John Redfern
President/CEO
925-371-3300
* 42 Years Industry Experience
* Licensed Contractor C27
Pedro Corona Jr
Director of Pre-Construction
925-371-3374
* 15 Years Industry Experience
* Licensed Contractor C8 & C27
* Const. Management Tech Cert
* OSHA 30 & SWPPP 24
John Hansen
Purchasing Manager
925-580-0782
* 27 Years Industry Experience
* Licensed Contractor C27
Ron Wichmann
Project Superintendent
925-525-0399
* 15 Years Industry Experience
* CPR/First Aid/Silica Certified
* OSHA 30
Shawn Walker
Vice President/DOC
925-580-0007
* 37 Years Industry Experience
* Licensed Contractor A, B & C8
* ICPI Certified
* CPR/First Aid/Silica Certified
Malia Robinson
Estimator/Project Manager
925-371-3374
* 9 Years Industry Experience
* B.S. Civil Engineering
* EIT Certified
Lynette Redfern
Accounts Payable/Safety
925-371-3306
* 18 Years Industry Experience
* CPR/First Aid/Silica Certified
*OSHA 30
Pedro Corona Sr.
Project Superintendent
925-580-0878
* 22 Years Industry Experience
* CPR/First Aid/Silica Certified
* OSHA 30
Rashelle Redfern
Vice President/CFO
925-371-3350
* 22 Years Industry Experience
* B.S./M.S. Psychology
* PHRca & SHRM-CP Certified
* OSHA 30
Sean Hean
Estimator/Purchasing Agent
925-784-6034
* 10 Years Industry Experience
* Backflow Certified
* Cross-Connection Specialist
* OSHA 30
Lisa Walker
Juan Corona
Project Superintendent
925-784-8301
* 22 Years Industry Experience
* CPR/First Aid/Silica Certified
* OSHA 30