Our Staff

Over 150 years total of experience in managing water projects helps us understand how to meet your needs.

Mohammed Hasan, P.E., F. ASCE



Background: A licensed professional engineer and Registered Environmental Assessor and a fellow of the American Society of Civil Engineers. He received two masters degrees from the University of Iowa and is recognized as an authority on water; was chief of utilities for the City of Oxnard.


Areas of expertise

  • Water and wastewater engineering 
  • Stormwater pollution prevention plans
  • Transportation engineering
  • Negotiations

Contact    m.hasan@hasanconsultants.com



Richard L. Herrera, T.E., PTOE

Traffic Manager


Background: A licensed professional engineer and Professional Transportation Operational Engineer. He received  his degree in civil engineering from CSULB. He has served in Caltrans, County of Ventura and the City of Oxnard..


Areas of expertise

  • Traffic and transportation engineering 
  • Traffic Impact studies
  • Transportation engineering
  • Negotiations

Contact    info@hasanconsultants.com



Max Copenhagen, P.H.
Watershed Manager


Background:  Over thirty years of professional experience in assessment, planning and restoration of lands affected by fire and flood, a graduate of the University of California with an MS degree from Humboldt State University, certified by the American Institute of Hydrology.


Areas of expertise

  • Erosion Control
  • Post-fire Stabilization
  • Land Management Planning
  • Government Relations and Permits

Contact    mcopenhagen@hasanconsultants.com



Mark Capron, P.E.

Environmental Manager



With an MS in Structural Engineering from the University of California, Mark has 20 years of experience in wastewater treatment in Ventura County.  He is a member of the American Geophysical Union with numerous publications and patents. 


Areas of expertise

  • Ocean Engineering
  • Wastewater Treatment
  • Wind and Wave Energy 

Contact    mcapron@hasanconsultants.com



Robert Villaneuva, P.E.

Senior Civil Engineer


Background: Robert attended UCLA and has over 35 years of experience in planning, analysis, design, and construction of major civil engineering projects, including pump stations, pipelines, and reservoirs.  


Areas of expertise

  • Water and Wastewater Systems 
  • Field Applications and Technology
  • Project Management

Contact    rvillaneuva@hasanconsultants.com



John Mundy

Water Resources Manager 


Background: Mr. Mundy is well known all over Southern California for his expertise in water and wastewater. Having served in public agencies for many decades, he is now ready to help both public agencies and private enterprises. 


Areas of expertise

  • Water and Wastewater Management 
  • Operations and Maintanence
  • Project Management

Contact   info@hasanconsultants.com


John S. Weigle

Public Relations Manager


Background: Mr. Weigle has served as the copy editor for the Ventura County Star. He also many years of experience in pulic  relations. He .is involved with development of online training programs and seminars


Areas of Expertise

  • Training
  • Human Resources
  • Information Management 

Contact    info@hasanconsultants.com


Steven Birge

Steven Birge

Civil Engineer


Background: Mr. Birge has twenty nine years of professional experience in Civil Engineering, surveying and management.  Areas of expertise include construction inspection, storm drainage analysis and design, land development, grading, street improvement, water distribution, sewer system and computer programming. 

Caroline Ramirez

Office Manager

Contact   info@hasanconsultants.com



Contact Us or Make an Appointment

For answers to your questions, or to schedule an appointment, please call us at:

(805) 218-5574

or send a fax at:

(805) 639-0307  

or send us an email at:



Community Involvement

We actively support the following local organizations


  • Boys and Girls Club of Ventura
  • Rotary International
  • Ventura County Science Fair
  • Ventura Youth Employment Service
  • El Rio Royals Jr. Soccer Team
  • California Regional Migrant Student Education

Professional Affiliation

We are proud to be members of the following professional organizations:

  • American Waterworks Association (AWWA)
  • American Society of Civil Engineers (ASCE)
  • American Public Works Association (APWA)
  • Association of Water Agencies of Ventura County  (AWA)
  • Channel Counties Water Utilities Association

News & Events