- Sean Williams
tiny house architect architect sustainability LEED Living Building Challenge tiny house design
Sean Williams, Chief Design Officer for Parvus House, has built a career in sustainable design. Fueled by a passion for environmental transparency, he uses his knowledge to create beautiful designs that solve problems. He is internationally recognized as an expert in LEED, the Living Building Challenge, biomimicry principals, and progressive, sustainable design.
Sean is a member of the American Institute of Architects (AIA) and National Council of Architectural Registration Boards (NCARB). He has served on local and regional boards for the USGBC (U.S. Green Building Council) and is LEED accredited.
Architect | Chief Design Officer
March 2016 - present
Chief Design Officer and Architect for Parvus House, a tiny house design firm dedicated to creating beautiful homes based on the Living Building Challenge standards - a holistic approach to the most progressive thinking in architecture, engineering, interior design, construction, landscaping, and lifestyle. Parvus House adheres to the 'Petals' or performance categories of Place, Water, Energy, Health & Happiness, Materials, Equity and Beauty.
Architect | Owner
OT9 Design, LLC
March 2012 - present
Sean Williams, AIA is the Principal Architect and founder of OT9 Design, an architectural design studio located in St. Petersburg, Florida. OT9 is focused on innovative, entrepreneurial problem solving and creative sustainability. The process starts by listening to clients, developing a comprehensive plan to resolve issues and finally executing a solution that benefit the client and the environment.
OT9 focuses on the client's investment in collaboration with the brand and enhancing the culture. Whether the client needs are residential, commercial or institutional OT9 has the experience to develop the best solution. With past projects spanning one-of-a-kind architectural icons to prototypical brand solutions, we believe finding the right solution should be our next project.
University of Florida
2000 - 2004
LEED AP BD+C
January 2007 - January 2019
State of Florida (AR95989)
November 2011 - January 2019
Advisory Board Member
Skyway Marina District (Economic Empowerment)
March 2015 - present
The Skyway Marina District is located at the southern end of St. Petersburg in Pinellas County. This advisory board looks at economic impacts and opportunities for the surrounding neighborhoods, business districts, and open lots. Sean provides visioning and insight from an architectural point of view will supporting the City of St. Petersburg and interested parties. The goal is to build positive economic development for the district in a diverse and responsible way.
Architecture for Humanity - Tampa Bay Chapter (Disaster and Humanitarian Relief)
January 2012 - December 2015
Architecture for Humanity was a US-based charitable organization that sought architectural solutions to humanitarian crises and brought professional design services to clients (often communities in need). The Tampa Bay Branch was active since the Chapter's inception in 2004, officially becoming a distinct Branch in 2009. The Branch primarily served members in the Hillsborough, Pinellas, Polk, Pasco, Hernando, Citrus and Sumter counties.
USGBC FL-Caribbean Regional Committee (Environment)
August 2013 - December 2015
The Florida-Caribbean Regional Committee (FCRC) was formed in 2005 to bring together eight US Green Building Council (USGBC) chapters rich in cultural, socioeconomic and bioregional diversity, perspectives, market demographics and community needs. The region includes seven USGBC chapters in Florida and the U.S. Caribbean Chapter, covering the U.S. territories of Puerto Rico and the U.S. Virgin Islands. It is home to more than 2,800 active USGBC chapter members and more than 1,600 USGBC member organizations.
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