What departments does HapstakDemetriou+ have?

HapstakDemetriou+ has employees across 3 departments including Accounting, Engineering, Program & Project Management.

What is the largest department at HapstakDemetriou+?

The largest department at HapstakDemetriou+ is Program & Project Management with 2 employees.

Where are HapstakDemetriou+ employees located globally?

HapstakDemetriou+ has employees across 1 continents and 1 countries including United States Of America.

How has HapstakDemetriou+'s team size changed over time?

HapstakDemetriou+'s team has decreased from approximately 19 to 17 employees based on available data.

Learn more at LeadIQ.com

HapstakDemetriou+ Employee Directory

Architecture and PlanningDistrict of Columbia, United States11-50 Employees

HapstakDemetriou+ is an architecture and design studio led by Peter Hapstak and Olvia Demetriou, FAIA, known for delivering inventive, timeless design solutions across a range of project types and sizes. The firm brings together a diverse group of architects and designers who collaborate to guide clients from concept through realization, aiming to translate ideas into completed spaces. Based in Washington, D.C., the studio operates within the broader architecture and planning industry, offering comprehensive design services that address the needs of its clients and their projects. With a focus on creative, spirited approaches to architecture, HapstakDemetriou+ emphasizes thoughtful design outcomes and sustained relevance in its work.

HapstakDemetriou+ Global Highlights

North America
25

United States Of America
25

HapstakDemetriou+'s Leadership

C. H.
Controller
Mobile Phone
Email
A. S.
Interior Designer
Mobile Phone
Email
E. V.
Architectural Designer
Mobile Phone
Email
K. C.
Project Designer
Mobile Phone
Email
M. F.
Project Designer
Mobile Phone
Email

HapstakDemetriou+ Employee Metrics

100%

50%

2026

2025

Arts & Design
Community & Social Services
Accounting
Administrative
Analytics
Other

Contact profiles from HapstakDemetriou+

Name

Title

Contact Info

Location

Last Update

C. H.
Controller
Mobile Phone
Email
Jun 25, 2025
A. S.
Interior Designer
Mobile Phone
Email
Nov 20, 2025
E. V.
Architectural Designer
Mobile Phone
Email
Apr 25, 2025
K. C.
Project Designer
Mobile Phone
Email
Oct 21, 2024
M. F.
Project Designer
Mobile Phone
Email
Oct 18, 2024

Frequently Asked Questions

What is HapstakDemetriou+ known for?

HapstakDemetriou+ was founded in 2011 operates in the Architecture and Planning industry; you can contact the main corporate office by phone at

+1-202-333-****

. Explore HapstakDemetriou+'s company overview page for more information.

What is HapstakDemetriou+'s most common email format?

HapstakDemetriou+ employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more HapstakDemetriou+ email formats with LeadIQ.

How many employees does HapstakDemetriou+ have currently?

HapstakDemetriou+ has approximately 15 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are HapstakDemetriou+'s key employees and leadership?

As of July 2026, HapstakDemetriou+'s key employees include:

Controller: C. H.
Interior Designer: A. S.
Architectural Designer: E. V.
Project Designer: K. C.
Project Designer: M. F.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

HapstakDemetriou+ Employee Directory

Find HapstakDemetriou+ employees' phone numbers or email addresses

Name search is limited — try advanced search instead