Contact Information

  • Company: DAAS Inc
  • Phone: 216 291 0386
  • Cell: 440 264 3638
  • Fax: 216 291 2823
  • Website: daasinc.dudaone.com/
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Specialties & Experience

General Specialties: Automotive and Mining

Specialty Focus: Tire Development, Tire Performance, Tire Failure analysis, Tire Formulations, Tire Design, Rubber Processing, Tire Manufacturing, Tire Vulcanization, Giant Earthmover Tires, Farm Tires, Truck Tires, Passenger Tires, Tire Retreading, Mining Tire Operations, Tire Defects

Education: BA Chemistry, University of Colorado

Years in Practice: 50+

Number of Times Deposed/Testified in Last 4 Yrs: 3<


Additional Information

Leighton Spadone is the President of DAAS Inc. a Tire Technology and Statistical Analysis consulting company. He trains and consults tire companies on Tire design, Tire materials and compound formulations, tire curing, rubber processing, quality control, tire, compound, and materials testing, experimental design and analysis, and defects. He has authored numerous tire technology conference papers for the ACS Rubber Division, ITEC, and JMP Discovery including Truck & Passenger Tire Testing, Treadwear prediction, Rubber Mixing, and Earthmover TMPH. Articles have been published in Rubber and Plastics News and The Quality Digest. He has specialized training in Statistics, 6-Sigma, Management, and SAS & JMP statistics and programming. He has Expert Witness training and experience. Employed by Goodyear Tire & Rubber Co in International Technical Service and Domestic Tire Development for 43+ years and by Eurotire Inc for 6 years as the Chief Technical Officer. l