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John Redfern

President/CEO

925-371-3300

  • 40 Years Industry Experience

  • Licensed Contractor C27

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Rashelle Redfern

Vice President/CFO

925-371-3350

  • 20 Years Industry Experience

  • B.S. /M.S. - Psychology

  • PHRca Certified

  • OSHA 30

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Pedro Corona Jr

Senior Estimator

925-371-3374

  • 13 Years Industry Experience

  • Licensed Contractor C8 & C27

  • Const. Management Tech Certified

  • OSHA 30 & SWPPP 24

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Lynette Redfern

Accounts Payable/Safety Director

925-371-3306

  • 16 Years Industry Experience

  • OSHA 30

  • CPR/First Aid Certified

  • Silica SafetyTraining

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Lisa Walker

Accounts Receivable

925-766-0716

  • 16 Years Industry Experience

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Ron Wichmann

Project Superintendent

925-525-0399

  • 13 Years Industry Experience

  • OSHA 10

  • CPR/First Aid Certified

  • Silica Safety Training

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Juan Corona

Project Superintendent

925-784-8301

  • 20 Years Industry Experience

  • CPR/First Aid Certified

  • Silica Safety Training

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Shawn Walker

Vice President/DOC

925-580-0007

  • 35 Years Industry Experience

  • Licensed Contractor A, B & C8

  • CPR/First Aid Certified

  • Silica Safety Training

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Michael Walker

Director of Estimating/Business

209-610-0066

  • 38 Years Industry Experience

  • Licensed Contractor B

  • CPR/First Aid Certified

  • OSHA 30

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Malia Robinson

Estimator

925-371-3374

  • 7 Years Industry Experience

  • B.S. - Civil Engineering

  • EIT Certified

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John Hansen

Purchasing Manager

925-580-0782

  • 25 Years Industry Experience

  • Licensed Contractor C27

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Sean Hean

Estimating/Purchasing

925-784-6034

  • 10 Years Industry Experience

  • Backflow Certified

  • Cross-Connection Specialist

  • OSHA 30

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David Peterson

IT - Hacienda Data Systems

925-371-3300

  • 25 Years Industry Experience

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Pedro Corona Sr

Project Superintendent

925-580-0878

  • 20 Years Industry Experience

  • CPR/First Aid Certified

  • Silica Safety Training

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