The River Street Architecture Team

River Street Architecture, LLC provides full-scale architectural services with experience across the spectrum of the built environment, from broad master planning and urban design to more fine-grained and detailed building science and construction consulting. The firm is equally comfortable and experienced designing for different types of uses, including institutional, industrial, retail, hospitality, medical and residential. We are passionate about creating beautiful, efficient, sustainable buildings that are not only responsive to our clients’ needs, but also to their site, community and surroundings.  We design with the hope that our buildings will be enjoyed for generations to come. 

Our Partners

Terry Barker is a Senior Partner at River Street Architecture.  He was one of the founding partners of River Street Architecture in 1999. He holds a Bachelor’s Degree in Architecture from the University of Tennessee.

Terry has over 45 years of architectural experience and is currently a registered Architect in 6 states.  Prior to founding River Street Architecture, Terry was a partner at Franklin Associates Architects in Chattanooga. He has been an employee at architectural firms in West Virginia, Detroit, Michigan as well as Knoxville, Cleveland and Kingsport, Tennessee.

Terry’s notable projects include Siskin Hospital for Physical Rehabilitation, Erlanger Emergency Department Expansion, St. Barnabas Nursing Home, the current Incline Railway Cable Cars as well as numerous commercial, retail and residential projects. 

Terry is married to Tracey Barker, also an architectural graduate, and has six children who have all taken professions other than architecture.



Rob Fowler is Managing Partner at River Street Architecture, and was a founding partner of the firm in 1999. He graduated from the McCallie School and earned a Bachelor’s degree in Architecture from the University of Tennessee in 1981.

Rob’s architectural work has focused on commercial and institutional projects, including shopping centers, offices, hotels and health care facilities. Rob spent several years working with Boeing and NASA designing crew systems and space habitats for exploration missions. He helped develop the configuration of the International Space Station, co-authored papers on building habitats on the lunar and Martian surface, and worked on an early design for a hotel in low earth orbit.

Rob is currently involved in the planning of several hotels around the Southeast, and the Cameron Harbor development on the riverfront in downtown Chattanooga.

Rob enjoys sailing and travels to regattas around the country. He is a licensed captain and delivers large sailboats between the East Coast and the Caribbean. 




Michael McGowan is a partner at River Street Architecture. He earned a Bachelor’s degree in Architecture and Planning from the University of Tennessee in 2001.  In his fourth year of Architecture School, he spent a semester abroad in Cracow Poland at the Politechnika Krakowska where his studies focused on urban planning and smart growth principles. 

Originally from Johnson City, Tennessee, Michael worked as an Architect at Plan One Architecture in Jackson Hole, Wyoming, before moving to Chattanooga. He joined River Street Architecture in 2007, drawn by the firm’s personal and hands-on working environment. Michael has been an integral part of the design team for Ooltewah, Tennessee’s Cambridge Square development. He was closely involved in the 26 acre Cambridge Square commercial area master plan and has designed all of the completed buildings in the development.

Michael is currently working on the 126 acre residential portion of the Cambridge Square development, and several new commercial buildings. In addition to Cambridge Square, Michael manages roughly 20 commercial and residential projects a year.     

Michael has a passion for snow skiing and mountain biking, and hits the mountains as often as his schedule allows. He married his wife Lindsay in her hometown of Bigfork, Montana. The McGowans' have three children and reside on Chattanooga’s Southside, in a home designed by Michael.






Justin Dumsday is a partner at River Street Architecture. He earned a Bachelor’s degree in Architecture from the University of Tennessee in 1996.

Although Justin calls Chattanooga his home, he spent most of his childhood moving frequently with his family to multiple states before settling in Chattanooga and attending Hixson High School.  Justin is the newest partner at River Street bringing a wide range of experiences from 20 years of diverse projects and clients. Prior to becoming a full partner at River Street, he was a senior project architect at Artech Design Group in Chattanooga. He has designed and managed notable projects such as River Pier Landing one of the anchors of the 21st riverfront development, East Hamilton School, a Library for Bryan College, the Lamppost Group offices in the Historic Loveman's building, the Delta Zeta and Phi Kappa Alpha houses for UTC and recent Holiday Inn and Rodizio restaurant in Downtown Chattanooga.

Justin is currently working on Mckee Foods' Corporate Headquarters, home of brands such as Little Debbie, Sunbelt Bakery, Fieldstone and Drake's. He works closely with clients and has a great desire to bring client's needs into physical form not based on a specific style but rather unique design concepts and use of material.

Justin married his high school sweetheart Jaime Dumsday and they have two daughters.





Our Team


Terry Barker

Senior Partner

423.634.0806 ext 328


C. Rob Fowler, AIA

Managing Partner

423.634.0806 ext 308


Michael McGowan


423.634.0806 ext 316


Justin Dumsday


423.634.0806 ext 313


Jennifer Still

Business Manager

423.634.0806 ext 326

Heather Adcox, AIA, LEED AP

Project Architect

423.634.0806 ext 317 


Ashley Elliot - RA, LEED BD+C

Project Architect

423.634.0806 ext 318


Chris Humkey, LEED AP

Project Architect

423.634.0806 ext 322


Ann Stahl - AIA

Architect/Project Manager

423.634.0806 ext 323


Peter Olsen, AIA, LEED AP


423.634.0806 ext 307


Frank McDonald - RA, LEED AP




David Patty

Project Designer

423.634.0806 ext 306


Don Sells

Project Manager

423.634.0806 ext 321


Bejamin Gross


423.634.0806 ext 314

Our Philosophy

At River Street Architecture we employ a holistic and highly collaborative approach to design. We consider cost, practicality, beauty, consultant expertise and building performance as integrated parts of a larger whole. Our approach results in -and relies on - strong relationships with clients, consultants, product representatives, contractors, tradesmen and other professionals, all of whom play critical roles in our process. We consider our design process ego-free, and centered on mutual respect and superb collaboration. 

Our Shared Future

We maintain a high level of responsibility to the environment and to the efficient operation and functionality of our building projects.  As an office, we currently have 11 projects that have achieved LEED certification, all Gold, accounting for 1/3 of all LEED certified buildings in Chattanooga.  Additionally, we have numerous projects that are either currently registered with LEED or are intending to pursue certification. Almost half of our LEED certified or registered projects have been renovations.  Regardless of a project’s decision to pursue LEED certification, it is our policy to employ sustainable measures to the greatest extent possible to provide our clients with a high quality and efficient product that meets both their budget and their operating needs.

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