
Estela Ontiveros
Executive Assistant“As much as I enjoy the projects at Walker Warner, it’s the people who inspire me every day.”
Estela collaborates with every member of our team to make Walker Warner feel like home. A California native and multidisciplinary artist, she brings over a decade of community engagement experience. As Executive Assistant, she partners with senior leadership to streamline their day-to-day operations while also providing broad support to the office.
- San Francisco State University, B.S. Recreation, Parks & Tourism

Gina Swanson
Director of Finance
Gloria Kim
Director of Architectural Operations
Hana Bittner
Senior Project Manager
Helen Tsang
Senior Technical Architect
Jeremy Speckman
Project Manager
Joey Ukrop
Communications Manager
John Pierson
Associate Principal