About Us

Gary D. Hammer, President

B.S. Engineering, Construction Management College
University of Nebraska Lincoln
  • 13 years experience in residential and commercial waterproofing including joint sealants, waterproofing & masonry restoration
  • 15 years experience in Design Build and Construction Management in the Environmental Industry

Ronald "Bud" Schmidt, ii, Operations Manager

Responsible for all Company Operations to include scheduling, planning and Customer relations and oversees Safety.
  • 22 years construction experience.

Matt Johnson, Estimator

Responsible for all project estimating

  • 8 years of estimating experience
  • 11 years of construction experience

Aaron Pritchett, Residential Project Foreman

  • 8 years experience in waterproofing and drain tile installation. 

Tim Nippert, Senior Project Foreman

Responsible for site production, supervision of field tradesman.
  • 15 years experience performing joint sealants, waterproofing, specialty floor coatings and masonry restoration.  

Shane Thonvold, COMMERCIAL Project Foreman

Responsible for supervising site crews and performing work at the site.
  • 10 years experience performing joint sealants, waterproofing, specialty floor coatings and masonry restoration.  

Steve Duffield, Commercial Project Foreman

Responsible for supervising site crews and performing work at the site.

  • 8 years experience performing joint sealants, waterproofing, specialty floor coatings and masonry restoration.  

Rich Walsh, Lead Man

Responsible for supervising site crews and performing work at the site.
  • 23 years experience in masonry installation and masonry restoration.

In addition to the key personnel we have a total of 12 laborers working at Senegal Specialty Contracting, LLC.