Steve Coe has over 26 years of experience working in Charleston on a wide variety of projects of varying sizes and complexities. As the Principal-in-Charge, and lead design Architect, Steve is directly involved in every facet of the office environment. He directs and leads all projects undertaken by the firm, and uses his knowledge of Charleston building codes, agencies, construction systems, transportation issues, and architectural design to the owner’s benefit. Steve has experience working with state agencies including many educational and higher education projects. His background allows him to anticipate project trajectories, coordination and project scheduling both in the Rosenblum Coe office and between project consultants.

AIA, LEED BD+C, President


Josh 2020 outside.JPG

Josh joined the RCA team in April 2014, and became an associate with the firm in 2017. He brings a wide range of design experience, including project work with K-12 and Higher Education, Municipal, Healthcare and Commercial design. He is a LEED Accredited Professional with extensive building sustainability experience.

As a Project Architect and Project Manager, Josh  is involved in design through documentation and construction. He helps guide planning, programming and design charrettes to engage consultants and stakeholders in the analysis of needs and practical solutions.

AIA, LEED AP, Vice President


Rosenblum Coe Architects welcomed Ken Harkins, AIA to the RCA team in November 2010. He has over 44 years of experience in institutional architecture and renovations in South Carolina, and has a reputation as a knowledgeable and technically proficient designer.


As a Senior Architect and Project Manager, Ken plays an integral role in detailing and coordinating all aspects of project development. His experience with access control, security and mission critical projects covers a wise range of project types and sizes. 



Rosenblum Coe Architects welcomed Jerry Ballinger, AIA to the RCA team in Fall 2019. Mr. Ballinger is a registered architect with more than 35 years experience on a variety of project types including commercial, civic, higher education, K-12, medical office and multi-family residential projects.   He brings experience managing complex projects types such as performing arts center, veterinarian hospital and medical office buildings, a strong knowledge of code issues, and solid design sensibility, with experience on award winning projects.



Ryan Lewis joined the RCA team in July 2016 with 5 years of work experience in commercial, hospitality, and multifamily housing projects. Ryan provides Architectural support and is involved during the Construction Document phase, Design Development Phase and Contract Administration Phase. During his time at RCA he has worked on numerous projects and project types. He is currently working towards completing his Architectural licensure.

Associate AIA 


Andrew Horn joined the RCA team in December 2017. He provides Architectural support and is involved during the Construction Document phase, Design Development Phase and Construction Administration phase. He is currently working towards completing his Architectural licensure in South Carolina.

Associate AIA


Katie joined the RCA team in the fall of 2017 with experience in freelance marketing and graphic design work for non-profits and small businesses. As the marketing and administrative coordinator, Katie handles marketing materials, technical proposals and advancing the PR activities of the firm. 

Marketing & Admin Coordinator


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