A Quick Look:

Jon T. Leuthaeuser, PE, LEED AP – Senior Associate
Registration: Professional Engineer – State of Ohio 2001
Bachelor of Science in Civil Engineering – Ohio University, 1995

Professional Affiliations:

  • Member: American Institute of Steel Construction
  • Member: Structural Engineers Association of Ohio
  • Member: Cold-Formed Steel Engineers Institute


Mr. Leuthaeuser is a Senior Associate with the firm. His experience has been in structural design for commercial and institutional projects. Mr. Leuthaeuser is proficient in Revit.


Mr. Leuthaeuser has been associated with Barber & Hoffman Inc. since 1996. In his years with the firm, he has developed from structural designer to Project Manager. He became an Associate with the firm in 2008, and then advanced to Senior Associate in 2011.

Key Projects:

cleveland medical martCleveland Medical Mart and Convention Center — Cleveland, OH
A $465-million medical mart and convention center complex. The five-story, 235,000-square-foot medical mart will provide permanent showrooms for medical manufacturers. The underground convention center features 230,000 square feet of exhibit space with 30'-high ceilings and 90' column spacing. Above the convention center at grade level will be 12.5 acres of public green space.

Cleveland Museum of Art - Addition and RenovationCleveland Museum of Art — Addition and Renovation — Cleveland, OH
Renovation and alteration of several existing buildings, and the addition of new buildings for offices, galleries and utilities. Much of the existing renovated space will be unified with the new space to improve circulation and increase gallery space. The current design calls for renovating the existing historic original 1916 and Breuer Building, the addition of a new gallery building, and a central utility plant.

John Carroll University - Dolan Science CenterJohn Carroll University — Dolan Science Center —University Heights, OH
A three-story, 265,000-square-foot facility. The atrium serves as the centerpiece of the facility with a two-story reading room and 250-seat auditorium. At the center of the atrium is a 50' x 50' skylight, supported by bisecting arched trusses. Construction consisted of a steel-framed structure with framed concrete ground floor, above a 105-space parking garage. Mass damping hangers were utilized in the science laboratory wing of the building to minimize vibrations for the sensitive laboratory equipment.

Cleveland Clinic - Lerner Research InstituteCleveland Clinic Foundation — Lerner Research Institute — Cleveland, OH
The Lerner Research Institute is a 480,000-square-foot state-of-the-art research and education facility. The facility consists of three buildings, six stories high forming a U-shape. The facility is comprised of: a research wing, a biomedical engineering wing, and an education wing (which includes a library, offices, and lecture rooms). A pedestrian walkway links the open end of the Center; and additional walkways link with an existing parking garage and with the existing laboratory building adjacent to the Center.

Additional Project Experience:


  • Cleveland Clinic Foundation — Lerner Research Institute, Cleveland, OH
  • Cleveland Clinic Foundation — Cole Eye Institute,
    Cleveland, OH
  • University Hospitals Health System — NICU Renovation, Cleveland, OH
  • Camden-Clark Memorial Hospital — Addition, Parkersburg, WV
  • Bucyrus Hospital, Bucyrus, OH
  • Hillcrest Hospital — West Wing Addition, Mayfield Hts., OH
  • Parma Community General Hospital — ICU Addition,
    Parma, OH
  • Lakewood Hospital — Emergency Room Addition,
    Lakewood, OH
  • VA Wade Park — ICU Addition, Cleveland, OH
  • East Ohio Regional Hospital — Surgery Addition and Parking Structure, Martins Ferry, OH
  • Cleveland Clinic Foundation — "M" Building, Cleveland, OH


  • John Carroll University — Dolan Science Center, University Heights, OH
  • Cuyahoga Community College — Center for Innovation in the Arts, Cleveland, OH
  • Muskingum College — Walter K. Chess Collegiate Center,
    New Concord, OH
  • Achievement Center for Children, Highland Hills, OH


  • Cleveland Museum of Art — Addition and Renovation, Cleveland, OH
  • Virginia Sports Hall of Fame and Museum, Portsmouth, VA
  • Clemens Center, Elmira, NY
  • Willoughby Headquarters Fire Station, Willoughby, OH
  • Bay Presbyterian Church — Addition, Bay Village, OH


  • South Franklin Circle — Retirement Community,
    Chagrin Falls, OH


  • Northeast Ohio Regional Sewer District — Office Building, Cleveland, OH
  • Cuyahoga County Animal Shelter, Valley View, OH
  • Research Lab and Office Facility, New York


  • Meridian Condominiums — Parking Structure Investigation, Cleveland, OH