Who We Are


With over 40 years of experience, our depth and excellence in architecture allows us to take a comprehensive approach when designing spaces. Our history of successful design, client relationships and exquisite architecture proves us as forerunners in our field, leading the industry in designing retail, hospitality and entertainment venues.


Our approach to each project includes taking a comprehensive look at potential spaces, creating places that speak to our clients and ultimately developing places where people want to interact, shop, dine, socialize and enjoy. From designing retail, entertainment and hospitality environments, to working with plans, prototypes and repositioning existing spaces, RDC’s expertise covers all consumer experiences. We strive to incorporate our craft into everyday spaces, creating extraordinary work.

With a collaborative practice of architecture, planning and interior design, RDC creatively meets the diverse needs of a variety of projects. We are a full-service architecture practice with a deep experience in conceptual design, entitlement, site planning and all stages of construction documentation and administration. Our practice encompasses many different scales, from small planning to large master plans and everything in between.


2030 Challenge

The urban built environment is responsible for 75% of annual global GHG emissions: buildings alone account for 39%. Eliminating these emissions is the key to addressing climate change and meeting Paris Climate Agreement targets.

Noma Challenge

Fostering justice and equity in communities of color through outreach, community advocacy, professional development and design excellence.

Years of Experience


Licensed Professionals

Firmwide Values

Do Great Work

Cultivate Growth

Do the Right Thing



Master Planning


Store Planning



Development Services


Brad Williams, AIA

Chief Executive Officer

Brad Williams, AIA, is the President and CEO of RDC. Joining the firm in 1999 as a junior designer, Brad has experience with urban infill revitalization projects, high-density retail developments, numerous successful façade revitalization programs for both public and private entities, as well as institutional projects such as the USC Caruso Catholic Center.

Mitra Esfandiari, AIA


Mitra Esfandiari, AIA is a collaborative leader of award-winning place making projects for retail, mixed-use, wellness and entertainment developments. Mitra became the firm’s first female principal in 2010 and serves at the highest level, on the Board of Directors and as the Chair of the Racial Equity Diversity and Inclusion committee.

Branko Prebanda

Senior Principal

Branko Prebanda joined the firm at its inception in 1979 and was named principal in 1997. He leads the Retail Studio at RDC, working specifically with some of the world’s largest retailers. He has leveraged his experience to create streamlined processes that achieve project goals and best meet the needs of national retailers for ground-up, renovation and expansion efforts.

Sean Slater, AIA

Senior Principal

Sean Slater is principal in charge of RDC’s San Diego office where he is principal-in-charge of several high profile projects. He is a leader of the firm’s Placemaking group, collaborating firmwide with architects, planners and interior designers on mixed-use development. Sean joined RDC in 2016 after spending over twenty years practicing architecture in Berkeley, Atlanta and Austin.

Jackson Thilenius, AIA

Senior Principal

With over 25 years of experience in the design and construction industries, Jackson has created a broad range of award-winning projects across the globe. As a Principal at RDC, Jackson brings his passion for design and innovation to every project, while jointly maintaining close client relations and quality assurance. As a writer, painter, sculptor, musician, and inventor, Jackson bridges the gap between art and architecture within every project he engages.

Maura K. Schafer

Chief Marketing Officer

As chief marketing officer, Maura is responsible for the firm’s strategic marketing initiatives, serving as a member of the firm’s board of directors and working along with key leaders to provide a comprehensive national marketing, business development and public relations platform for RDC. Maura offers an in-depth perspective gained from working in various sectors of the design and real estate industries.

Virginia Maggiore, AIA


Since joining RDC in 2019, Virginia has built the firm’s practice of Retail Store Rollout and Planning, adding notable clients to the firm’s roster and garnering accolades for her work from colleagues and clients. Virginia is a licensed architect, responsible for developing the in-store experience and customer journey, creative strategy, visual communication, and marketing integration for retail clients.

Joseph Serruya, NCARB


As Principal and Director of the Washington, DC office of RDC Joseph Serruya is responsible for senior project oversight and business development for the Eastern Region. With a depth of knowledge and over 25 years of experience in planning, site development, design, building construction and codes, he has successfully led project teams with a combination of creativity and organizational skill.

Ian Denny

Chief Financial Officer

Ian Denny has worked in financial management for over 15 years in a variety of industries and firms, with a focus on the AEC community for the past seven years. Ian focuses on creating efficiency, leveraging technology to create transparency and provide real-time intelligence to decision makers and providing inspired leadership to teams in the front and back office.

Bob Lisauskas, AIA, LEED AP


Bob is focused on regional and international projects that include master planning, mixed use low rise and high-rise residential towers, workplace, and re-imagining of shopping / entertainment centers. He is currently leading the design for three major mixed-use high-rise multifamily residential developments in Downtown San Diego. Bob is a licensed architect in California, a LEED accredited professional, and an active member of the AIA and the ULI. He has served as a board member of the Silver Lake Urban Design Committee for the past eight years and acts as a student mentor at USC.