REX’s founding principal, Joshua leads the firm’s team of diverse professionals and remains intimately involved in all the office’s work. Joshua was the first American recipient of the Marcus Prize, the biennial international architecture award conferred by the Marcus Corporation Foundation and the University of Wisconsin, and has been honored by the experimental performance company STREB with their Action Maverick Award. He has also been credited as one of the “5 greatest architects under 50” by HuffPost; the world’s most influential young architects by Wallpaper*; the twenty most influential players in design by Fast Company; “The 20 Essential Young Architects” by ICON magazine; and the “Best and Brightest” by Esquire.

An early member of the TED Advisory Board, Joshua has shared REX’s design methodologies at the TED2006 and TEDxSMU conferences, and lectures frequently at universities, cultural institutions, and symposiums around the world. He has been Eero Saarinen Visiting Professor at Yale University, Cullinan Visiting Professor at Rice University, and a visiting professor at Columbia University, The Cooper Union, Harvard University, Massachusetts Institute of Technology, and Syracuse University, among others.

Joshua holds a Master of Architecture from Harvard University, where he earned the inaugural Araldo Cossutta Fellowship and the SOM Fellowship, and a Bachelor of Arts in Philosophy, magna cum laude with distinction in the major, from Yale University. He is NCARB Certified and a registered architect in states throughout the U.S. and Australia, as well as in The Netherlands.



Alysen is an associate principal at REX, co-managing the office with Joshua Ramus. She currently serves as project leader for Domino Site B, a pair of 50-story residential towers on the Brooklyn waterfront that will complete the redevelopment of the Domino Sugar Factory site. Preceding Domino, Alysen led the design team for the Perelman Performing Arts Center at the World Trade Center (PAC NYC) since its competition stage in 2014. Alysen was also a project leader on the re-cladding and renovation of Five Manhattan West, a Brutalist landmark straddling New York Penn Station’s rail yard; the Necklace Residence on New York’s Long Island; and the Wakefield School Performing Arts Center in Virginia.

Prior to joining REX in 2012, Alysen worked on a wide range of architectural projects with several world-renowned architectural firms. At Bjarke Ingels Group (BIG) in Copenhagen, Denmark, she worked on the House of Culture & Movement in Frederiksberg, Denmark, and TEK, a mixed-use proposal including retail, hotel, and exhibition space in Taipei, Taiwan. While with Zago Architecture in Los Angeles, she worked on the proposed development of a multi-unit social housing complex as part of Foreclosed: Rehousing the American Dream, a MoMA-commissioned project to explore new architectural possibilities for cities and suburbs in the aftermath of the 2008 foreclosure crisis.

Alysen currently sits on the Industry Advisory Group of the U.S. Department of State Bureau of Overseas Building Operations. She holds a Master of Architecture from the University of Illinois at Chicago, as well as a Bachelor of Arts in Art and Design, with honors, and a Bachelor of Arts in Journalism, both from the University of Iowa.



With REX since 2011, Adam is an associate principal and has been core to the firm’s design and intellectual rigor for more than a decade. He is currently running two hybrid retail and cultural hubs for Kia Motors in Seoul and Jeju, South Korea, and two mixed-use towers on Perth’s Elizabeth Quay in Australia (under construction). Adam is an expert in performing arts centers, having served as project leader for REX’s designs of The Lindemann Performing Arts Center at Brown University, the Shenzhen Opera House, the Komische Oper Berlin Expansion, the Wakefield School Performing Arts Center in Virginia, the Mercedes-Benz Future Lab & Museum in Stuttgart (which houses several performance components), and—until leading the design of The Lindemann Center—the Ronald O. Perelman Performing Arts Center at the World Trade Center with Alysen Hiller Fiore. He was also a key team member for the Yongsan International Business District “Project R6” Tower in Seoul, South Korea, and the transformation of Five Manhattan West in New York.

Adam graduated from The Ohio State University with a Master of Architecture and a Bachelor of Science in Architecture, both with honors. Adam is NCARB Certified and licensed in New York.