Our Address & Contact Information



(540) 874-5168




Mr. Coker has over 38 years’ experience in the planning, permitting, design, construction and operation of organics recycling facilities processing animal manures, animal mortalities, food wastes, biosolids, yard trimmings and source-separated organic solid wastes, as well as in the marketing and sales of compost and compost-amended horticultural products. Mr. Coker has training as both an engineer and a scientist and has experience with both composting and anaerobic digestion.  Mr. Coker is a licensed Virginia Waste Management Facility Operator, a certified Virginia Nutrient Management Planner and a USCC/SWANA Certified Compost Systems Manager.  Mr. Coker is also a Contributing Editor to BioCycle magazine.  His resume can be reviewed here. Mr. Coker’s recent project experience includes:

Business & Facility Planning, Permitting & Design – Renewable Energy

*Environmental Law Institute, Washington, D.C. - evaluation of business cases for co-digestion of various feedstocks with sewage sludges at water resources recovery facilities (2017-2018)

* Private company, Cincinnati, OH - technical support in development of merchant anaerobic digestion facility (2017)

* Private company, North Carolina - technology evaluation for producing 5 MW power from animal wastes (2017)

* U.S.D.A. Renewable Energy Assistance Program, Washington, D.C. - Review of grant applications based on anaerobic digestion (2016)

* Abt Environmental Services, Washington, D.C. - Preparation of EPA AgStar Handbook, 3rd Edition (2016)

* Alachua County Solid Waste, Gainesville, FL - Evaluation of AD and gasification options for organics residual from mixed waste MRF (2014)

* ecomaine Solid Waste Authority, Portland, ME - Evaluation of anaerobic digestion options for source-separated organics (2012-2013)

 * Kenai Peninsula Borough, AK - Evaluation of anaerobic digestion options for source-separated organics (2012-2013)

* Charles Stewart Mott Foundation (Flint, MI) – plan review of biosolids digestate land application project (2012)

* Private company, Connecticut – evaluation of digestate composting options (2012t)

* Private company, Nevada – design of digestate composting system on Caribbean island (2012)
* Private company, Florida – design and implementation of biodrying pilot test for greenwaste gasification plant (2011)
* Private company, New Jersey - assistance in business plan development for food scraps and yard trimmings HSAD project; development of Potential-to-Emit analysis for air permit (2010 - 2012)
* Private company, New York – assistance in business plan development and implementation for food scraps plus greenwaste digestion and composting using HSAD technology (2009 – 2011)
* Private company, Minnesota – design of 35,000 ton/year organics digestion facility (2012-present), technology evaluation for 60,000 ton/year anaerobic digestion project (2009), technology evaluation of twelve composting and four digestion (aerobic and anaerobic) alternatives for 1,200 – 10,000 ton/year of source-separated organic solid waste (2007)

Feasibility Studies, Business & Facility Planning, & Permitting - Organics Recycling

*Region 2000 Services Authority, Lynchburg VA - evaluation of organics recycling options for Yr 2030 Solid Waste Management Plan (2017)

*Private Company, San Francisco, CA - design of biological degradation model for new proposed composting facility (2017)

*Private Equity Company, Boston, MA - financial and technical evaluation of acquisition target (2017)

*Private Equity Company, San Francisco, CA - financial and technical evaluation of acquisition target (2016)

*Remington Mulch Company, Mitchells, VA - permitting support for 7500 ton/yr leaf composting facility (2017)

*Zgharta Region, Lebanon - solid waste management plan for recyclables and organics (2017)

*Jezzine & Chouf Regions, Lebanon - planning and design of source-separated recyclables and organics processing facilities (2016-2017)

*Smithtown, NY - evaluation of local permitting requirements for indoor organic waste processing facilities (2016)

*Virginia Tech University, Blacksburg, VA - feasibility study of on-campus vs off-campus composting (2015)

*North Carolina State University, Raleigh, NC - feasibility study of on-campus composting facility (2015); design of ASP composting facility (2017)

*Bison Compost, Leeds, ND - preparation of a business plan for a manure composting facility (2015)

* City of Rolla, MO - feasibility study for recycling commercial and residential food scraps by collection and composting (2014)
* Detroit Shoreway Community Development Organization (Cleveland, OH) - feasibility study of food scraps and yard trimmings commercial composting facility (2013)
* ecomaine (Portland, ME) – organics recycling feasibility study of 47-county solid waste authority handling 200,000 tons/yr of MSW (2013)
* Kenai Peninsula Borough (Kenai, AK) – composting feasibility study for source-separated organic feedstocks (2012)
* Carolina Compost (Camden, NC) – expansion planning technical and business support (2012)
* Private industry (Tennessee)  – evaluation of technology options for on-site composting of cafeteria pre- and post-consumer food scraps (2012)
* Private company, California - business plan support for food scraps collection endeavor (2010 - present)
* Black Bear Composting (Charlottesville, VA) - permitting support for planned food scraps composting facility (2010-present)
* North Carolina Zoological Society (Asheboro, NC) – permitting support for manure compost facility storm water runoff management (2009)
* City of Edmond, OK – feasibility study and facility plan for biosolids, greenwaste and source-separated organic matter composting facility (2009-2010)
* Institute for Local Self-Reliance, Washington, D.C. - co-author, "State of Composting in the U.S." (2014); evaluation of impacts of adding food waste to municipal yard trimmings composter (2011); technical support to outreach program aimed at food scraps diversion to on-farm composting (2009-2010); evaluation of SSOW composting options (waste processing and product markets) for San Juan Municipio, Puerto Rico (2008); preparation of planning-level cost estimate for construction and operation of 12,500 ton/year open-air turned windrow leaf composting facility (2007)
* Royal Oak Farm, LLC (Lynchburg, VA) – successful permitting of a Solid Waste Composting Facility in Virginia with capacity of 148,000 tons/year of industrial & commercial residuals; storm water permitting and preparation of Storm Water Pollution Prevention Plan (2006)
* McGill-Leprechaun (Waverly, VA) – successful permitting of a 130,000 tons/year biosolids composting facility; completion & acceptance of Potential-to-Emit for Air Quality Permitting (2006)

Organics Recycling Facility Design, Construction & Operations

*University of Virginia, Charlottesville, VA - optimization analysis of food wastes collection and diversion (2017)

*Sullivan Hanoverians Farm, Walkertown, NC - design of ASP composting facility for 30-horse farm (2017)

*Tripoli, Lebanon - Value Engineering study of proposed 400 ton/day mixed-waste materials recovery facility (2017)

*Jezzine & Chouf regions, Lebanon - design of three new SSO composting facilities (2016-2017)

*Town of Waxhaw, NC - design of new leaf composting facility (2016)

*Kazi Farms, Dhaka, Bangladesh - design of composting facilities for poultry hatchery wastes (2016)

*Private Company, Jeffersonville, IN - operability analysis of rotary-drum composting facility (2016)

*Private Company, New South Wales, Australia - peer review of Operations Plan for 40,000 ton/year food scraps and greenwaste forced aeration composting facility (2015)

*Caju Composting Facility, Rio de Janeiro, Brazil - evaluation of alternative windrow turning methods and conversion to forced aeration composting at 23,400 metric ton/yr composting facility handling residuals from mixed-waste MRF (2015)

*Composting Facility, Addis Ababa, Ethiopia - review of design and operations plan for 2,000 ton/year food scraps and bagasse composting facility (2015)

*Spotsylvania County VA (Livingston, VA) - process design, operations manual and permit applications for 5,000 tpy turnd-windrow yard waste composting facility (2014)
* Mecklenburg County LUESA (Charlotte, NC) - process design, operations manual for 80,000 tpy turned-windrow yard waste composting facility (2014)
* Otter River Farm (Winchendon, MA) - process, materials handling, and business management operational optimization evaluation (2013)
* City of South Bend, IN – Operational evaluation of yard trimmings composting facility (2012); program oversight for outsourcing facility operations (2012-present)
* Howard County Bureau of Environmental Services (Ellicott City, MD) – process design of 40,000 ton/year covered aerated static pile composting facility (2012-present)
* Wasatch Integrated Waste Management District, Layton, UT – operational evaluation of greenwaste composting facility; preliminary design of expansion (2011 - 2012)
* Shakopee Mdewakanton Sioux Community (Prior Lake, MN) – design of new windrow food waste and greenwaste composting facility; equipment evaluation of slow speed shredder; ongoing process control and management support (2011 – present)
* Prince William County DPW (Manassas, VA) - evaluation of adding food scraps to existing yard trimmings windrow composting operation (2011)
* Private company, New Mexico - design of manure and digestate composting facility (2011)
* Township of Haverford, PA - operations assessments and consulting for leaf composting facility (2010-2012)
* Green Duck (Richmond, VA) - assistance in planning food scraps diversion operations for the 2010 World Equestrian Games in Lexington, KY (2010)
* New York Botanical Garden (Bronx, NY) – evaluation of operational efficiencies at an on-site vegetative composting operation (2010)
* Blue Hen Organics, LLC (Millsboro, DE) - site layout, design and operations plan for open-air turned windrow yard waste composting facility (2008 - 2016)
* Royal Oak Farm, LLC (Lynchburg, VA) – technical support in securing tipping fee material contracts, equipment evaluations and day-to-day operations of 150,000 ton/year composting facility (2008-present); design and construction management of upgrade of existing open-air turned windrow agricultural composting operation to commercial/industrial composting facility; including pad hardening and runoff pond lining (2006-2008)
* McGill-Leprechaun (Waverly, VA) – design of new enclosed extended aerated static pile composting facility to process 130,000 tons/year; including process design, biofilter for odor control, computerized process monitoring (2005-2006)
* Mountain Organic Materials, LLC (Asheville, NC) – design, construction and operation of an 8,000 ton/year dairy manure, poultry litter and sawdust aerated bin composting operation at a 650-head dairy farm, Asheville, NC (2000-2003)
* WNC Pallet & Forest Products, Inc. (Asheville, NC) - Operations management of wood waste recycling center, Asheville, NC (2001 – 2003)
* Development and management of food waste recycling program, 1999 Special Olympics, Raleigh, NC

Compost Marketing & Sales
* City of South Bend, IN - development of compost marketing and sales plan (2014)
* Topsoiletc. (Baltimore, MD) – development of compost marketing and sales program (2012)
* Private company, New Jersey – compost market potential evaluation (2010)
* Peninsula Composting (Wilmington, DE) – support in developing compost-based bioretention soil media (2010)
* New York Botanical Garden (Bronx, NY) – development of compost usage plan for Botanical Garden, including soil amendment, mulch and compost tea (2010)
* Private company, Missouri – development of compost, mulch and soils strategic and tactical marketing plans for 500,000 CY/year of production (2009-present)
* Royal Oak Farm, LLC (Lynchburg, VA) – development and execution of marketing plan for solid waste compost and compost-based soil products (2005 - 2012)

Prior Experience:
* Organics Recycling Technical Assistance Coordinator, NC Dept. of Environment and Natural Resources (1998-2001)
* Preparation of business plan for manure-based composting and sales program for Fortune 100 company, Moline, IL (1994-1995)
* Evaluation of industrial sludge composting options for Fortune 100 company, Wilmington, DE (1995)
* Technical consultant to Citizen Advisory Committee on biosolids composting alternatives, New York City (1991-1993)
* Facility planning, permitting and design of biosolids dewatering and pelletizing facility, Elizabeth, NJ (1989-1994)
* Facility planning for biosolids composting facility, Rahway, NJ (1988)
* Planning, permitting, design and construction management of 150,000 tpy biosolids composting facility, Dickerson, MD (1981-1983)
* Solid Waste Management Plan, Baltimore County, MD (1978-1979)
* Solid Waste Management Plan, new Federal Capital City, Nigeria (1979)
* Facility planning and design for biosolids composting facility, Washington DC (1976-1981)

Licenses and Certifications
* Virginia Nutrient Management Planner Certificate No. 587 (2009)
* Virginia Class 2 Waste Management Facility Operators License No. 4605 002846 (2007)
* U.S. Composting Council/Solid Waste Association of North America, Compost Systems Manager, Certificate No. 57591 (2004)
* University of Maine, Certificate of Technical Ability in Composting (2001)
* University of Georgia, Compost Operator Training Certificate (2000)

* M.S., Civil & Environmental Engineering, George Washington University, 1980
* B.A., Environmental Science, University of Virginia, 1975