One Acre Fund

Michael Murphy, Int FRIBA, is the Founding Principal and Executive Director of MASS Design Group, an architecture and design collective that leverages buildings, as well as the design and construction process, to become catalysts for economic growth, social change, and justice. Since MASS's beginnings, their portfolio of work has expanded to over a dozen countries and span the areas of healthcare, education, housing, urban development. MASS’s work has been published in over 900 publications and awarded globally. Most recently, MASS has been recognized as the winners of the national Arts and Letters Award for 2017 and the 2017 Cooper Hewitt National Design Award. Michael’s 2016 TED talk has reached over a million views, and was awarded the Al Filipov Medal for Peace and Justice in 2017. MASS's project, the National Memorial for Peace and Justice was named the single greatest work of American architecture in the 21st century. Michael has taught at the Harvard Graduate School of Design, University of Michigan, and Columbia University’s Graduate School of Architecture Planning and Preservation. Michael is from Poughkeepsie, NY, and holds a Master of Architecture from Harvard Graduate School of Design and a Bachelor of Arts from the University of Chicago.

Sarah Mohland joined MASS Design Group in 2011 as a founding member of the Kigali Office. Sarah has since contributed to nearly all of MASS’s built work in Rwanda. She now manages MASS projects in the Northern Rockies and is a faculty member of the School of Architecture at Montana State University in Bozeman, Montana – bringing home the lessons she learned while leading the Kigali office for nine years.

Sarah has led the design and implementation of projects that span the typologies of higher education, primary education, housing, and healthcare. Most notably Sarah contributed to the design and construction of Butaro Doctors’ Housing, the Butaro Cancer Centre of Excellence, the Butaro Cancer Support Centre, and the University of Global Health Equity Student Housing. In all of her projects, she cultivates a deep engagement with local builders, material suppliers, and local agencies, as she seeks to challenge the building industry to improve construction standards and maximize impact during the construction process. With a deep investment in creating equitable opportunities within the design profession, Sarah has led several training initiatives at MASS, including forming the curriculum for the African Design Centre and leading the Design Build of Ruhehe Primary School. She has taught at the University of Rwanda, formerly known as the Kigali Institute of Science and Technology.

Sarah is from Great Falls, Montana, and earned a Master of Architecture from Montana State University and a Bachelor of Environmental Design from Montana State University.

"I believe that every project is an opportunity to create a movement. To inspire this momentum, we must be one with the community, and together, go beyond the bare minimum."

Sierra began work with MASS in 2008 focusing on landscape architecture and joined full time in 2009 to finalize design and oversee implementation of the Butaro Hospital, MASS’s first project. Currently Sierra directs the ongoing design and implementation of MASS’s planning and architectural projects and is currently overseeing The Kayanja Center, an academic facility supporting rural health care delivery and research in Uganda, a number of African Conservation Schools in DRC, Tanzania, Zambia, and Rwanda, and the Butaro Hospital Expansion Plan, among others. Those completed include Butaro Hospital, the Umubano Primary School, the Butaro Doctors’ Housing, and the Butaro Ambulatory Cancer Center.

Prior to joining MASS, Sierra worked for four years at James Corner Field Operations, primarily in design and oversight of implementation of Section 1 of the New York City High Line. Sierra has taught graduate level studios at various universities and from 2010-2012, Sierra served as Head of the Architecture Department at the Kigali Institute of Science and Technology (KIST) in Rwanda. At KIST, Sierra was instrumental in shaping the current curriculum. She is invited to speak regularly, including the keynote address at the Healthcare Design Conference, serving as a Sasaki Distinguished Visiting Critic at the Boston Architectural College, and lecturing at the Carter ‘Lectures In African Studies’ series, the University of Pennsylvania, Harvard University, University of Toronto, and the American Institute of Architects, among others. Select features of Sierra’s work with MASS Design Group include A+U Magazine, Lotus, Mark Magazine, and Detail.

Sierra received her Bachelors of Arts in Art and Architectural History from Smith College and her Masters of Landscape Architecture and Masters of Architecture from the University of Pennsylvania.