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About Us
CONTACT US
We look forward to learning more about your project needs and how we can support your work using our 20-plus years of compost facility design innovation.
Interested in our systems? Take a moment to download our Data Form to tell us more about your application. When you've got it as filled out as best you can, send it back our way.
HISTORY
Tim O’Neill founded Engineered Compost Systems in 1999 to develop and manufacture technology and to provide technical services for large-scale composting facilities. Tim started in business in 1986 by co-founding Measurement Technology NW with Peter Zieve and working as Peter’s first Vice President of ElectroImpact during its founding years.
In the 1990’s, Tim was co-owner and lead mechanical and controls engineer at Green Mountain with the focus of developing small in-vessel systems. Since 1999, ECS product and service offerings have expanded in our quest to respond to market needs. As the name implies, Engineered Compost Systems uses top quality engineering to meet these demands. To this end, ECS has had the opportunity to build the most qualified group of compost engineers in the industry.
Sister companies of ECS include Thermetrics, which manufactures a wide range of precision instruments for measuring and evaluating the thermal comfort of textiles, garments, protective apparel, and dynamic thermal environments such as automobile, truck, and aircraft interiors. Rugged Controls, another sister company, previously named MTNW, designs and manufactures durable, multi-channel winch line control, wireline monitoring, and tensiometer instrumentation used in demanding commercial and oceanographic applications ranging from polar to tropical.
PEOPLE

Tim O'Neill
President
B.S., M.S. Mechanical Engineering University of Washington
Tim is president and founder of ECS. He has worked as an entrepreneur providing technology and consulting to the compost industry since 1993. He enjoys the broad range of challenges and never-ending opportunities to learn that this industry provides. He is a recognized expert in compost aeration and control, regulatory compliance, process control and monitoring technology, odor control, feedstock preparation, and material handling.

Steve Diddy
Director, Business Development
B.A. Philosophy & Communications
Evergreen State College
Master Composter, WSU Extension Office
Steve has worked in the composting industry since 1989. He has worked for city and state governments, has attended nearly every USCC and BioCycle conference over the past 25 years, and was a member of the innovative BFI Organics group. Steve joined ECS a few years after its inception in 1999 and has been with the company ever since. He is responsible for sales, customer service, and is the first person you will most likely talk with when you call ECS.

Chris Hibbard
Engineering Manager
B.S. Mechanical Engineering
Michigan Technological University
Chris oversees ECS' engineering activities in project management, compost process design, vendor supervision, and facility start-up. Since joining ECS in 2001, Chris has worked as lead project engineer on over 20 compost facilities in North America and has provided on-site technical support at dozens more. Prior to joining ECS, Chris designed tooling used with ultra-high pressure water jets in a nuclear environment and developed procedures for cutting decommissioned nuclear reactor parts for disposal.

Charlie Krauter
Lead Engineer
B.S. Physics, UC Davis
B.S. Mechanical Engineering, CSU Sacramento
Charlie brings an extremely broad skill set to ECS. Dividing his time between ECS’ fundamental research efforts, product development, and client support activities, Charlie is also the lead developer of ECS’ new generation of compost process control technology. He also is the project lead on five US Government funded compost research projects that ECS has carried out during his tenure. Prior to joining ECS in 2006, Charlie worked as a design engineer for a tunnel boring machinery company.

Bryce Dinger
Engineer
B.S. Mechanical Engineering
B.S. Renewable Materials
University of Idaho
Bryce is a graduate of the University of Idaho and joined the ECS Team in 2020. He contributes to system modeling, documentation, and research and development efforts. Prior to ECS, Bryce was a design engineer in the defense industry. Prior to that, Bryce was a research assistant in material science at the University of Idaho where he developed bioplastic composites for use in the automotive industry.

Baraka Poulin
Business Development
Master of Business Administration
Georgia College and State University
BS Mechanical Engineering
Gonzaga University
Baraka provides sales engineering and early stage technical support for project development. Prior to joining ECS in 2019, Baraka developed industrial scale biomass renewable energy projects with both pyrolysis and gasification technology. He also brings an extensive background developing energy efficiency projects with public sector clients through energy service performance contracting.
Jeff Gorom
Quality Assurance Manager
B.A. Business Administration
University of Wisconsin at Madison
Jeff is responsible for production management, design of electrical power and control systems, purchasing, and customer technical support. Prior to joining ECS in 2001, he worked as a Production Manager at Northwest Center. There, Jeff supervised multiple manufacturing areas involving quality control, design, tooling, and inventory.

Ross Mazur
Engineer
M.S. Mechanical Engineering and
MS Biorenewable Resources & Technology
SUNY College of Environmental Science and Forestry Engineer in Training (EIT) Certification, 2015
Ross joined the ECS team in June of 2017. He contributes to technology development, system design, modeling, documentation, customer service, and product support. Prior to working at ECS, Ross was involved with the design and operation of a variety of small scale compost systems at farms, universities, and dining operations. Ross’ passion for appropriate technology and organic waste management motivates his work at ECS.

Aimee Manderlink
Engineer
B.S. Mechanical Engineering
Boston University
Aimee is a recent graduate of Boston University and joined ECS in 2018. She contributes to system design and ECS' research and development efforts. As an undergraduate, Aimee applied her passion for sustainable waste management and sanitation systems as a member of Engineers Without Borders. Prior to working at ECS, Aimee was a research assistant in energy engineering at Pennsylvania State University where she investigated electrochemical systems and biomass conversion.

Morgan Faber
Technician
B.S. Environmental Science
San Diego State University
Morgan is part of the team in our UL listed electrical panel shop and helps assemble, QC, and test all of our fabricated equipment developed for client facilities. After completing her degree and working at a company where she assembled concrete polishers, Morgan realized how much she loved putting things together. Building compost system components integrates her passion for the environment with her technical skills.

Sue Bowden
Controller
B.A. Accounting
University of Alaska Anchorage
Sue is responsible for accounting, financial management, and Shared Resource teams for Engineered Compost Systems and its sister companies.
Heather Hill
Senior Accountant
A.A.S. Accounting
Grays Harbor College
Heather is responsible for accounting and payroll for ECS and its sister companies. She joined ECS in 2005 as the Office Manager.

Martin Dinsmore
IT / Facilities Manager
A.T.A. Digital Forensics/Network Security
Edmonds Community College
Martin joined ECS in 2012 as a mechanical and electrical technician. He now maintains the IT and facilities infrastructure and manages website security and updates. He also performs safety inspections and monitors workplace safety hazards. Martin assists as needed in manufacturing.
ECS team is comprised of compost experts, engineers, and scientists. We are relentless in our development of new products and services tailored to meet the needs of our industry and fill the technological void that we frequently encounter.

Andrea Harrell
Marketing & Administration
B.A. Fashion Merchandising
Seattle Pacific University
Since joining in 2017, Andrea handles the marketing for ECS and coordinates trade shows, conferences, and other events. She helps manage and maintain the overall presence and presentation of the website and provides assistance in many areas across the company.
EMPLOYMENT
We are not currently hiring, but if you'd like to submit a resume please visit the Careers page.
ECS IN THE
MEDIA
ECS is recognized nationally as a leader in facilitating the compost industry.
As industry leaders, our work has been acknowledged in a number of print magazines and online articles.
ECS is highlighted is the July 2018 Washington Organic Recycling Council newsletter:
BioCycle Magazine articles on the value of using Aeration Floors for more efficient composting:
Aeration Floor Fundamentals and
Composting Aeration Floor Functions And Designs BioCycle.net
The Seattle Met Magazine recognizes ECS as the industry leader in odor control:
His Stuff Doesn’t Stink Seattle Met
Seattle Business Magazine profiles ECS's expansion:
Engineered Compost Systems Expands Nationwide Seattle Business
Climate Solutions describes ECS's range of capabilities:
Climate Solutions Spotlight on ECS Climate Solutions
Recycling Product News spotlights ECS:
Recycling News Studies and Analyses of ECS Technical Services Recycling Product News
PAST LECTURES &
PRESENTATIONS
PAST LECTURES &
PRESENTATIONS
On average, ECS staff presents six to eight carefully researched, scientific-based presentations per year to our industry. We have been at the forefront of evolving our composting industry since our inception in 1999; and we take pride in sharing our findings with the compost community and using our ever-continuing, cutting-edge research to benefit our clients.
The list below represents only the last year of ECS presentations, click here for a more comprehensive list with presentation abstracts.
January 2019
Tim O'Neill & Geoff Hill
January 2019
Tim O'Neill & Geoff Hill
Compost Odor Emissions and Process Efficiency-Connecting the Science to the Practice
Compost Odor Emissions and Process Efficiency-Connecting the Science to the Practice
January 2018
Tim O'Neill & Geoff Hill
Compost Odor Emissions and Process Efficiency-Connecting the Science to the Practice
January 2017
Tim O'Neill
Using a Flexible Pilot to Optimize Performance of an Aerated Compost System
Geoff Hill
Green Energy without the Cost and Complications of an Anaerobic Process: A comparative cost analysis of solar panels paired with food waste composting versus anaerobic digestion
April 2018
Tim O'Neill & Geoff Hill
Large Scale Composting - Keys to Long Term Profitability & VOC Regulation in California and the elephant(s) in the closet.
May 2017
Tim O'Neill & Geoff Hill
Food Waste is Coming: How Contaminated Will It Be and How to Deal with Contaminants?
Food Waste is Coming – But How Much?
June 2016
Tim O'Neill & Geoff Hill
The Cost of Compliance to the State of California's Water Control Board General Order: a Comparison between Windrow and Aerated Static Pile Composting
October 2018
Geoff Hill
Biochemical Benefits Of Cocomposting Alkaline Digestate With Acidic SSO
March 2018
Geoff Hill & Steve Diddy
"Accelerating Organics Recycling"
October 2017
Tim O'Neill & Geoff Hill
Estimating Food Waste Yields From New Collection Programs.
April 2017
Tim O'Neill
Assessing Options for Aeration Floors
May 2016
Tim O'Neill
Cost Effective Air Emissions Testing as a Process Management Tool
April 2016
Geoff Hill
Food Waste Estimation Modeling Using Census Data
April 2016
Tim O'Neill
Cost Effective Air Emissions Test Methods to Reflect Composting Process Variability
January 2016
Tim O'Neill
Composting Organics in Mixed Waste Streams: Challenges, Methods, and Outcomes
September 2018
TimO'Neill & Geoff Hill
Facility Enclosure: The Good, the Bad, and the Ugly and pH and the Compost Process.
September 2017
Geoff Hill
Temperature & the compost process: an exploration of the failure mechanisms behind high temperature composting
September 2016
Geoff Hill
Limiting & Testing Emissions: Experience and New Methodologies
INVENTIONS
Our industry is full of challenges. When we can't find something in the market to fill our need, we invent something that will. Here is a short list:
-
The Original Wireless Compost Temperature Probe (currently 4th generation)
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Zone Controller Distributed Control Technology
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CompTroller Server Based Control and Monitoring System (currently 3rd generation)
-
CompDog Aeration Floor System
-
Low Friction Aeration Floor System
-
Non-Clogging Aeration Floor Drainage System
-
Adjustable Column Height Sparger
-
Solids-Tolerant Below Grade Aeration Valve
-
Pile-Building Conveyors
-
Monolithic Panel Vessel Door for Tunnel Style Composting System
-
Condensing Stream Air-Flow Sensor
-
Sliding Sealed Containerized Vessel Temperature Probe Slot
-
Compost Miner I
-
Compost Miner II
WHITE PAPERS / ARTICLES
ECS provides the following technical documents and white papers. We hope these assist you with your composting projects and knowledge of ECS. If you have any questions, please contact us.
Technical Documents
A Cost-Effective Method for Controlling Compost Air Emissions
White Papers
ECS Compost Aeration Floors - The Foundation of Aerated Compost System Design
Affordable New Compost Technology Provides In-Vessel Levels of Gas Emission and Odor Control
The Benefits of Low Headspace In-Vessel Composting
Articles
Composting Aeration Floor Functions and Designs, Tim O'Neill in BioCycle Magazine
Aeration Floor Fundamentals, Tim O'Neill in BioCycle Magazine
Rural and Suburban Composting: Practices and Tools, Steve Diddy for Waste Advantage Magazine
Evaluating the Viability of Developing a Composting Facility (part I), Steve Diddy for Waste Advantage Magazine
Compost Facility Detailed Design and Construction (part II), Steve Diddy for Waste Advantage Magazine