Daniel G. Quackenbush established Quackenbush & Associates, Inc. (Q&A) in 1997.  Q&A is a construction consulting firm specializing in construction claims analysis and presentation. 

An article from the 8/22/14 Miami Seminar Group Seminar is available for download by clicking here

"Shattering the 'Windows Schedule Analysis' Method"


Educational Background: 

Bachelor's Degree
University of Kansas, School of Architecture (1975)

Registrations and Associations:

Registered Architect - Kansas, USA
AAA Arbitrator

Dan Quackenbush provides a variety of services including:
  • CPM scheduling
  • Training in construction management
  • CPM schedule and delay analysis
  • Construction claims preparation and presentation 
  • Analysis and refuting of erroneous construction claims
  • Q&A provides evaluation of the performance of most of the parties to the construction process


Executive Consultant

 Educational Background:
Bachelor of Architecture, Kansas State University (1971)
J.D., Antioch School of Law, Washington, D.C. (1977)

John Devaney:
  • Provides evaluations of the performance of parties involved in a construction project based on the standards established in the contract documents and the customs and practices of the industry
  • Is responsible for the formulation and expression of opinions on the adequa­cy of the performance, including the areas of construction contract administration, change order evaluation, the use of critical path method schedule analysis for delay claims, evaluation of lost labor productivity and the resulting proof of damages
  • Provides assistance in the discovery of technical information necessary for the analysis and formulation of opinions regarding construction claims, assist in the preparation for and presentation during settlement negotiations and mediations
  • Provides expert testimony at arbitration and trial.