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Theodore Hoerr

Founding Principal

Theodore Hoerr is a licensed landscape architect and urban designer who has led the design and implementation of a diverse range of projects in North and South America, Asia, Europe, and the Middle East, ranging from large-scale urban strategies reshaping the future of cities to small-scale landscapes emphasizing the craft of building. His professional and academic work explores how the temporal dynamics of landscape create new emergent forms and experiences synthesizing culture, nature, and the built environment.  He received his Masters in Urban Design with distinction (MLAUD) and Masters in Landscape Architecture (MLA II) from the Harvard Graduate School of Design. Theodore currently teaches in the Department of Landscape Architecture at the Rhode Island School of Design.

Previous to founding Terrain Work Theodore worked in several leading international design practices. He was most recently a Principal at Balmori Associates in New York City where he led the design of projects like a winning proposal for MoMA PS1’s Rockaway Call for Ideas in Queens, New York, mixed-used large scale urban projects in Bogota, Colombia, and Sao Paulo, Brazil, and an award-winning master plan for the University of Iowa Art Campus.  Prior to this Theodore was a Senior Associate at EDAW/AECOM where he led the design of projects like the Arcapita Headquarters in Manama, Bahrain and the Umstead Hotel, in Cary, North Carolina and a designer at Richard Haag Associates in Seattle, Washington.

Haemee Han

Senior Designer

Haemee Han is a Senior Designer at Terrain Work.  Haemee holds a Master of Landscape Architecture from the Harvard University Graduate School of Design and a Bachelor of Landscape Architecture from the University of Illinois, Urbana-Champaign.

Prior to joining Terrain Work, Haemee was a senior designer at Hargreaves Associates in New York City, where she served as project lead for the Juilliard School in Tianjin, China, in collaboration with Diller Scofi­dio + Renfro.  She has also worked at James Corner Field Operations for several years, collaborating on internationally known projects, such as the Dachong Redevelopment in China, Earls Court Development in London and Chicago's Navy Pier. Prior to this, Haemee was a design associate at Mikyoung Kim Design where she completed designs that ranged in scale from public installations to commercial plazas.

Siyu Du


Siyu Du is a designer at Terrain Work.  He completed his Bachelor of Engineering in Landscape Architecture at Beijing Forestry University and is expected to receive a Master in Landscape Architecture in Rhode Island School of Design in 2018.  During his undergraduate studies his program emphasized landscape architecture, horticulture, and urbanism.   

Before joining Terrain Work, Siyu was an intern designer at Shenzhen Techand Ecological Environment Company Ltd. in Beijing where he worked on Community Planning of Dayuguo District, Shenzhen, China and construction documentation for several residential and hospitality projects.