Civil Engineering Department
Willette Tarkington
Project Manager
Email: willette.tarkington@rojoengineering.com
Willette Tarkington contributes extensive project management experience to the Civil Engineering department at Rojo Engineering. Known for her exceptional organizational skills and strategic thinking, Willette excels at overseeing complex civil projects from inception to completion. Her commitment to client satisfaction and her ability to lead diverse teams make her an invaluable asset to our company.
Bernard Greenstein
Project Manager
Email: bernard.greenstein@rojoengineering.com
Bernard Greenstein is a seasoned project manager with extensive experience in managing large-scale civil engineering projects. His ability to coordinate and lead teams, coupled with his deep understanding of project management principles, ensures the successful delivery of projects on time and within budget. Bernard’s proactive approach and strong communication skills make him a trusted leader at Rojo Engineering.
Rhoda Jackson, EIT
Field Engineer
Email: rhoda.jackson@rojoengineering.com
Rhoda Jackson is a recent graduate of The University of Arizona and known for her hands-on approach and thorough understanding of construction processes. Her expertise in site inspections, project coordination, and quality control ensures that all field operations run smoothly.
Beau Dennis, PE
Field Engineer
Email: beau.dennis@rojoengineering.com
Beau Dennis background is civil and environmental engineering projects. Beau moved to Tucson after graduating from UT Austin in 2020. His ability to manage on-site activities and ensure compliance with project specifications makes him a valuable asset to our field operations team.
Structural Engineering Department
Derek Mathewson, PE
Principal Project Engineer
Email: derek.mathewson@rojoengineering.com
With over 30 years experience, Derek Mathewson expertise is in project design and execution. He ensures that every project meets the highest standards of quality and efficiency. Derek’s attention to detail and innovative approach to problem-solving have earned him a reputation for excellence among clients and colleagues alike.
Joseph Jarrett
Junior Field Engineer
Email: joseph.jarrett@rojoengineering.com
Joseph Jarrett joined Rojo in 2024 after graduating from. UCSD. His hands-on approach and eagerness to learn ensure that field operations are conducted with precision and efficiency. Joseph’s commitment to quality and safety is evident in every project he undertakes. He has experience with structural engineering software such as Revit, SAP2000, and ETABS, which he uses to support project design and analysis.
Mechanical Engineering Department
David Watts
Project Engineer
Email: david.watts@rojoengineering.com
David Watts specializes in the design and analysis. With a keen eye for detail and a passion for innovation, David contributes to the development of efficient and reliable HVAC, plumbing, and mechanical solutions. His technical expertise and dedication to sustainability make him a key member of our engineering team