Environmental Managers & Auditors
services capabilities personnel clients contact

EMA has highly qualified and experienced personnel from various disciplines.



MPH, Epidemiology
University of California, Berkeley, 2000

National Institute of Health (NIH) Postdoctoral Research, Cancer Epidemiology
University of California, Berkeley, 1982

Ph.D., Health Policy Analysis and Modeling
University of California, San Francisco, 1979

B.A., History/Zoology
University of California, Los Angeles, 1968


Dr. Ozaki has been active in environmental consulting for the past twenty years. He is a public health specialist engaged in health risk assessment work for hazardous waste sites. He developed and managed Levine!Fricke's Risk Group and is currently the Director of the Public Health Risk Assessment Services at (SOMA). His experience includes providing both technical and management support for EPA Superfund endangerment assessments and baseline risk assessments in Region IX, as well as for State Superfund baseline risk assessments in California, and other states. He has prepared site-specific quantitative multimedia risk assessments as part of the RI/FS process for various sites on EPA's National Priorities List (NPL). As part of these evaluations, Dr. Ozaki has performed data evaluations in order to identify chemicals of concern, developed toxicological profiles, performed exposure assessments and quantified the risks associated with the site. Dr. Ozaki has also provided technical support to the EPA in Region X on a multimedia exposure assessment model to verify soil remediation at Federal-lead hazardous waste sites. His work included the preparation of algorithms required to quantify risk at various stages of remediation...

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B.S., Chemical Engineering
University of Maryland (1980)

American Institute of Chemical Engineers

American Chemical Society

National Asbestos Council

Registered Environmental Assessor (R.E.A., No. 1382), State of California

National Society of Professional Engineers


Mr. Mahmood has over twenty years of diversified engineering and management experience in the environmental field. Emphasis has been in hazardous waste site investigations, environmental audits, closure plans, real estate environmental assessments, RCRA Part B application, waste minimization, and remediation. Mr. Mahmood has direct experience in the oversight of remedial investigations, feasibility studies, remedial design, and implementation activities for variety of hazardous waste sites under Federal and State auspices...

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Ph.D., Hydrology and Water Resources Engineering, Department of Civil and Environmental Engineering
Utah State University (1984)

M.S., Irrigation Engineering
Utah State University (1980)

B.S., Soil Science
Tehran University, Iran (1970)

Utah State University Post-Doctoral Fellow, 1984-1985

Utah Water Research Laboratory Research Assistant, 1981-1984

Agricultural Development Bank of Iran, Soil Scientist, 1972-1978

Soil Institute of Iran, Soil Analyst, 1970-1972


Dr. Sepehr is a California registered professional engineer (PE). During the last 20 years, he has performed extensive work in the quantitative assessment of contaminant transport. He has broad experience in groundwater flow modeling, chemical plume definition, site characterization, and remedial investigation and feasibility studies of hazardous waste sites. he has used his expertise in litigation support for identifying potential responsible parties and cost recovery purposes. He has designed and implemented numerous groundwater and vapor extraction systems for remediation of volatile organic compound-affected aquifers and soils. he has considerable experience in design and interpretation of aquifer tests, well logs, and geologic cross sections. His major areas of expertise are hydrogeologic investigations;, surface water and groundwater hydrology and contaminant fate and transport modeling.

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M.S., Environmental Engineering
South Dakota State University, Brookings, 1991

B.S, Civil Engineering
Bangalore University, India, 1983

State of California Registered Environmental Assessor

U.S. Environmental Protection Agency,
Asbestos Hazard Emergency Response Act (AHERA)

American Society of Civil Engineers

American Water Works Association

Water Pollution Control Federation


Mr. Banaji is an environmental engineer with over fifteen years of diversified experience in wastewater engineering, air monitoring, and hazardous waste management for industrial, State and Federal projects.

His experience includes developing detailed technical documents for U.S. EPA Superfund sites and performing environmental assessments for commercial and industrial facilities such as chemical and petroleum complexes. Mr. Banaji also has two years of experience as a wastewater treatment plant engineer at an advanced wastewater treatment facility.

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M.D., Doctor of Medicine
Southwestern University, 1989

Master of Science in Chemical Engineering
University of Arizona, 1979

Bachelor of Science in Chemical Engineering
Cebu Institute of Technology, 1974

Post Graduate Research Work in Environmental Science and Public Health
California State University at Northridge

Registered Professional Engineer in the State of California

American Chemical Society

American Institute of Chemical Engineers

President, Medicine Class of 1989, Southwestern University

Fulbright-Hays Fellow/Grantee, U.S. Department of State

Member, National Environmental Health Association

Member, National Society of Professional Engineers

Member, World Filtration Society, Brussels, Belgium,

Most Outstanding Alumnus, Cebu Institute of Technology, 1986

Engineer of the Year, H.R. Textron, 1983

Outstanding Engineering Awardee, H.R. Textron, 1982

Adjunct Lecturer, Biomedical Science and Engineering and Medical
Epidemiology, Southwestern University

Adjunct Lecturer, Chemical Engineering, Cebu Institute of Technology



Mr. Gecosala has over twnty five years of diversified experience covering various fields including human and environmental toxicology, epidemiology, risk assessment, hazardous waste management, and site mitigation, project engineering and management, environmental and industrial chemicals, bioremediation, public health analysis, industrial hygiene, emergency response and process engineering....

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Director of Marketing & Communications


Bachelors of Science, Business Management
Univeristy of Phoenix, 2008

Vice President Award for Outstanding Contributions to American Advertising

Newspaper Lead Story: Young Successful Entreprenuer
San Fernando Business Journal, 2008


Mr. Diaz has been involved in advertising, marketing and technology for over a decade. Mr. Diaz has lead the marketing department for Environmental Managers since 2005 and since then has modernized all internal processes and workflows, engaged in advertising and online marketing campaigns and streamlined report processing procedures. We are now able to post completed reports online in a secure file server where our clients can securely access their reports for up to one year after it was completed. Mr. Diaz has also rebranding and updated our logo and marketing materials.



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