Callahan Seltzer

Callahan Seltzer leads complex real estate finance initiatives and community development initiatives.

 

She has over 14 years of experience implementing affordable housing initiatives and projects. Prior to joining HR&A, Callahan worked as the National Director of Housing with the Local Initiatives Support Corporation (LISC). During that time, she was responsible for developing and executing LISC’s affordable housing production and preservation strategies across 36 cities and rural network.

Natasha Walfall

Natasha provides support in coordinating processes and managing workflows in the Broadband and Digital Equity practice.

 

Prior to joining HR&A, Natasha worked as the Logistics and Operations Coordinator for a New York City based interior design firm where she assisted in managing project calendars, project flow, and oversaw internal vendor communications. She has also worked for a Brooklyn based jewelry company where she managed their custom projects throughout their production process.

Natasha holds a Bachelor of Science in International Relations from Florida State University.

Peter Brewton

Peter Brewton advises public and private sector clients on affordable housing strategies, program design, and transaction underwriting and execution.

Peter brings over ten years of diverse community development and affordable housing experience to HR&A, with a focus on community development lending and investment. Prior to joining HR&A, he most recently served as Lead Underwriter, Texas for the Local Initiatives Support Corporation (LISC) where he originated and underwrote community development loans in Houston and San Antonio and provided capacity building support to non-profit affordable housing developers in Houston. Peter holds a Master’s in Public Policy and Management from Carnegie Mellon’s Heinz College and a B.A. from the University of Virginia. He lives in Houston, TX.

Chae Kim

Chae draws on her experience in community development, urban planning, and public policy to promote equity and resilience in cities.

 

Prior to joining HR&A, Chae was a Fellow with the Kresge Foundation’s American Cities Program based in Detroit, where she led citywide grants initiatives and multi-city collaborations to scale community development innovations. Prior to Kresge, Chae worked as a consultant in Deloitte’s Government and Public Services group based in Washington D.C. where she served clients spanning federal agencies, nonprofits, social enterprises and international organizations. She contributed to organizational digital transformations as well as the implementation of the Affirmatively Furthering Fair Housing (AFFH) Rule, helping jurisdictions undo patterns of segregation and foster inclusive communities as part of the Fair Housing Act. Beyond US domestic work, Chae was a graduate intern at the United Nations Office of the Secretary-General, where she worked with UN leadership teams on strategic planning and policy research.

Chae has also written about housing policy. She co-authored a report analyzing housing production across the country with the Terner Center for Housing Innovation. For the Greenlining  Institute, she co-authored a policy brief highlighting inequitable home lending practices across California.

Chae has a Master of City Planning from the University of California, Berkeley and a  Bachelor of Science in International Business and Marketing from Georgetown University.

Prince Osemwengie

Prince is passionate about equitable development and justice. He is an experienced economic development policy researcher and advocate; he has provided research and policy analysis support initiatives ranging from economic development and public banking to strengthening commercial tenant protections.

 

Prior to joining HR&A, Prince worked as a Senior Policy Associate at a Los Angeles-based community development financial institution, Inclusive Action for the City (IAC). At IAC, he specialized in coalition management and stakeholder outreach; he also advised local and federal elected officials on strategic economic development initiatives and policies to curb small business displacement and expand access to non-extractive capital to consumers and commercial borrowers.

Prince holds a Bachelor of Science in Architecture from the University of Cincinnati and a Master of Urban and Regional Planning from the University of California, Los Angeles (UCLA).

Sharon Carney

Sharon has focused her career on advancing socioeconomic mobility by creating vibrant cities. With experience spanning local government, research and advocacy, she specializes in developing strategies that blend data-backed approaches with real-world pragmatism to achieve concrete results.

 

Prior to HR&A, Sharon served eight years in economic development leadership roles in the District of Columbia Mayor’s Office. As chief of staff of the agency responsible for growing and diversifying tax base, supporting businesses and increasing affordable housing in Washington, DC, Sharon oversaw budgeting, business operations, legislative and program functions and led pivotal interagency initiatives, including Mayor Muriel Bowser’s post-pandemic economic development and downtown transformation strategy, the Housing in Downtown program, the District’s first upward mobility action plan, and deployment of a half billion dollars of grants to local businesses and affordable housing providers.

 

Before public service, Sharon spent a decade in the nonprofit sector, including at the Urban Institute, where she served as chief of staff, and the Michigan Suburbs Alliance, where she facilitated regional cooperation around shared urban challenges in metro Detroit.

 

She holds a masters in public policy from New York University and a bachelors from University of Michigan.

Amelia Marcantonio-Fields

Amelia’s research and analytical skills, coupled with her passion for cities, support HR&A’s mission to make more vibrant, sustainable, and equitable communities.

 

As an Analyst based in HR&A’s New York City office, Amelia’s work focuses on community and economic development projects that leverage both public and private support. Amelia’s prior work has also centered around advanced quantitative and qualitative analyses of the built environment. As a Product Trainer and Product Development Consultant for Social Explorer, a leading cloud-based demographic insights tool, Amelia conducted training for clients and advised on the platform’s growth opportunities. Before joining Social Explorer, Amelia served as the Post-Baccalaureate Fellow for the Barnard College Empirical Reasoning Center where she conducted an empirical suitability analysis recommending equitable distribution of small plazas across New York City in the wake of the COVID-19 pandemic.

Amelia holds a Master of City and Regional Planning from The University of Pennsylvania Stuart Weitzman School of Design where she specialized in Land Use and Environmental Planning and Urban Redevelopment techniques. Amelia also holds a Bachelor of Arts in Urban Studies with Honors from the Barnard College of Columbia University.

Kelly Pang

Kelly is invested in community-grounded and data-driven approaches that build more equitable, just cities. She works on projects ranging from affordable housing and equitable economic development to cultural placemaking.

 

Based in HR&A’s New York office, Kelly provides research, data analysis, and narrative building to inform urban policy and planning recommendations for public and non-profit sector clients. Prior to HR&A, Kelly was an analyst in the Strategic Transactions Group at Barclays, where she focused on structured financing and trading transactions. Additionally, she researched urban digital equity initiatives to support local advocacy efforts in Baltimore at the 21st Century Cities Initiative at Johns Hopkins University.

Kelly holds a Bachelor of Arts in International Studies with a concentration in Economics from Johns Hopkins University, where she wrote a thesis examining the state-sponsored project to expand financial inclusion through digital financial services in China.

Isabel Saffon

Isabel Saffon is a civic strategist specializing in spatial justice and reparative planning.With a background in community planning, urban design, public policy, and architecture, her recent work focuses on demystifying complex issues to enhance government trust and open decision-making.

 

Prior to joining HR&A, Isabel played a key role at the New York City Housing Authority (NYCHA), bridging trust gaps through user research, innovative culture change, and impact-focused metrics. At the Center for Justice Innovation, she led participatory design for the Mayor’s Action Plan (MAP), reimagining public safety through community well-being, art, and culture. Before focusing on public housing, as a consultant at Karp Strategies, she designed, managed, and implemented community engagement strategies for projects in coastal resiliency, flood protection, library innovation, and digital equity. Isabel also served as an architect at WXY and Taller Arquitectura de Bogotá, adding valuable architectural expertise to the way she approaches her work with the built environment.

Isabel holds an MS in Design and Urban Ecologies from Parsons The New School for Design and a Magna Cum Laude Professional Degree in Architecture from Universidad de Los Andes (Bogota, Col.). She is a Fellow at the Urban Design Forum and Design for Public Spaces.

Nancy Frayre

Nancy is oversees administrative tasks, manages office supplies, coordinates schedules, and handles day-to-day operations in our Los Angeles Office.

 

Nancy plays a vital role in maintaining a functional and efficient workplace by handling various administrative, operational, and managerial tasks. Her knack for juggling multiple responsibilities is unparalleled. Her versatility allows them to address various needs, from organizing meetings to implementing efficient office procedures, ultimately contributing to the overall productivity and success of the office.