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Our Journey

About ZIAS

Our Firm

Superlative A&E Services Across Continents

ZIAS Architecture & Engineering PLLC was founded in 2006 in New York, USA. Soon after, a regional subsidiary was established in Addis Ababa, Ethiopia to position ZIAS strategically on the African continent.

ZIAS was able to leverage expertise and resources from both continents to offer superlative A&E services in emerging African markets with rapidly growing economies.

In a short time, ZIAS has delivered design, construction supervision, and contract administration services that have earned it an outstanding reputation in industries such as healthcare, education, and aviation, among others.

Headquartered in Reston, VA with a regional subsidiary in Addis Ababa, Ethiopia.

ZIAS Office or Project

Our Leadership

Guided by veterans with decades of international experience in leading complex Architecture & Engineering projects.

Dereje Assefa

Dereje Assefa, PE, PPST

Principal and Managing Director

Dereje is a veteran in the A&E industry with over 22 years of experience leading projects in the African market. He is a licensed structural engineer in Ethiopia and the USA, with professional registrations in multiple states including Massachusetts, New York, Virginia, and Delaware.

Masters in Engineering from MIT
Daniel Assefa

Daniel Assefa, AIA, PAR

Principal and Director of Architecture

Daniel has 23 years of architectural and construction administration experience. He previously worked at global firms including TAMS Consultants, Earth Tech, and Leclere Associates in NYC. He holds architecture licenses in Ethiopia and multiple USA states and is a member of the AIA.

Bachelors of Architecture from Virginia Tech
Our People

Our Most Valuable Assets

Our select team includes architects and engineers who are keen and committed to delivering projects to the highest standards. We combine the wisdom of veterans with the energy of young, digitally proficient professionals.

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Our Values

We consider our return clients and their referrals the singular imprint of the quality of our work. We complete complex projects on time and to the highest standards because of our robust organizational structure and tested business processes.

Robust organizational structure
Tested & adaptable business processes
Comprehensive quality control plans
First-rate professional team
Commitment to international standards
Client-centric project delivery