Meet our dedicated principals and co-owners, Brian Frels, Stephanie Bounds Nunn, and Scott Walthour. With 56 years of combined experience at Arium AE, they actively connect with clients, bringing expertise across a vibrant array of projects. Together, we’re here for you.
Design That Works (and Works Together)
Since 1988, we’ve been designing for real life: balancing creativity with constructibility. Our secret? Architects, engineers, and interior designers working side by side from day one.
We’re practical, responsive, and big on partnership. Whether you’re planning a commercial renovation, a mission-critical facility, or a LEED-certified workplace, we bring clarity and coordination to every step.
What We Do
1
Integrated Teams
Our architecture and MEP design teams work under one roof, making coordination easier, timelines tighter, and outcomes better.
2
Responsive + Reliable
We’re known for being easy to work with and quick to respond. No chasing, no confusion, just steady communication and solid follow-through.
3
Diverse Experience
From SCIF projects and charter schools to breweries and biotech offices, we’ve handled all kinds of technical and creative challenges.
4
Rooted + Growing
We’ve built a strong presence across Maryland, DC, and Virginia, and we’re continuing to grow with the right people, partners, and projects.
5
Permitting Expertise
We know the local jurisdictions. We’re often hired by outside firms seeking guidance in solving their permitting challenges.
6
Leadership Access
Our medium size allows for our principals to engage directly with clients and for projects to be fully staffed with experienced professionals.
Our Leadership
Designed by People Who Care

Our People
Built By People As Invested as You Are
At the end of the day, it’s about trust. Our team shows up with curiosity, care, and real AEC industry know-how. Whether we’re tackling a Green Globes-certified lab or troubleshooting on a job site, we’ve got your back.
