Key Personnel


President and Principal Architect

Charissa holds an undergraduate degree in Architecture from the University of Maryland and a Master of Architecture degree from The Ohio State University. She is a registered architect and architectural historian with over 30 years of experience in architecture and cultural resources management. Charissa established the firm in 1990, and currently focuses on the rehabilitation of historic buildings, including new additions, as well as new design in historic neighborhoods. In addition, she is the firm’s preservation planner. Charissa is NCARB-certified and a Leadership in Energy Efficient Design™ (LEED®) accredited professional. She is also a founding member of the American Cultural Resources Association (ACRA).

  • Vivian Majtenyi

    Vivian Majtenyi

    Project Manager

    Vivian Majtenyi returned to HDC in March 2023. HDC was her first full-time architecture position in 1999. During her 14 years at HDC, she traveled the country to complete facility assessments on Air Force Materiel Command installations and conducted research and documentation of historic buildings on navy bases. Vivian worked alongside Charissa Durst on the initial fieldwork at the Woodward Opera House through the rehabilitation of the second floor. She was also the project coordinator for both the addition to and renovation of the Lincoln Theatre and the addition and renovation of Stewart Elementary School. Vivian earned an undergraduate degree in Studio Art from the University of Georgia and a Master of Architecture degree from the University of Virginia. She also obtained her architecture license in 2011.

  • John Creasy

    John Creasy

    Project Manager

    John joined HDC after a diverse career as a Project Coordinator/Team Leader, Construction Administrator, and CAD Operator on government, educational, institutional, retail, food service, and residential projects across the country. His experience includes site and building fieldwork/assessments, preparing specifications and cost estimates, and working with zoning, permitting, and building code issues. John has managed the production of construction documents for many of HFC’s projects, ranging from interior renovations for the General Services Administration to the rehabilitation of historic opera houses. John earned a Bachelor of Architectural Design from the University of Florida in Gainesville.

  • Ziti


    Office Pup

    Ziti joined the office as a puppy in 2019 as a rescue from Tails of Hope in Cincinnati. She is registered as a beagle with the American Kennel Club for purposes of participating in FastCAT races. In 2021 was ranked as the fastest beagle in America, running just over 26 miles per hour. Ziti comes to the office every day and when the weather is not too hot, she will visit job sites as well. Ziti is also active in agility and has successfully moved out of Novice into the Open category in both Standard Agility and Jumpers With Weaves. She was thrilled to have been invited to run in the third national AKC FastCAT event in Orlando December 13-17, 2022, placing #1 for Beagles and #9 overall in Speed of the Breed. Ziti anticipates moving forward in Agility and FastCAT runs and looks forward to being invited the the AKC FastCAT Invitational in 2023.