James T. Ritter,      Principal Architect   Jim is NCARB certified and registered in Ohio, Kentucky, Indiana, and Michigan.  He has over 40 years of experience in  projects around the Greater Cincinnati area.  He specializes in the coordination of architectural, civil, mechanical, electrical, and plumbing systems for projects of any size.  Jim is the champion of “complete” design.

James T. Ritter,      Principal Architect

Jim is NCARB certified and registered in Ohio, Kentucky, Indiana, and Michigan.  He has over 40 years of experience in  projects around the Greater Cincinnati area.  He specializes in the coordination of architectural, civil, mechanical, electrical, and plumbing systems for projects of any size.  Jim is the champion of “complete” design.

  Donna Sheidt,             Office Manager   Donna has been active in the fields of accounting and office/business management for over 30 years and joined PDA on a full time basis in 2007.  She uses her vast experience to oversee project research, administration, and finances.  She is the heart and soul of PDA and guarantees to put a smile on your face.

Donna Sheidt,             Office Manager

Donna has been active in the fields of accounting and office/business management for over 30 years and joined PDA on a full time basis in 2007.  She uses her vast experience to oversee project research, administration, and finances.  She is the heart and soul of PDA and guarantees to put a smile on your face.

 
  O'sam R. Mardin,      Project Manager   O’Sam is NCARB certified and registered architect in Ohio.  He has completed institutional, residential, and commercial projects of many sizes around the country.  He prides himself on his problem solving ability, open communication, and ability to create design, renderings, and detailing to fit any aesthetic and budget. 

O'sam R. Mardin,      Project Manager

O’Sam is NCARB certified and registered architect in Ohio.  He has completed institutional, residential, and commercial projects of many sizes around the country.  He prides himself on his problem solving ability, open communication, and ability to create design, renderings, and detailing to fit any aesthetic and budget. 

 
  Jon Seswick,            Project Manager   Jon joined PDA in 2013 bringing a solid work ethic and creative talent that is evident in every project he handles. His background includes commercial, retail and residential projects in Ohio and Pennsylvania. He is also our in-house authority for all computer problems and questions.

Jon Seswick,            Project Manager

Jon joined PDA in 2013 bringing a solid work ethic and creative talent that is evident in every project he handles. His background includes commercial, retail and residential projects in Ohio and Pennsylvania. He is also our in-house authority for all computer problems and questions.

  Kenny Levick,           Project Manager   Kenny has a vast knowledge of 3D visualization and digital illustration, which includes teaching architectural graphics at Miami University in Oxford. He excels at communicating design graphically,  empowering clients to make critical and informed decisions for their projects.

Kenny Levick,           Project Manager

Kenny has a vast knowledge of 3D visualization and digital illustration, which includes teaching architectural graphics at Miami University in Oxford. He excels at communicating design graphically,  empowering clients to make critical and informed decisions for their projects.

  Heath Horn  ,             Project Manager   Heath has a broad range of experience in residential and commercial design and construction, and can expertly guide projects through environmentally sustainable programs and testing. He brings a passion for design while maximizing functionality and cost effectiveness.    

Heath Horn,             Project Manager

Heath has a broad range of experience in residential and commercial design and construction, and can expertly guide projects through environmentally sustainable programs and testing. He brings a passion for design while maximizing functionality and cost effectiveness.