Chris Decker
Project Manager, Principal

  • More than 15 years construction experience
  • Graduated UF Rinker School of Building Construction Master’s Program
  • Graduated UF Warrington School of Business Admin Bachelor’s Program
  • 30 Hour OSHA Certified & First Aid/First Responder Certified
  • Licensed Certified General Contractor – # CGC1522815

Notable Experience:

  • UF Health Shands LDR Renovations
  • UF Law School – Bruton Geer & Holland Law Renovations
  • The Continuum – UF Graduate Student Housing
  • GRU Eastside Operations Center (HVAC & Plumbing)
  • Vet Med Small Animal Hospital (HVAC, Plumbing, & Med Gas)
  • Asian Art Wing at UF Harn Museum (HVAC & Plumbing)
  • Trade PMR Corporate Headquarters



Michael Calsam
Superintendent, Principal

  • More than 15 years construction experience
  • OSHA Certified
  • LEED Certified AP BD+C
  • Graduate of Santa Fe College Construction Program – 2008

Notable Experience:

  • Completed over 600 commercial projects throughout career
  • UF Holland and Bruton Geer Law Renovations
  • UF Parking Garage Repairs (2006-2010)
  • MSB 3rd Floor OBGYN Laboratory Remodel
  • UF Health Shands Labor, Delivery & Recovery Gainesville
  • UF Human Development Building Pediatric Oncology Renovations


Karlin Warkentin
Project Manager

  • 7 years construction experience
  • Master in Urban and Regional Planning 2016
  • Master of Construction Management UF M.E. Rinker School of Construction Management
  • OSHA 30-hour Certified
  • HAZWOPER 40-hour Certified

Notable Experience:

  • UF Health Shands Radiation / Oncology
  • UF Health/ Shands active hospital construction projects
  • Depot Park - Gainesville Community Redevelopment Agency
  • Bo Diddly Plaza for Gainesville CRA


Kevin Apathy

  • More than 44 years of construction industry experience

Notable Experience:

  • UF Halland Law Renovations Gainesville
  • UF Bruton Geer Experiential Law Center Gainesville
  • Moe’s and Chili’s Buildouts at UF Hub
  • Robinson Law at 720/Ayers Building (Innovation Square)
  • UF Call Center at 720/Ayers Building (Innovation Square)



Kris Terhorst

  • Over 14 years construction experience
  • Graduate of SFC Carpentry Aprenticeship Program

Notable Experience:

  • UF Health Shands Labor & Delivery Recovery Suites
  • UF Health Shands Radiation / Oncology
  • Gatorland Toyota Dealership
  • Mercedes-Benz Dealership


Eric web

Eric Jones

  • More than 44 years constuction industry experience
  • Supervised ground-up construction in Florida, Georgia and the Bahamas

Bob Bailey

  • More than 22 year experience in commercial and industrial construction experience.

Notable Experience:

  • Dick Mondell's Burgers & Fries
  • UF Tigert Hall 3rd Floor Renovation Gainesville
  • Gibson Guitar Entertainment Relations Studio Orlando
  • Essroc/Capitol Cement Major Plant Expansion Martinsburg, WV.
  • Dickerson Station Artificial Gypsum Processing Facility Frederick, MD.

Pete web

Richard "Pete" Peterson
Assistant Superintendent

  • More than 12 years experience as equipment .

Notable Experience:

  • UF Law Shools - Holland Law & Bruton Geer


David Williams

  • More than 35 years construction and carpentry experience



Ginger West
Office Manager / Contract Administrator

  • More than 16 years of construction industry experience
  • Over 13 years in account management 
  • 7 years of demolition and environmental remediation project experience


BANCF    usgbc logo hipaa-certifiedosha                 



Follow Us:  FB-f-Logo  blue 29

Cloud Server Login

J. E. Decker Construction Group, LLC
P.O. Box 358973
Gainesville, FL 32635
Office: 352.448.1428
Fax: 888.456.2695