About Nibbi

Tonya Johnson

Director of Quality Assurance & Quality Control

In 2022, Tonya Johnson joined Nibbi as the Director of Quality Assurance & Quality Control. With an extensive background as a Geotechnical Engineer, QC Manager, and QC Director, Tonya has lent her expertise to diverse projects across the United States, including Washington, Florida, Oklahoma, and Hawaii. Her wealth of experience in engineering and vast knowledge of QAQC practices for federal, commercial, and residential projects make her a valuable asset to Nibbi’s clients and their development endeavors.


  • Master of Science, Civil Engineering—University of Hawaii at Manoa, Manoa, HI
  • Bachelor of Science, Business Management—Arizona State University, Tempe, AZ