ICSC Center Build 

We are excited to attend the ICSC Center Build Conference in Phoenix this week, Nov.29 – Dec. 2. If you will also be there, please stop by our two round tables: 

  • Prefabricated Envelope Panels Beating Lead Times and Material Escalation Through Design (Nov. 30 | 8:15 AM)

  • Adaptive Re-Use in Today’s Market (Dec. 1 | 1:30 PM)

Connect With Our Team

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


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.

Derek Heeb

Senior Studio Director / Associate Principal

Derek brings a rich understanding of the retail realm, having worked on a variety of retail scales and typologies across the nation and internationally. Prior to joining Retail Design Collaborative, he worked many high-profile retail projects, including the Irvine Spectrum Repositioning, LAX Luxury Shops at Tom Bradley International Terminal, and Simon Brea Mall Modernization. 

Sean Unsell

Senior Studio Director/Associate Principal

Associate Principal Sean Unsell is co-leader of RDC’s retail and grocery work group. Sean joined the firm in 1988, and since that time, has worked exclusively with many major retail tenants including Target, Best Buy, Kohls, Albertsons, and ALDI. Award-winning work under his direction includes Erewhon’s Santa Monica store, the renovation of Brea Marketplace and LEED Gold Certification at Plaza Pacoima. He excels in the ability to adapt national retailers’ brands to site conditions for successful store rollout programs. Sean leads his work group to meet multiple deadlines while upholding quality.

Terry Todd

Senior Studio Director/Associate Principal

Associate Principal Terry Todd is the co-leader of the firm’s retail and grocery store practice area. Terry joined RDC in 1995 and since that time, has focused on architecture and design services for anchor retailers and shopping centers, developing an extensive knowledge and perspective on creating retail that serves the daily needs of local and regional communities. Terry is known for his thoughtful and responsive and approach to client projects. He offers clients in-depth technical knowledge that serves complex urban locations and suburban locations alike.


Mixed Use


San Diego, CA | Mixed Use

San Isidro

Santa Fe, NM | Mixed Use


Del Mar Highlands Town Center

San Diego, CA | Retail

The Skydeck at Del Mar Highlands

San Diego, CA | Retail | Del Mar

Jenni Kayne Home

Brentwood, Santa Monica, CA | Retail

James Perse Malibu House

Malibu, CA | Retail

Fashion Valley

San Diego, CA | Mixed use

Jenni Kayne Home Flagship

SoHo New York, NY | Retail

Jenni Kayne

Marin, CA | Retail



Silverlake, Los Angeles, CA | Grocery


Santa Monica, Los Angeles, CA | Grocery


Studio City, Los Angeles, CA | Grocery


Sherman Oaks, CA | Grocery



San Francisco, CA | Fitness


Los Angeles, CA – Culver City | Fitness


San Diego, CA – La Costa, Carlsbad | Fitness