David Siebold was named a Principal of the firm in January of 1999. He has directed several major projects for HGF in recent years, including the $32 Million, Call Center in Tampa, Florida for Progressive Insurance. He was also project architect for the additions and renovations to three Progressive buildings at Alpha Park in Highland Heights, the new Monarch School and the interior renovation of the Squire Sanders law offices in Cleveland David Siebold joined the firm upon receiving his B.Arch. from Kent State University in 1979. He left in 1988 to become a project architect for Tower City Center and Bank One Center, returning to HGF in 1992. David Siebold is a Registered Architect in the State of Ohio and a member of the American Institute of Architects and the International Facility Management Association (IFMA) – Northern Ohio Chapter.