Our History

Established in 2005, Chasm Architecture is a full-service design firm based in Atlanta, Georgia. With additional offices throughout the southeast and extensive experience in many marketing sectors, Chasm has built a strong name by providing great design and high level professional services to our clients. As a result, our past and current clients lead our marketing efforts and serve as our top business developers. From inception, Nathaniel O. Clark, Managing Principal, envisioned a client-centered design firm that would provide a level of service that many clients often do not receive. We understand how projects should be executed and do not cut corners in providing the level of service that our clients deserve. Regardless of the scale, budget, or timeline, our process is tailored and finely tuned to execute a memorable experience for each owner. Spanning over fifteen years, Chasm continues to emerge as a top-notch design firm that offers a phenomenal service to great clients who expect great architecture.

Our Team

Chasm’s staff has completed over $3.5 Billion in construction, collectively. These projects include aviation, academic, civic, cultural, corporate, healthcare, justice, multi-family, student housing, and master planning. As a result, our past and current clients lead our marketing efforts and serve as our top business developers. We understand how projects should be executed and do not cut corners in providing the level of service that our clients deserve. Regardless of the scale, budget, or timeline, our process is tailored and finely tuned to execute a memorable experience for each client.

Nate is a determined entrepreneur and prefers dwelling behind the scenes.

Managing Partner, RA

Nathaniel O. Clark

Nathaniel encourages each Chasm staff to value the voice of others by critically listening first, then offer an honest assessment.

“Bad architecture is in the end as much a failure of psychology as of design.” – Alain de Botton


Christian Coles
Assoc. AIA

Christian has passion for examining the human experience of architecture through incorporating psychological principles into the design process.

He is a proud graduate of Furman University

Finance Manager

Caleb Coker

Caleb’s career has spanned twelve years in various financial roles in real estate investing, fundraising, and healthcare management.

“Great things are done by a series of small things brought together.“


Meghan Doring
Assoc. AIA

Meghan brings a passion for adaptive reuse and urbanism. She plans to further her education and pursue licensure in architecture.

Rondinearo has drawn from his experience working in the domestic and international markets

Senior Project Manager

Rondinearo Edgecombe
Assoc. AIA

Rondinearo is a Senior Designer/ Project Manager with over 17 years of experience.
“Quality control and quality assurance should and must begin from the inception of a project through all phases of design and project delivery to post occupancy.“

Senior Project Manager, RA

Lawrence C. Izegbu
AIA, NCARB, LEED Green Assoc.

Lawrence has designed and managed various building and project types with construction budgets in the excess of $2 billion.

“The devil is in the details” – Author Unknown

Senior Project Manager

Christopher M. Haslitt

Chris is a licensed architect with 27 years of experience with numerous building and project types.

“The greatest discovery of all time is that a person can change his future by merely changing his attitude.”
– Oprah Winfrey

Director of Project Development

Stephanie V. Jones

Stephanie has enjoyed a career spanning almost 30 years as a marketing, communications and event management professional in the A/E/C space.

“If there is any one secret of success, it lies in the ability to get the other person’s point of view and see things from that person’s angle as well as from your own.” Henry Ford

Project Administrator

Lynn Logan

Lynn brings forty years of accounting experience in the construction industry.

“Design is not just what it looks like and feels like. Design is how it works.” –Steve Jobs

Interior Designer

Delimar Morales
NCIDQ, LEED Green Assoc.

Delimar is a graduate of the University of Georgia and brings to the table fresh new ideas and design solutions as part of the Chasm team.

Diallo has a passion for creating efficient and responsible design solutions.

Senior Project Manager

Diallo Rahsaan Murphy
Associate AIA, M.Arch.

Diallo is a master’s level architectural designer with over 15 years’ experience creating construction documents and working in a variety of office and project types.

“Atiba is a results-driven professional with seventeen years of experience in architectural design and construction project management. “

Senior Project Manager

Atiba Nunnally
PMP, LEED Green Assoc.

Atiba is an excellent communicator with the ability to speak, read, write and articulate the design language.

“Nothing in this world can take the place of persistence… Persistence and determination alone are omnipotent“ ― Calvin Coolidge

Senior Project Manager

Adebisi Oyedeji

Adebisi has over 13 years of experience in planning, design and project management of mixed-use, multifamily, office, and hospitality projects.

“…Every defeat, every heartbreak, every loss, contains its own seed, its own lesson on how to improve your performance the next time. – Malcolm X

Project Manager

Alonzo Patrick Self
Interior Design

Alonzo Self has 5 years of experience in interior and architectural design and near 3 years of experience in the power construction industry.

“If there is no struggle, there is no progress.”- James Baldwin


Jason Smith
Assoc. AIA, NOMA

Jason Smith aims to utilize his Architectural background as a tool to create a different perspective in Urban environments like his hometown, Detroit, Michigan.

“The best way to predict your future is to create it.” -Abraham Lincoln

Senior Project Manager, RA

Jason W. Swichtenberg

Jason has led teams on projects ranging from $1-million school renovations to $30-million transportation facilities.

“I don’t think that architecture is only about shelter, is only about a very simple enclosure. It should be able to excite you, to calm you, to make you think.“ – Zaha Hadid

Senior Design & Marketing Coordinator

Amanda M. Tobin
Graphic & Interior Design

Amanda is an intuitive and creative designer with over a decade of expertise in graphic design, interior design, and project management.

Matt has extensive experience in the Educational Practice Area.

Firm Director, RA

Matt Viguerie

Matt is the Firm Director of Chasm/ Louisiana. He is a registered architect in Louisiana and has twenty-two years of architectural experience.

“Getting the Assist is just as important as scoring the last shot…”

Project Manager

Jon-Michael Willingham

Jon-Michael prides himself on having fun, being a collaborator, and paying attention to detail from concept to completion of a project.