HULTGREN - Key Persons
Mr. Yu provides geotechnical engineering consultation for flood control levees, dams, repair of landslides, marsh restoration projects, seismic hazard evaluations, hydraulic structures, marine and waterfront structures, and commercial development. He has designed several new Bayfront levees for restoration projects including Sears Point and Bel Marin Keys. He is a technical leader and is proficient with the use of analytical methods and modeling related to slope stability, retaining structures, deep foundations, settlement, seepage, and seismic hazards.
Job Titles:
- Principal Engineer
- Vice President
Job Titles:
- President / Senior Principal Engineer
Mr. Tillis is responsible for day to day operations, while concurrently managing and overseeing numerous geotechnical engineering projects each year. His experience includes management of complex levee, dam and earthwork projects for local and state agencies. His recent experience includes planning, design and implementation of construction for over 100 miles of levees in the Sacramento-San Joaquin Delta. He has an excellent track record for pushing projects through the design phase into and through the completion of construction. Construction contracts for his levee improvement projects exceed $25 million over the past five years.