Olvia Demetriou and Peter Hapstak, founders of HapstakDemetriou+

HapstakDemetriou+ is an architecture and design studio under the leadership of founders Olvia Demetriou, FAIA, and Peter F Hapstak III, AIA, two accomplished design professionals whose careers have long been celebrated for their innovation and timelessness.

Olvia C. Demetriou, FAIA is considered to be one of the country’s preeminent hospitality designers. Her work is marked by clarity of vision, innovation, and excellence in design. Olvia approaches each new project with freshness and vigor while imparting thoughtfulness and wisdom from years of creating award-winning spaces.

Peter F Hapstak III, AIA has a design career deeply rooted in Washington, DC as well as across the United States and abroad. His Bauhaus style of education and hands-on approach have produced environments that are precise, layered, highly crafted, and visually engaging. Peter has established a reputation for providing the highest caliber of service while challenging his clients to reach beyond the expected. The result is award-winning projects that are both pragmatic and beautiful.

Little Bird, DC

Little Pearl, DC

Our Values

Good work takes time.

We quantify our level of effort in hours in an attempt to realistically illustrate the creation and transfer of value to our clients in the form of our intellectual output.

Good work takes great people.

We celebrate and nurture talented people that are essential to continuing the steady delivery of creative and aesthetic problem-solving for our clients.

Good work takes clear communication.

Listening to the client and our team members and communicating effectively is core to our function as storytellers.

Good work is considered.

Because our work inhabits the greater context of the global environment as much as the local context of a community and a neighborhood.

Good work inspires.

Because we are uniquely aesthetically endowed to be the curators of the narrative of living.

Good work.

You see where we’re going with that.

Awards & Publications

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The studio benefits from a diversely talented and experienced group of architects and designers who produce striking and inventive design solutions. Are you one of us?