Benito Caban, MSc, PE, Chief Operating Officer

Benito serves as Chief Operating Officer for Twining Consulting and provides leadership for the company’s largest and most notable projects. His guidance originates from the expertise he has gained in his 18 years in the industry. Under Benito’s direction, Twining Consulting has experienced quantifiable growth.

John Burke, Principal

John is a Principal at Twining Consulting, having started with the company as a field inspector. His career trajectory is commendable and gives John an unmatched perspective to properly manage projects and how that management approach ensures client satisfaction.

Dr. Andres Bernal, PE, GE, Senior Geotechnical Engineer

With more than 20 years’ experience, Andres serves as Senior Geotechnical Engineer for Twining Consulting. Andres’ outstanding career path consists of numerous projects where his efforts include project management and geotechnical engineering on education, residential, military, healthcare, and infrastructure projects. He has also co-authored multiple industry papers.

Jeff Johnson, Operations Manager

Jeff Johnson brings more than 21 years’ technical experience to Twining and currently serves as Operations Manager. His background as a special inspector and ironworker gives him a more comprehensive view when providing project oversight. He routinely ensures that all project needs are met and that our clients are completely satisfied with every aspect of Twining’s performance.

Michael Molina, Regional Client Services Manager

Michael is the Regional Client Services Manager for Twining’s San Bernardino and Ventura offices. He draws on his 20+ years of experience providing comprehensive service to clients, from the proposal stage to project closeout. His experience has given Michael the necessary insight to provide excellent client service through his industry knowledge and professional relationships.


Dr. Rouzbeh Afshar, PE, Project Engineer

Rouzbeh is Twining Consulting’s resident vibration monitoring expert, providing services in relation to the vibratory effects of heavy equipment used during construction. Rouzbeh’s impressive project experience includes mega projects in Las Vegas and San Bernardino and Los Angeles Counties. His knowledge and expertise is of immense value to Twining Consulting and our clients whose projects involve this emerging service.