The KG+D team is comprised of highly qualified professionals with diverse experience and the refined technical expertise to deliver the highest quality of services to our clients. The firm is led by firm principals and owners, associate principal and interior designer and associates:

  • Russell A. Davidson, FAIA – President
  • Erik A. Kaeyer, AIA, LEED AP – Vice President
  • Walter P. Hauser, AIA – Principal
  • Sarah Weissman Dirsa, AIA, LEED AP, NOMA – Principal
  • Brian O. Mangan, AIA – Principal
  • Travis S. Schnell, AIA – Principal

Associate Principal:

  • Susan D. Davidson, Associate AIA – Director of Interior Designer


  • Andrew Allison
  • Robert A. Fendler, Associate AIA
  • Teresa S. May, AIA
  • Patrick J. Meaney
  • Frederick P. Wells, RLA

In addition to our in-house team, KG+D works with a regular group of specialty sub-consultants that complement and function as an extension of the KG+D team. Together, our team can provide any necessary professional services through a highly coordinated team approach that leverages each individuals and specialty’s specific expertise and diversity of talent.