Kenneth K. Hekimian

Founder & Principal Engineer

Over 45 years of diversified professional experience in a variety of phases of civil and environmental analysis, planning and engineering.  Pioneered engineering design and environmental studies for transfer/recycling centers, sanitary landfills and underground tank facilities.  Last thirty years have concentrated on environmental engineering, primarily associated with hazardous waste, dry cleaning facilities and underground fuel tank regulatory compliance, and expert testimony associated with recycling of hazardous materials, surface and subsurface soil and water contamination, including planning and supervision of site assessment of soil and groundwater, remediation by excavation and treatment, bioremediation and restoration of petroleum-contaminated and PCE-contaminated aquifers.  Designed/installed many methane gas barriers in Los Angeles City and Los Angeles and Orange Counties.

B.S.   -    Aeronautical Engineering, Rensselaer Polytechnic Institute, Troy, NY

M.S.  -    Mechanical Engineering, Northeastern University, Boston, MA

M.S.  -    Operations Research/Business Administration, University of Southern California

Ph.D. -   Systems and Environmental Engineering (Management Minor), University of Southern California, Los Angeles, CA
(Thesis: "A Systems Engineering Approach to Environmental Quality Management; with Emphasis on Solid Waste Management")

Mary Ann Arias

Senior Project Manager / California Licensed Professional Geologist #8109

Se Habla Espanol

Originally from the northeast, Ms. Arias has established roots here in Southern California.  Within California, she has over 20 years of diversified professional experience in a variety of phases of subsurface investigation, planning and site closure for privately-owned or federally-owned sites throughout Los Angeles and Southern California.  Specializes in site preparatory work for earmarked for development.

Expert in aquifer fluid dynamics, soil chemistry, engineering soil properties, and health and human risk assessments.  Able to advance sites rapidly through all phases of the site closure process.  Managed to closure sites with petroleum distillates and additives, chlorinated solvents, chromium plating and by-products, and pesticides.  Managed over 100 contaminated sites within Los Angeles County.

B.S.   -   Geology, Cornell University, Ithaca, NY



Our Vision

HVN Environmental Service Co., Inc. (HVN) focuses on delivering solutions to the environmental challenges of our clients while providing them with the highest level of service.  We concentrate exclusively on environmental engineering and construction services.

We have direct experience with site assessments and remedial activities for public and private clients.

As we continue to grow, we place the highest value on:

  • Our community where we want to set an example of environmental leadership
  • Our team for whom we provide a positive and challenging environment
  • Our customers who depend on our professional services

Learn More About Our Services

Find out what services we offer