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About Us

We bring experience and efficiency to every project, and we strive to build effective, long-term working relationships. We build a responsive team designed specifically for your needs and focused on your requirements. You will always have a regular and trusted point of contact throughout the complete life cycle of your project.


Baseline’s staff includes professional geologists and environmental engineers. Read about our expertise and qualifications below.

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Patrick Sutton
Principal Environmental Engineer, PE
M.S., Civil and Environmental Engineering

Patrick is the Principal of Baseline Environmental Consulting and specializes in the assessment and remediation of hazardous materials released into the environment. He has managed numerous air quality and hazardous materials assessments for transportation, school, and in-fill development projects. His proficiency in a wide range of technical software allows him to thoroughly and efficiently assess and mitigate environmental concerns. 

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William Scott
Senior Field Geologist, PG, CHg, CEG
B.S., Geology

Bill has been with Baseline for more than 30 years and has managed field activities for more than 150 groundwater and hazardous waste investigations and remediation projects. He also has performed mitigation monitoring for large-scale construction projects and conducted environmental audits of public and industrial facilities. He has also managed and conducted numerous environmental investigations for soil-gas, soil, and groundwater.

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Cem Atabek
Senior Environmental Engineer 

B.S., Environmental Engineering 

Cem Atabek is an Environmental Engineer with over 15 years of environmental consulting experience. He has managed numerous hazardous materials site assessments, investigations, and remediation, including soil gas mitigation. He also has experience conducting CEQA analyses of hazards and hazardous materials, hydrology and water quality, and geology and soils issues for a wide variety of land-use projects.

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Yilin Tian
Environmental Engineer
PhD, Environmental Science and Engineering

Yilin is an Environmental Engineer, specializing in air quality, greenhouse gas emissions, and noise analysis. Prior to joining Baseline, she worked as a postdoctoral researcher at University of California, Berkeley for 4 years. Her areas of expertise include air quality, sources and transport of pollutants in the built environment, and human exposure assessment. She is familiar with air pollution models such as CalEEMod and AERMOD, and state/local environmental regulations.


Johnathan Rizzo-Mosbaugh
Environmental Scientist

B.S., Environmental Science and Management

Johnathan Rizzo‐Mosbaugh is an Environmental Scientist with a focus on environmental planning and policy. Prior to joining Baseline, he received his education at Cal Poly Humboldt. During his studies he learned a variety of planning topics, including information on government planning agencies, conflict resolution, ecology, GIS, CEQA, NEPA, environmental law, and a broad range of scientific disciplines. As he continues to work at Baseline he is putting his skills to use on a wide variety of projects at the company.

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Melinda Bury and Kathy Mertz

Officer Managers/Accounting

Together, Melinda Bury and Kathy Mertz have managed Baseline’s office and accounts for over 30 years. They manage and process the company accounting, payroll, human resources, and project contracting. Their duties also include editing and production of all types of technical documents. Kathy received her BA in English from UC Berkeley and Melinda studied at Connecticut College for Women.

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