sonomatech

Evan A. Couzo

SonomaTechEditor — Wed, 30 Apr 2025 16:53:43 +0000

Evan A. Couzo SonomaTechEditor Wed, 04/30/2025 - 09:53

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Staff Member First Name

Evan

Staff Member Middle Initial

Staff Member Last Name

Couzo

Staff Member Title

PhD

Staff Member Position

Air Quality & Emissions Modeler

Staff Member Bio

Evan joined Sonoma Technology in 2024. He is a photochemical modeler by training, and his work combines air quality models and measurements to understand how air pollution forms and is transported in the atmosphere. 

Evan has a broad educational background that has prepared him well for quantitative analysis and science communication. He studied physics at Williams College, curriculum and instruction at the University of Mississippi, and environmental sciences and engineering at the University of North Carolina. Evan was a board member for the Asheville Buncombe Air Quality Agency from 2020-2024. Outside of work, Evan enjoys hiking, overambitious construction projects, and walking his dog.

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EACres.pdf228.28 KB

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Yafang Guo

SonomaTechEditor — Wed, 30 Apr 2025 16:41:07 +0000

Yafang Guo SonomaTechEditor Wed, 04/30/2025 - 09:41

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Staff Member First Name

Yafang

Staff Member Last Name

Guo

Staff Member Title

PhD

Staff Member Position

Air Quality Emissions Modeler

Staff Member Bio

Yafang joined Sonoma Technology in 2024. She has several years of research experience in atmospheric science, with specialized expertise in air quality and assessing aerosol-cloud interactions using numerical models. As a member of the Atmospheric and Emissions Modeling Group, she conducts emissions assessments, performs comprehensive air quality model simulations, and uses dispersion modeling and advanced photochemical models to assess pollutant fate and transport. Her role includes the evaluation and validation of these models, ensuring their accuracy and reliability through rigorous data analysis. Additionally, she also interprets model results and contributes to transforming complex data sets into insightful visualizations. Before joining Sonoma Technology, Dr. Guo served as a Research Scientist III in the Modeling and Analysis of Atmospheric Composition Laboratory at the University of Arizona. 

Yafang holds a BS in Electrical Engineering from Wuhan University and a PhD in Engineering Physics from Embry-Riddle Aeronautical University in Daytona Beach, FL. Outside of work, she enjoys spending time with her family, as well as cooking, baking, and watching movies.

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YXGres.pdf121.63 KB

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Shantanu Kongara

SonomaTechEditor — Fri, 07 Feb 2025 22:39:29 +0000

Shantanu Kongara SonomaTechEditor Fri, 02/07/2025 - 15:39

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Staff Member First Name

Shantanu

Staff Member Last Name

Kongara

Staff Member Position

Senior Scientist

Staff Member Bio

Shantanu joined Sonoma Technology in 2024, and brings extensive experience in air quality permitting, dispersion modeling, ambient air monitoring, and greenhouse gas emission reporting. Prior to joining the company, he spent over 16 years at Stantec Consulting Services primarily working on air quality related projects. He has worked on permitting projects, environmental assessments, and environmental impact statements for the mining industry. He has extensive experience setting up and managing meteorological and ambient air monitoring programs. He brings subject matter expertise in completing greenhouse gas emissions calculations and reporting for clients in the oil and gas sector. At Sonoma Technology, he is part of the ESG and Sustainability Group and is focusing on growing this service area. 

Shantanu earned an MS in Mechanical Engineering from Arizona State University in Tempe, Arizona. Outside of work, he enjoys hiking, riding motorcycles, and spending time with his wife and two dogs.

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SXKres.pdf157.16 KB

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Maris T. Densmore

SonomaTechEditor — Tue, 28 Jan 2025 21:36:16 +0000

Maris T. Densmore SonomaTechEditor Tue, 01/28/2025 - 14:36

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Maris

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Staff Member Last Name

Densmore

Staff Member Position

Department Manager, Refinery Services / Oil and Gas Sector Lead

Staff Member Bio

Ms. Densmore joined Sonoma Technology in 2024 with more than 20 years of broad experience in environmental work, field operations, regulatory compliance, community advocacy, government affairs, and climate project development. At Sonoma Technology, she leads the refinery fenceline monitoring program, identifying needs and unifying processes across a diverse team of field staff, technical project managers, data analysts, software engineers, and corporate leadership. She also oversees quality assurance and data reporting activities across multiple regulatory districts, working with clients and regulators to meet project goals. 

Ms. Densmore is a licensed geologist and a graduate of UC Davis and UC Santa Cruz.

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MTDres.pdf226.8 KB

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Brooklyn N. Saylor

SonomaTechEditor — Thu, 23 Jan 2025 16:58:15 +0000

Brooklyn N. Saylor SonomaTechEditor Thu, 01/23/2025 - 09:58

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Brooklyn

Staff Member Middle Initial

Staff Member Last Name

Saylor

Staff Member Position

Manager, ESG and Sustainability Group / Senior Project Manager

Staff Member Bio

Brooklyn joined Sonoma Technology in 2024 as the Manager of the Environmental, Social, and Governance (ESG) and Sustainability Group. She brings a wealth of experience in carbon accounting, greenhouse gas inventories, net-zero planning, regulatory and corporate compliance, decarbonization strategies, and supply chain audits for state, federal, and/or global frameworks. Brooklyn has 13 years of project management and environmental compliance experience. She has experience across multiple market sectors supporting clients with state and federal air, water, and/or land environmental compliance services. At Sonoma Technology, her primary focus will be to expand the ESG service line to assist clients with greenhouse gas regulatory compliance and sustainability projects in response to evolving environmental policies. 

In her spare time, Brooklyn enjoys spending time outdoors with her three young children, coaching her daughter’s soccer team, and leading the parent-teacher organization at her son’s school. She holds a BS in Environmental Management from Columbia Southern University and an MS in Environmental Policy and Management from American Public University, which she earned while serving full-time as a Marine Science Technician in the United States Coast Guard.

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BNSres.pdf186.2 KB

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Katherine S. Hopstock

SonomaTechEditor — Tue, 07 Jan 2025 00:40:01 +0000

Katherine S. Hopstock SonomaTechEditor Mon, 01/06/2025 - 17:40

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Staff Member First Name

Katherine

Staff Member Middle Initial

Staff Member Last Name

Hopstock

Staff Member Title

PhD

Staff Member Position

Atmospheric Scientist

Staff Member Bio

Katherine joined Sonoma Technology’s Refinery Services Department in 2024. She has over 9 years of combined academic and professional experience conducting laboratory experiments, field work, and analysis of air quality data. Katherine brings subject matter experience in atmospheric processes, photochemistry, and air quality health impacts. She is currently involved in the planning and implementation of new fenceline monitoring networks, along with providing technical subject matter expertise to networks already in operation. She is excited to interface with new and existing clients to meet their air monitoring needs. 

Katherine is a proud Anteater, having earned her BS, MS, and PhD all from the University of California, Irvine. She is a member of the American Chemical Society and the American Association for Aerosol Research. In her free time, Katherine enjoys cooking, photography, and exploring the beaches near her home in Santa Barbara, CA.

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KSHres.pdf133.13 KB

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KSHpub.pdf74.3 KB

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Gretchen L. Figueroa

SonomaTechEditor — Mon, 09 Dec 2024 18:59:56 +0000

Gretchen L. Figueroa SonomaTechEditor Mon, 12/09/2024 - 11:59

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Gretchen

Staff Member Middle Initial

Staff Member Last Name

Figueroa

Staff Member Position

Sr. Accounts Receivable Accountant

Staff Member Bio

Gretchen joined Sonoma Technology in 2024. She has over 10 years of experience in accounts receivable, previously working as a Billing Specialist for Business Talent Group. She obtained her BS in Accounting from Pepperdine University. At Sonoma Technology, Gretchen prepares customer invoices and monitors customer payments. Gretchen was raised in the Pacific Northwest and enjoys any excuse to return there and explore the area with family and friends.

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GLFres.pdf174.33 KB

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Megan E. McCabe

SonomaTechEditor — Wed, 04 Dec 2024 23:43:48 +0000

Megan E. McCabe SonomaTechEditor Wed, 12/04/2024 - 16:43

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Staff Member First Name

Megan

Staff Member Middle Initial

Staff Member Last Name

McCabe

Staff Member Position

Atmospheric Scientist

Staff Member Bio

Megan joined Sonoma Technology in 2024 as an Atmospheric Scientist, and works with various air quality and emissions models to address environmental issues and help clients meet regulatory requirements. Prior to her current role, she gained experience in regulatory compliance, permitting, and developing and analyzing emission inventories. 

Megan is an active member of the Air & Waste Management Association (A&WMA) and the American Geophysical Union (AGU). Outside of work, she enjoys hiking, biking, and skiing with her dog. Megan holds a BS in Atmospheric Sciences from the University of North Dakota and an MS in Atmospheric Science from the University of Wyoming.

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MEMres.pdf164.58 KB

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Lindsay A. Nash

SonomaTechEditor — Wed, 04 Dec 2024 21:33:05 +0000

Lindsay A. Nash SonomaTechEditor Wed, 12/04/2024 - 14:33

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Staff Member First Name

Lindsay

Staff Member Middle Initial

Staff Member Last Name

Nash

Staff Member Position

Air Quality Data Scientist

Staff Member Bio

Lindsay joined Sonoma Technology’s Data Science Department in 2024. As an air quality data scientist, she uses her computer programming and geographical information systems skills to conduct analysis on satellite and agency fire growth data, community monitoring projects, and refinery fenceline monitoring data. She has experience in data analysis from her work as a Research Assistant and Weather Station Analyst during her undergraduate studies. Lindsay is passionate about community outreach and education, and aims to provide high-quality data and resources to motivate positive change for our environment. 

Lindsay earned her BS in Atmospheric Science and Minor in Spanish from the University of California, Davis. She is a member of the American Meteorological Society and the American Geophysical Union. In her free time, you can find Lindsay hiking, reading, playing guitar, and doing yoga.

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LANres.pdf294.21 KB

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Neil R. Fernandez

SonomaTechEditor — Thu, 14 Nov 2024 22:52:19 +0000

Neil R. Fernandez SonomaTechEditor Thu, 11/14/2024 - 15:52

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Staff Member First Name

Neil

Staff Member Middle Initial

Staff Member Last Name

Fernandez

Staff Member Position

Senior Technical Project Manager

Staff Member Bio

Neil joined Sonoma Technology in 2024. He manages air quality fenceline monitoring projects for industrial clients throughout the state of California to help ensure they maintain compliance with local, state, and federal regulations. 

Neil regularly coordinates support from a multi-disciplinary teams and brings a data-driven approach to his projects. He coordinates activities between internal and external stakeholders, including clients, field staff, instrument manufacturers, and sub-contractors, to ensure instruments and equipment are supplied, installed, commissioned, and maintained.

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NRFres.pdf214.8 KB

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