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 include environmental engineers, geologists, and environmental scientists.
The Baseline Team
Patrick Sutton
Principal Environmental Engineer, PE
M.S., Civil and Environmental Engineering
Patrick is an environmental engineer with over 20 years of experience specializing 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.
Cem Atabek
Senior Environmental Engineer
B.S., Environmental Engineering
Cem is an Environmental Engineer with over 20 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.
Klaudia Barberi
Senior Geologist, P.G.
M.S., Hydrogeochemistry
Klaudia is a California licensed geologist with over 20 years of experience specializing in Phase I and II Environmental Site Assessments. She manages and prepares technical environmental reports, work plans, and peer reviews for commercial, light industrial, and residential properties. She has extensive experience managing subsurface investigations, monitoring programs, and remediation projects at sites impacted with volatile organic compounds and petroleum hydrocarbons.
William Hunsdale
Senior Staff Environmental Scientist
B.S., Environmental Science
William is an Environmental Scientist with experience in hazardous materials mitigation, site characterization, remedial action oversight, and implementation of environmental and stormwater monitoring programs. He has significant experience in the Bay Area, including the preparation of Phase I/II ESAs, Remedial Action Work Plans, and Environmental and Water Quality Monitoring Reports.
Johnathan Rizzo-Mosbaugh
Staff Environmental Scientist
B.S., Environmental Science and Management
Johnathan is an Environmental Scientist specializing in Phase I/II environmental site assessments, environmental compliance monitoring, noise monitoring, aerial drone imaging, graphic design, and data management. His experience at Baseline has included collecting soil, groundwater, and soil vapor samples in accordance with regulatory guidelines for projects across the Bay Area.
Yi Ji
Staff Environmental Engineer
PhD, Civil and Environmental Engineering
Yi is an Environmental Engineer specializing in air quality, greenhouse gas emissions, noise and vibration, and health risk assessments. Her experience spans environmental consulting and research on wildfire smoke, atmospheric modeling, and human exposure to air pollution. She conducts technical studies to support CEQA environmental review for land use development and infrastructure projects.
Kathy Mertz and Lauren Hendrick
Officer Managers/Accounting
Together, Kathy Mertz and Lauren Hendrick 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 Lauren received her BA in Spanish at Dickinson College.
Emeritus Staff
William Scott
Senior Field Geologist, PG, CHg, CEG
B.S., Geology
Bill has been with Baseline for 40 years and has managed field activities for more than 150 groundwater and hazardous waste investigations and remediation projects. He has managed and conducted numerous environmental investigations for soil-gas, soil, and groundwater. Since retiring in 2025, Bill has continued to provide as-needed advisory support, mentoring, and report certification for the Baseline team.
Bruce Abelli-Amen
Senior Hydrogeologist, PG, CHg
M.S., Geology
Bruce has been with Baseline for over 30 years and has been a managing Principal of the firm. He has managed numerous CEQA/NEPA projects, conducted soil and groundwater quality investigations, and overseen remediation programs. Since retiring in 2022, Bruce has continued to provide as-needed advisory support and report certification for the Baseline team.