executive Officer at The New York Climate Exchange and Advisor, Climate Policy and Strategy at World Bank Group. Stephen Hammer holds Phd, Urban Planning from The London School Of Economics And Political Science (Lse).
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{first_initial}{last}@worldbankgroup.org
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Profile bio
About Stephen Hammer
Stephen Hammer has more than 30 years of experience working on climate change and sustainability issues at the global, national, and local levels. Dr. Hammer now serves as the founding CEO at the New York Climate Exchange. Part think-tank, part do-tank, part research institution, part climate tech incubator, and part academic institution, the Exchange brings together public, private, academic, and community partners to explore, implement, and scale transformative initiatives on climate change.He previously served as a senior policy advisor at the World Bank, providing strategic counsel to Bank leadership on global climate policy matters, leading on major global climate partnerships (including with the UNFCCC, UNSG, G7 and G20) and regularly represented the Bank in international fora. Most recently, he advised the UNFCCC's Transitional Committee charged with setting up the new global fund on Loss and Damage that is now being fully operationalized following formal approval at COP28.Prior to joining the World Bank, Dr. Hammer was a full-time Lecturer at MIT and Columbia University, where his research and classes focused on energy policy and planning. At Columbia he also Directed the Urban Energy Program based at the School of International and Public Affair's energy research center.In addition to his teaching, Dr. Hammer regularly consulted with governmental and non-governmental organizations, including, the OECD, Lawrence Berkeley National Laboratory, McKinsey, China's Energy Smart Cities initiative, the US National Park Service, and the Presidential Commission on Environmental Quality.Dr. Hammer co-founded and co-directed the Urban Climate Change Research Network (UCCRN), an international consortium of researchers interested in climate change from an urban perspective. He was also a member of the Energy Policy Task Force advising then-Mayor Michael Bloomberg on matters germane to PlaNYC, New York City's long-term growth and sustainability initiative.
Listed skills include Sustainability, Climate Change, Energy Policy, Public Policy, and 21 others.
Current workplace
Stephen Hammer's current company
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8 roles · 35 years
Stephen Hammer work experience
A career timeline built from the work history available for this profile.
Advisor, Climate Policy And Strategy
World Bank Group
Serve as World Bank’s primary external voice on climate policy and finance issues. Lead engagement with global policy community and advise senior management on climate-related issues related to the G7/G20/UN Secretary General’s team, the UNFCCC, and other select global policy-making bodies. Lead WB engagement in global climate events, negotiations, and.
May 2018 - Dec 2023
Manager, Climate Policy/Analytics And Advisory Services
World Bank Group
- Led 30 person interdisciplinary team of economists, scientists, and technical experts responsible for shaping the Bank's global perspective on climate change policy, mainstreaming climate change considerations into.
- developed new climate lending targets and led mainstreaming efforts across the WBG that delivered massive increase in climate finance levels (jumped from $8.5b in FY16 to $15.7b in FY18, beating our targets 2 years.
- launched new NDC implementation support strategy and financing facility (raised $24m) providing support to 22 governments
- developed new health and climate change system diagnostic and technical resource materials focused on building climate change capacity of national health ministries
- launch and rollout of CAPE (Climate Action Peer Exchange) building climate change knowledge and capacity of national finance ministry staff
- oversaw delivery of Groundswell (2018) flagship report on internal climate-induced migration in South Asia, South and Central America, and Sub-Saharan Africa. Team also delivered Unbreakable (2016) and Shockwaves.
May 2015 - Apr 2018
Lead Urban Specialist -- Cities And Climate Change
World Bank Group
Global Lead for the World Bank's work on cities and climate change. Responsible for conceptualization and negotiation of new $10+m Global Platform on Sustainable Cities. Led global engagement in runup to 2014 UN Climate Action summit that resulted in launch of Cities Climate Finance Leadership Alliance (CCFLA). Led the development of new analytic tools and.
Feb 2013 - May 2015
Lecturer In Energy Planning
Taught courses on energy policy and planning; supervised thesis and PhD research. Conducted research on urban energy markets, technology, and policy. Faculty advisor to student teams that won US Department of Energy's national Better Buildings Challenge in 2012 and 2013.
Jul 2011 - Jan 2013
President
Mesacosa Llc
- Boutique consulting practice on urban sustainability, clean technology, and environmental management. Clients have included a wide range of private companies, government agencies, and non-governmental organizations.
- Collaborated with McKinsey on development of new economic model forecasting the economic impacts of alternative green design and technology interventions in neighborhood scale planning and development efforts.
- Developed low carbon city planning tool for use in Chinese cities (with Lawrence Berkeley National Laboratory)
- Developed "Tool for Rapid Assessment of City Energy" (TRACE) decision support tool for local energy planners. Participated in energy efficiency assessment of DaNang, Vietnam (World Bank projects)
- Led technical work supporting development of OECD urban green growth strategy and assessment of green growth opportunities in Chicago.
1991 - Jan 2013
Consultant/Founding Executive Director
Energy Smart Cities Initiative
The Energy Smart Cities Initiative provided training and technical assistance services to local governments around China on energy and climate issues. Between 2009-2010, more than 210 mayors participated in training sessions lasting from 1 to 9 days.
Jan 2010 - Dec 2010
Director, Urban Energy Program, Center For Energy, Marine Transportation And Public Policy
Columbia University
Founder of one of the first university-based research programs focused on energy policy, technology, markets, and regulation viewed from a CITY-scale perspective. Research projects included studies looking at the viability of distributed energy technologies in New York City, the regulatory context from CHP and microgrids in New York, in addition to studies.
Jan 2007 - Dec 2009
3 education records
Stephen Hammer education
Phd, Urban Planning
The London School Of Economics And Political Science (Lse)
Mpp, Economic Development/Environmental Policy
Harvard Kennedy School
Bs, Environmental Policy Analysis & Planning
University Of California, Davis
FAQ
Frequently asked questions about Stephen Hammer
Quick answers generated from the profile data available on this page.
What company does Stephen Hammer work for?
Stephen Hammer works for The New York Climate Exchange.
What is Stephen Hammer's role at The New York Climate Exchange?
Stephen Hammer is listed as CEO, New York Climate Exchange at The New York Climate Exchange.
What is Stephen Hammer's email address?
AeroLeads has found 1 work email signal at @worldbankgroup.org for Stephen Hammer at The New York Climate Exchange.
Where is Stephen Hammer based?
Stephen Hammer is based in New York, New York, United States while working with The New York Climate Exchange.
What companies has Stephen Hammer worked for?
Stephen Hammer has worked for The New York Climate Exchange, World Bank Group, Mit, Mesacosa Llc, and Energy Smart Cities Initiative.
How can I contact Stephen Hammer?
You can use AeroLeads to view verified contact signals for Stephen Hammer at The New York Climate Exchange, including work email, phone, and LinkedIn data when available.
What schools did Stephen Hammer attend?
Stephen Hammer holds Phd, Urban Planning from The London School Of Economics And Political Science (Lse).
What skills is Stephen Hammer known for?
Stephen Hammer is listed with skills including Sustainability, Climate Change, Energy Policy, Public Policy, Energy Efficiency, Sustainable Development, Urban Planning, and Policy.
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