About
YB+ST Architects is a woman owned and operated architecture practice founded by Susanne and Yianna who share over 20 years of diverse and dedicated experience. We are committed to designing meaningful, contextually sensitive projects that honor people and places.
Vision
We create personal spaces that inspire and reflect our clients’ character – how they live, what they enjoy, and how they want their project to feel. Our goal is to reimagine and refine their objectives, embody purpose, excitement and personal expression.
Solution
We develop innovative, tailored solutions for each project. Our experience enables us to transform ideas into designs that are both relevant and meaningful. By exploring potential options and expanding our clients’ understanding of possibilities, we ensure that our final solution resonates with their needs and aspirations.
Expertise
We focus on transforming concepts into tangible realities through meticulous technical detailing based on construction processes. Craftsmanship is at the core of our approach, ensuring each project is both beautifully and technically executed.
Collaboration
A culture of collaboration is fundamental at YB+ST. We believe the best outcomes emerge from open dialogue with clients, consultants, and builders. Our project management approach values input from all team members.
Commitment
Deep understanding of context is central to our philosophy. We design with a strong sense of place, ensuring our architecture enhances and respects its surroundings. Our collaborative journey is built on clear communication, reliability, and fostering trust with our clients. Recognized by various design awards locally and internationally reflects our commitment to excellence.
At YB+ST, architecture is more than just a profession – it is a heartfelt commitment to creating spaces that inspire, serve, and endure.


YIANNA BOUYIOUKOU
ARCHITECT
Yianna Bouyioukou is from Athens, Greece. She earned her Bachelor of Architecture from Southern California Institute of Architecture (SCI-Arc) and her Master of Architecture degree from University of California, Los Angeles (UCLA), on a full scholarship.
With a professional background of 20 years, she has received numerous Design Awards from the AIA, Los Angeles for a diverse range of projects, including the Embassy of the Czech Republic in Washington DC; the European School Complex in Crete; the Vasilitsa House on the mountain of Pindos in Greece; and the Mozambique Preschool. She studied and worked for several years in Los Angeles under Barton Myers, where she led numerous high-profile residential projects across the US, among them the Montecito Residence, which was acclaimed for its innovative design in engineering and architecture with structural steel.
In 2012, she was recognized with the Europe 40 Under 40 Award by the European Centre for Architecture, Art, and Urban Studies. Her experience working in both the US and Greece allows her to bridge and exchange innovative ideas across continents, integrating multicultural perspectives into her work.
SUSANNE TEJADA
ARCHITECT
Susanne Tejada earned her Bachelor of Architecture from California Polytechnic State University, San Luis Obispo and her Master of Architecture degree from University of Pennsylvania.
Susanne Tejada is a licensed architect in the State of California. She has strong experience in a wide range of building types, including educational, commercial, cultural and residential spaces. She has worked for distinguished offices in San Fransisco, Los Angeles and Santa Barbara, including Barton Myers Associates, where she served as a Project Architect on several residential award winning projects. She was in charge of the firm’s Healdsburg Residence, which received an award at the AIA Santa Barbara Design Awards in 2023.
She is a Santa Barbara native and very active in the local community. She served on the Board of Directors of the local AIA Chapter from 2008 to 2015 and was a Past-President in 2012. She is currently Vice President on the board of the Santa Barbara Architectural Foundation and also volunteers for the State Street Advisory Committee and the Access Advisory Committee to the City of Santa Barbara. She has taught Interior Design at Santa Barbara City College as an adjunct faculty member.