Meet the team

Hosted by UN Environment, the secretariat supports the District Energy in Cities Initiative by:

  • Connecting partners with opportunities
  • Undertaking advocacy and communications work around district energy
  • Organizing meetings, study tours, workshops and trainings
  • Advising on technical aspects of sustainable heating and cooling projects as well as assessments, etc.

The Secretariat is located in Paris, France and has on the ground representation in China, Chile, Serbia, Thailand, Denmark, India and Panama.


Lily Riahi

Programme Manager and Global Lead

Zhoulun Chen

Technical Expert, District Cooling, Copenhagen Centre on Energy Efficiency

Romanas Savickas

Technical Expert, District Heating, Copenhagen Centre on Energy Efficiency

Celia Martinez

Regional Technical Advisor, Latin America and Africa, UN Environment

Sonja Malicevic

Regional Technical Advisor, UN Environment

Susana Paardekooper

Technical Expert, Planning and Policy, UNEP-DTU Partnership

Lipeng Zhang

Technical Expert, District Heating Project Design, UN Environment

Sarah Harper

Outreach Consultant, UN Environment

Secretariat – National Project Coordination

Pilar Lapuente Fuentes

National Technical Advisor, Chile

Benjamin Hickman

National Technical Advisor, India Country Office, UN Environment

Rong Rong

National Technical Advisor, China Country Office

Aleksandra Siljic Tomic

National Technical Advisor, Europe Office

Regional Engagement

Jose Dallo

Head Southern Cone Office

Gustavo Mañez Gomis

Regional Climate Change Coordinator, Latin America and the Caribbean Office

Sudhir Budhathoki Sharma

Senior Climate Change Advisor, Asia and the Pacific Office

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