John Rantz, PE
Principal, Co-Founder,
V.P. of Engineering,
CEI Manager
42 Years’ Road & Bridge CEI Experience:
TxDOT: 30 | Private Consultant: 12
TxDOT Precertifications: 4.1.1; 4.2.1; 4.3.1; 8.1.1; 10.1.1; 10.2.1; 11.1.1

John Rantz, PE, offers 42 years of transportation engineering experience. He serves as a Vice President of Engineering to deliver CEI services to TxDOT and municipal clients throughout northwest Texas. Rantz leads a customer-focused team that prioritizes communication and accountability to deliver quality projects and customer satisfaction. He understands the key challenges facing CEI and brings strong experience in both public service and private sector consulting. He serves as project manager on R2M’s prime contracts and fills a wide range of services as a team subconsultant. Among his many duties, Rantz can lead or support:

  • CEI Staff Schedules
  • Change Orders
  • Constructability Reviews
  • Estimates (monthly, final)
  • Final Plans
  • Progress Meetings
  • Project Phasing
  • Traffic Control Planning