Role: Core Staff | Global Designing Cities Initiative

Skye Duncan

Title: Executive Director

Skye Duncan operationalized GDCI in 2014, a multi-year program that developed a Global Street Design Guide and work with cities on the street and public space design around the world.

Brianna Williams is GDCI’s Director of Finance & Operations. Having over fifteen years of experience, she keeps GDCI running smoothly, with solid financial oversight, so the team can efficiently focus on transforming streets around the world.

Fabrizio Prati

Title: Director of Design

Fabrizio joined GDCI in 2015 and is the Director of Design. He leads the Latin America projects and activities under Bloomberg’s Initiative for Global Road Safety (BIGRS) program.

Paul Supawanich

Title: Director of Programs

Paul Supawanich is the Director of Programs, helping oversee the organization’s efforts to promote safe, equitable, and sustainable public space and street designs around the world. He brings more than a decade of experience working with cities and transit agencies across North America, Europe, the Middle East, and Australia/New Zealand to improve transportation outcomes around livability, jobs access, and safety.

Abhimanyu Prakash

Title: Senior Program Manager

Abhimanyu Prakash joined GDCI in early 2015 as a Senior Program Manager to develop a Global Street Design Guide and works with cities on street and public space design around the world through Bloomberg’s Initiative for Global Road Safety(BIGRS).

Anna Siprikova

Title: Senior Program Manager

Anna joined GDCI in 2018 to work on the Streets for Kids program, creating a supplement to the Global Street Design Guide. She is an urban planner and specializes in public space design, management, placemaking, and civic engagement. Anna has a passion for working with people in communities to create the public spaces they love.

Eduardo Pompeo Martins

Title: Senior Program Manager

Eduardo joined GDCI as a program manager in 2017 as part of Bloomberg’s Initiative for Global Road Safety, he provides technical assistance to the City of Fortaleza in applying the design principles from the Global Street Design Guide.

Iván de la Lanza

Title: Senior Program Manager / Americas Regional Lead

Iván is a Senior Program Manager and Regional Lead for Latin America, working with cities to provide leadership and direction to the country work within the Americas, as part of the Bloomberg Initiative for Global Road Safety (BIGRS) program, as well as offer guidance and oversight to other GDCI programs.

Ed Lancaster

Title: Senior Program Manager

Ed Lancaster joined GDCI as Senior Program Manager in 2022. He will take the lead on a new multi-year, grant-funded program focusing on cycling infrastructure, which will be launched in the upcoming fall.

Uditi Agarwal

Title: Program Manager, India

Uditi is an Architect and Urbanist, with eight years of urban development experience in India across policy, planning, and design. She specializes in public space upgradation, inclusive urban revitalization, and streetscape design—all from the lens of climate change, culture, and accessibility.

Eduarda Aun

Title: Program Manager

Eduarda Aun joined GDCI as a Program Associate in 2019. She will be working on an upcoming Safe Speeds publication and working with different cities across BIGRS initiatives.

Francisca Benitez

Title: Program Manager

Francisca joined GDCI in 2021 and is a Program Associate to contribute across multiple programs, including Streets for Kids (SfK), Early Childhood Development (ECD), and the Bloomberg Initiative for Global Road Safety (BIGRS).

Najwa Doughman

Title: Program Manager

Najwa joined GDCI in 2019 as a Program Manager. She primarily manages the Bloomberg Initiative for Global Road Safety (BIGRS) efforts in Quito and Guayaquil, Ecuador.

Hayrettin Günç

Title: Program Manager

As an architect and urban designer from Istanbul, Hayrettin joined GDCI as a program manager in 2019. He received a Master of Architecture in Urban Design from the Harvard Graduate School of Design and has since been working towards the intersection of urban design, placemaking, and data visualization.

Jashwanth Tej Kasala

Title: Program Manager, India

Jashwanth Tej Kasala joined GDCI as the India Program Manager in 2022, and is based out of Mumbai.

Fernando De La Torre

Title: Local Liaison, Ecuador

Fernando De La Torre joins GDCI as a Local Liaison in Ecuador to support the Bloomberg Initiative for Global Road Safety (BIGRS) efforts in the cities of Quito and Guayaquil.

Beatriz Rodrigues

Title: Local Liaison, Brazil

Beatriz Rodrigues joined GDCI in 2022 as Brazil Local Liaison.

Carlos Urrego

Title: Local Liaison, Colombia

Carlos Urrego joined GDCI in 2022 as Local Liaison in Colombia. With a strong background in urban design, active mobility, and public space, he is passionate about seeking ways to improve quality of life in cities by exploring innovative solutions for everyday urban challenges.

Hila Bar Ner

Title: Program Associate

Hila Bar Ner joined GDCI in 2022 as a Program Associate to work with the Streets for Kids (SfK) Leadership Accelerator.

Solomon Green-Eames

Title: Program Associate

Solomon is an urban planner and designer passionate about realizing the potentials of streets to bring positive transformative change to cities and society. From the United Kingdom originally, Solomon received his Masters in Urban Planning from Harvard Graduate School of Design and has previously worked as a transportation planner in the UK and San Francisco.

Vivi Tiezzi

Title: Program Associate

Vivi joined GDCI in 2022 as a Program Associate to support the Bloomberg Initiative for Global Road Safety (BIGRS) efforts in Latin America.

Daniela Cantillo

Title: Communications Strategist

Daniela Cantillo is GDCI’s Communications Strategist. Her main focus is to create brand awareness about GDCI’s global programs and initiatives.

Christie Klima

Title: Administrative Coordinator

Christie joined GDCI as an Administrative Coordinator in 2022, providing cross-cutting administrative and project support to the GDCI team.