Board Members

Board Members


ALIYE P. CELIK, Chair, CSU Board

JAMES MCCULLAR, Vice-President












Lance Jay Brown, President & Founding Board Member

Lance Jay Brown, FAIA, DPACSA, architect, urban designer, educator, author. His 2014 American Institute of Architects NY Chapter Presidential theme: Civic Vision, Civic Spirit expressed his lifelong commitment to civic health and the importance of the public realm. He is ACSA Distinguished Professor , Bernard and Anne Spitzer School of Architecture, CCNY, CUNY, served as assistant director at the Design Arts Program at the NEA, as advisor to the World Trade Center Site 9/11 International Memorial Design Competition and Boston's 9/11 memorial Competition. Awards include: AIA New York State President’s Award for Excellence in Non‐traditional Architecture and the most prestigious AIA/ACSA Topaz Medallion for Excellence in Architectural Education. He is Founding Co‐Chair of the AIANY Design for Risk and Reconstruction Committee. As a Founding Board member of the Consortium for Sustainable Urbanization, he helped plan and participated in Habitat III in Quito. He holds an M.Arch and M.Arch in Urban Design from Harvard and was a Fulbright Fellow in Paris. Publications include: Beyond Zuccotti Park: Freedom of Assembly and the Occupation of Public Space, The Legacy Project: New Housing New York: Best Practices in Affordable, Sustainable, Replicable Housing Design, and the co-authored Urban Design for an Urban Century: Shaping More Livable Equitable, and Resilient Cities.


Aliye P. Celik, Chair, CSU Board & Founding Board Member

Aliye Pekin Celik, PhD, is immediate past President of the Consortium for Sustainable Urbanization (CSU). Prior to founding the CSU, Ms. Celik was instrumental in establishing innovative participatory mechanisms to build alliances addressing some of the world’s most pressing concerns in developing countries as the Chief of Economic, Social and Inter-organizational Cooperation Branch, UNDESA. She started the book series on the High Level Segment of Economic and Social Council, and worked on the Ad Hoc Advisory Group on Countries Emerging from Conflicts. As the Head of New York office of UN-HABITAT, she directed preparations for the HABITAT II Conference in Istanbul, Turkey in 1996. She served UN-HABITAT Nairobi and New York, working on building technologies, sustainable urbanization, energy, and gender issues. As a principal researcher in the Scientific and Technical Research Council of Turkey, Building Research Institute, and the Ministry of Construction and Resettlement and adviser to the State Planning Department, she worked on energy conservation and affordable housing. She has degrees in architecture from Middle East Technical University, Princeton University, and a PhD from Istanbul Technical University. Celik was a Fulbright Scholar and received numerous awards from OECD (1972), Princeton University (1979), AIANY (2009, 1997, 1970), and Soroptimist International NYC (2005), where she served as President from 2008 to 2010.


James McCullar, Vice-President & Founding Board Member

James McCullar, FAIA, has served as President and Vice President of the CSU. He is the founding principal of James McCullar Architecture. Since its formation, the studio has engaged in the design of new housing and adaptive reuse of urban sites that have contributed to the revitalization of their communities. As 2008 President of AIA New York, he organized the response to Mayor Bloomberg’s PlaNYC2030 in collaboration with UN GAID for the first UN Forum on Sustainable Urbanization in the Information Age, which led to formation of the Consortium for Sustainable Urbanization. From 2003 to 2006 in response to the Mayor’s housing initiatives, he led a forum that showcased housing design at the Center for Architecture. His work has been recognized through election to the AIA College of Fellows for significant contributions to urban housing and community design, the Andrew J. Thomas Pioneer in Housing Award, and a national AIA Honor Award for Urban Design. He has taught at Kansas State University and the New Jersey Institute of Technology, and serves on the Board of Trustees of the Ecole des Beaux Arts in Fontainebleau, France. He received a BA and BArch from Rice University, a Fulbright Fellowship for Urban Design in Paris, and a MArch from Columbia University where his thesis was on the New York region.


Urs P. Gauchat, Founding Board Member

Urs P. Gauchat, Hon. AIA, is Dean Emeritus of the College of Architecture and Design (1991-2016) and Professor of Architecture at New Jersey Institute of Technology. As Dean, Professor Gauchat transformed the school into an internationally recognized leader in two areas: Digital Media in Design and the Design of Communities. Prof. Gauchat is committed to linking the considerable resources of universities to the needs of communities worldwide. His prior appointments included: Professorship at Harvard Graduate School of Design (1971-1985), Visiting Professor ETH Zurich, president of the Boston Architectural Center (1972-1976) and president of Gauchat Architects (1973-1998). He has served as a consultant to private and private sectors focusing on planning and design issues. Professor Gauchat holds degrees from the University of Sydney (B.Arch.) and Harvard University (M.Arch.). He has been a Board member of numerous organizations and nonprofit entities. Prof. Gauchat sees his role primarily as an agent of change and an instigator. He believes that inspired planning and design plays a critical role in shaping communities and allocating resources; and strategies for successful sustainable urbanization must be flexible, able to change and adapt to evolving contexts. Good Design can make the difference between spending money and spending money wisely; it is a prerequisite to a better future.


Rick Bell

Fredric (Rick) Bell is Executive Director of Design and Construction Excellence at the New York City Department of Design and Construction. His responsibilities at DDC include strategic planning on key policy issues, oversight of public building and civic infrastructure projects, and development of design guiding principles, typological handbooks and standards. Rick previously served as Executive Director of the New York Chapter of the American Institute of Architects, where he helped establish and animate the Center for Architecture on LaGuardia Place. At AIANY from 2001 to 2015, he fostered interdisciplinary dialogue, hosting exhibitions and programs on topics ranging from active design and affordable housing to sustainable urbanization and transit-oriented development. Rick also was a design partner at Warner Burns Toan Lunde Architects, leading the educational facilities studio, working on libraries, public schools and university structures throughout the United States. He has also worked in France and Switzerland. A graduate of Yale College and Columbia's Graduate School of Architecture, Planning and Preservation, he was elevated to AIA Fellowship in 2000. Rick is the 2014 recipient of the AIA's Edward C. Kemper Award and has received the designation of Chevalier dans l'Ordre des Arts et des Lettres from the French Ministry of Culture.


Gernot Riether

Gernot Riether is the Director of the School of Architecture and Associate Professor at the College of Architecture and Design at the New Jersey Institute of Technology (NJIT). He serves on the Board of Directors at ACADIA, Association for Computer Aided Design in Architecture. Riether previously taught at Kennesaw State University, Ball State University, ENSA Paris La Villette, Georgia Tech, NYIT and Barnard College at Columbia University and is lecturing internationally. In his research he and his students are testing new novel computer controlled fabrication and manufacturing methods. Projects from his Digital Design Build Studio won architecture competitions, were presented at international venues such as the Centre Pompidou in Paris, were featured in books on digital design and fabrication and were published in prominent publications such as Architectural Record and DETAIL. Riether’s research studio has been funded by the AIA, the Austrian government, non-profit organizations such as MainX24, material fabricators, the construction industry and universities. His forthcoming book, Urban Machines, co-authored with Associate Professor Marcella Del Signore, explores the relationship between public urban spaces and information technology. Riether received a DI from the University of Innsbruck, Austria and a MS from Columbia University.


Christine Schlendorf

Christine Schlendorf, AIA, is a principal and member of the board of Directors at Perkins Eastman. She is the Principal in charge of the Primary and Education practice for the New York office. For more than 20 years, Christine has created beautiful and innovative educational spaces that shape the way students identify, absorb, and retain knowledge. Prioritizing the needs of students, teachers, and administrators is central to her approach. Striving to incorporate the unique core goals and mission of the client’s school, organization, or district, she works collaboratively to ensure curriculum and program drive efficient and functional spaces. Christine is committed to embracing the regional and cultural aspects that make up a school’s unique ethos, while designing relevant and inspiring learning environments. She has been responsible for numerous public and private school projects in the United States as well as overseas. Christine is adept at creating educational environments that respond to the changing needs of students. Christine’s work has been recognized by industry awards and featured in numerous publications. She has a BARCH from Syracuse University and has been named in “ENR’s Top 20 under 40,” and “40 under 40,” by Building Design & Construction.



As Director of Strategy and part of the Executive Group at CetraRuddy, Emmanuelle C. Slossberg leads the 100 person award-winning firm’s growth trajectory into new markets. With more than 20 years of experience in all aspects of new business strategy and marketing management including branding, public relations, innovation, architecture and real estate development, she has worked closely with the firm's principals to further expand their presence in residential, hospitality, cultural, educational and international markets. Emmanuelle holds a Master in Architecture degree from the University of Pennsylvania, is a LEED AP accredited, is fluent in 5 languages, and has taught International Marketing at Parson’s School in New York. She is currently sits on the ULI NY Management Committee as the Vice Chair of Membership. She has a passion for bringing together creative thinking with pragmatic execution with a global and multi-cultural perspective.


H. Oner Yurtseven, Treasurer

H. Oner Yurtseven, PhD, is Professor Emeritus of Electrical and Computer Engineering. He served as Director, Department Chair, Associate Dean and Dean at the Purdue School of Engineering and Technology at IUPUI before retiring in 2011. His areas of expertise are engineering and technology education, engineering accreditation, international engineering education, robotics, and renewable photovoltaic energy. He served as consultant for a number of United Nations Development Program projects; and held academic and administrative positions at The Middle East Technical University, Indiana University, and Purdue University Indianapolis (IUPUI). For two years, he was Provost of the Indiana University- Tenaga Nasional Berhad Cooperative Program, which initiated US model engineering programs in Malaysia. He currently serves as board member for Electricore, director/board member for EarthSolar Technologies Corporation, and engineering program evaluator for Accreditation Board for Engineering and Technology (ABET). He received BS in Electrical Engineering from the Middle East Technical University, Turkey, and PhD in Electrical Engineering from the John Hopkins University in Baltimore where he was a Fulbright Scholar. He also worked as a member of the technical staff for the Computer Science Corporation at NASA Goddard Space Center, Maryland.


Theodore Liebman, Vice-President

Theodore Liebman, FAIA, is a Principal at Perkins Eastman and a leading expert in the planning and design of large-scale urban housing and mixed-use projects. Over the past 50 years, Liebman focused on issues of housing, lifestyle, and culture in the urban environment. He was Chief of Architecture at the New York State Urban Development Corporation (1971-75) and Chief of Architecture for Roosevelt Island (1973-75). From 1975-77, he was architectural/urban design advisor to the Harvard Institute for International Development in Tehran, Iran.  He was a founding partner of The Liebman Melting Partnership (TLMP), focusing on affordable housing and neighborhood development until 2007. Liebman served as 1984 President of the AIA NY Chapter, received the Andrew J. Thomas Pioneer in Housing Award (1988), and gave the Ratensky Lecture ( 2005), honoring individuals who made significant lifetime contributions for advancement of housing and community design. He is Adjunct Professor at NYU’s Urban Design/ Architecture Studies program; lectured extensively and served on architectural juries in the United States, Europe, Asia, Africa and South America.  He received a B.Arch. Pratt Institute, M.Arch. Harvard University GSD, the Rome Prize Fellowship in Architecture; and the Wheelwright Travelling Fellowship in Architecture from Harvard. Liebman attended Habitat I & II and represented CSU at Habitat III


Antonieta Castro-Cosio

Antonieta Castro-Cosio, PhD, obtained her doctorate in Public and Urban Policy at The New School, in New York City. Her research areas include sustainable development policy, social-ecological resilience, and financial inclusion in low-income urban areas. She currently works for a think-tank in New York City doing research on financial inclusion in cities. Before obtaining PhD, she served as Director of the Sustainable Development Dialogue at the British Embassy in Mexico, funded by the UK Department of Environment, Food and Rural Affairs, monitoring projects in the areas of sustainable cities, governance for sustainable development, climate change and energy, natural resources management, and sustainable consumption and production. She holds a MSc. in Development Management from the London School of Economics and Political Science, a BSc. In International Relations from Tec of Monterrey, and a specialization degree in Energy and Environmental Management and Policy from the Latin American Faculty of Social Sciences (FLACSO).


Nicholas Hamilton, Secretary

Nicholas Hamilton is an urbanist experienced in launching and leading a diverse set of urban equity and sustainability initiatives, from a national network to revitalize America’s legacy cities to founding the NYC-Metro Urban Sustainability Meetup. Prior to launching his consulting practice, he previously served as Director of Urban Policy at Columbia University’s bipartisan policy institute, The American Assembly, as an architectural and urban designer at the firm Davis Brody Bond, and as an affordable housing provider in the Bay Area. He holds a Master of International Affairs from the School of International and Public Affairs at Columbia University and Bachelors from the University of California, Berkeley, where he studied Architecture, Planning, and Environmental Design in Developing Countries. He was selected as a Next City Vanguard in 2013 and currently serves on Next City's Vanguard Committee.