Our Team

Professional Staff | Board of Directors | Officers & Committees


Kevin Roche

Chief Executive Officer

As the result of a nationwide search, Kevin joined ecomaine in 2004 and serves as CEO & General Manager. He has worked in the field of solid waste management since 1990, soon after the first sightings of the “garbarge” (garbage barge). His experience has moved him across the country including positions as the Director of Solid Waste for Broome County (New York), Materials Recovery Manager for the City of Glendale (Arizona), Plant Manager for Metro Waste, Owner of a recycling facility in Rochester, New York, Solid Waste Coordinator for Monroe County, and GIS Specialist for the City of Rochester. Kevin is a 1989 graduate of the University of Buffalo, where he received a Bachelor of Arts degree in Geography. He entered the field of solid waste with passion for integrating the mapping of trash collection routes into Geographic Information Systems. At ecomaine, Kevin’s priority is to advance the organization’s mission in providing comprehensive long-term solid waste solutions in a safe, environmentally responsible, economically sound manner and remain a leader in raising public awareness of sustainable solid waste management strategies. Outside of work, Kevin enjoys spending time with his family, wood-working, rooting for the Bills, and on the back of a horse.

Denise Mungen

Executive Assistant

Denise Mungen joined ecomaine in September of 2014 with 30-plus years of experience in executive-level administrative support. Throughout her career, she has supported Presidents, the Vice President and Chairman of Academic Affairs. She has managed programs for the Aegis Destroyer Program and USN Department of Defense for the Personnel and Informational Security Program. She also worked on the start-up and management of a community prescription assistance program, providing coordination and support to community physicians for uninsured and underserved patients with chronic medical conditions. She has served on or supported several boards and committees, including the United Way of Mid Coast Maine, St. John’s Catholic Parish, and The Healthy Start Program. She attended New York City Community College and College of New Rochelle, and completed further coursework through University of Southern Maine’s Professional Development Program.

Finance & Administration

Greg L’Heureux

Director of Finance & Administration

Kelly Rickett

Payroll Coordinator

Kelly Rickett joined ecomaine as a Payroll/Accounting clerk in May 2019 with over 20 years experience in Payroll, HR and Accounting in the manufacturing field. She joins ecomaine from B&M Baked Beans where she most recently served as an HR Supervisor, Payroll and Accounts Payable Clerk.

Lynn Michaels

Accounts Payable and Human Resources Specialist

Lynn, who has been with ecomaine since 2016, is responsible for ensuring the smooth day-to-day operations of Accounts Payable and Human Resources. Lynn holds an Associate’s Degree in Accounting from York County Community College. Her work experience includes being assistant to the Vice President of Accounts Payable and Receivable for Coastal Concrete and working in Accounts Payable for Tom’s of Maine. She has also owned her own tanning & hair salon and cleaning business.

Mark Dolloff

Project/Procurement Manager

Mark currently serves as ecomaine’s Project & Procurement Manager, managing projects from inception to completion. Formerly, Mark was responsible for employee safety training, which occurs weekly at ecomaine. He is an OSHA certified trainer for general industry, a licensed Maine first class stationary engineer, and an ASME qualified resource operator. In addition, Mark graduated from Central Maine Technical College in 1984 with an Associate Degree in power engineering. He has been with ecomaine since 1988.

Michelle Radley

Business Development Representative

Michelle found her passion for trashin’ when she started up a zero-waste club in high school. Since then, she has completed her BA in Environmental Policy and Planning at the University of Southern Maine and continues her education as she finishes up her Master’s degree in Policy, Planning, and Management with a concentration in Public Policy. Michelle previously worked as an intern in the pilot tagging program at ecomaine before finding her niche in business development. Michelle’s joy lies in her community, her work, and making others laugh.

Wei Po Huang

Finance Manager

Wei has been with ecomaine since November of 2014 and has been promoted along the way to Finance Manager from Accountant II and his previous position of Accounting Assistant before that. Wei is responsible for Payroll, Accounts Receivable, interfacing with systems and phone support providers,  financial closings, and banking coordination. He is a graduate of the University of Southern Maine, where he was an accounting tutor, with a degree in Accounting & Business Administration. He has a strong background in computer software, is a native of Taiwan and is now a US citizen.


Brian Lannigan

Recycling Supervisor

Brian Lannigan joined ecomaine as the Operations Supervisor in June of 2021 with several years of experience working in operations. Brian is a graduate from Southern New Hampshire University and holds a Bachelor’s of Science in Operations and Logistics Management. Brian has a wide range of experience in operations, logistics, and industrial hygiene. He applies his operational experience in the workplace, along with his positive attitude to encourage others to work hard and succeed. In his free time, Brian enjoys watching his two sons wrestle and spending time with his family in Rangeley Maine.

Kathryn Oak

Recycling Manager

Kathryn returned to ecomaine as Recycling Manager in January 2020.  Kathryn began her career in the solid waste industry 30 years ago at ecomaine, and has since acquired an Associate’s Degree in Environmental Technologies and a Bachelor’s Degree in Health Science, in addition to attending the world renowned Compost School.  Kathryn has managed solid waste facilities ranging from transfer stations and construction and demolition debris landfills to municipal composting programs, and, most recently, the City of Portland’s Solid Waste Division.  An avid hiker, a member of the Solid Waste Association of North America and a Board member for the Maine Resource Recovery Association, she is a resident of Mechanic Falls and mother of a teenaged son.


Brian Del Camp

Shift Supervisor

Brian graduated from Maine Maritime Academy in 1981 with a Bachelor of Science degree in marine engineering and a minor in nuclear engineering. He joined ecomaine after seven years of engineering experience and has been with ecomaine since 1988. Brian is a certified ASME qualified resource recovery facility operator/shift supervisor and is licensed by the U.S. Coast Guard as a 1st class assistant engineer for steam and 2nd class engineer for motor vessels (unlimited horsepower).

Calvin Joiner

Maintenance Supervisor

Cal completed a four-year apprenticeship program at Tampa Electric Company, where he worked for ten years before joining ecomaine in 1988. As maintenance supervisor, he oversees ecomaine mechanics, equipment operators, an electrician, the warehouse, instrument and control technicians, and the scale house. In 1995, Cal was instrumental in establishing a computerized preventative maintenance program at ecomaine.

David Charest

Shift Supervisor

Dave joined ecomaine in March 1994.

Kevin A. Trytek

Plant Manager

Kevin is a 1986 graduate of Maine Maritime Academy, where he earned a Bachelor of Science degree in marine engineering operations. He is also an ASME qualified chief/operator. Kevin came to ecomaine in 1987 after employment at a biomass generation facility in Lewiston. He is responsible for overall operation and maintenance of the ecomaine waste-to-energy plant and is a key participant in the senior management team.

Matt Hebert

Maintenance Manager

Matt Hebert is a 2013 graduate of Maine Maritime Academy with a power engineering operations major and business management minor.  He started at ecomaine in 2014 after being a field service engineer with Babcock and Wilcox PGG after graduation.  Matt completed two summer co-ops at ecomaine while at MMA.  He holds an ASME QRO provisional license and a state of Maine 3rd class stationary steam license.

Matthew Baum

Assistant Plant Manager

Matthew Baum joined ecomaine as our Maintenance Manager in September 2018 and moved into the Assistant Plant Manager role in May of 2021.  Matt is a graduate from Maine Maritime Academy and holds a Bachelor’s of Science in Power Engineering Technology and a Master’s Degree in Business Administration. He also holds a Maine Boilers License and is certified in Six Sigma-Lean. He joined ecomaine from Westbrook Energy Center (WEC) Calpine where he most recently served as Operations Engineer and was the lead on many special projects.

Tom Knights

Shift Supervisor

Tom joined ecomaine in 2016 and has more than 10 years’ experience in biomass and waste-to-energy facilities. In 2021, Tom was promoted from Control Room Operator to Shift Supervisor. He is a 2011 graduate of Maine Martime Academy, and holds a First Class Stationary Steam License in the State of Maine as well as his ASME QRO Provisional License.


Jason Kenney

Landfill Supervisor

Environmental, Health, & Safety

Anne Hewes

Environmental Manager

Since 2007, Dr. Hewes has been responsible for ecomaine‘s continuous improvement in environmental protection at the waste-to-energy plant, recycling facility and ashfill/landfill. She has over 30 years of experience between geological/environmental consulting and academic research, with a B.A. in Geology, M.S. in Environmental Science & Management, and Ph.D. in Environmental Studies. Her interests range from air pollution controls to a focus on industrial ecology and the reuse of waste materials. She has been a delegate to the United Nations Conferences for Sustainability in Johannesburg, South Africa (WSSD) in 2002 and Rio de Janeiro, Brazil (Rio+20) in 2012.

Mark Maritato

Environmental, Health & Safety Specialist

Mark joined ecomaine in 2008 with 23 years consulting experience in environmental toxicology (human health and ecological risk assessment), environmental chemistry and regulatory compliance. As a technical consultant his work has included waste-to-energy facilities, paper companies, hazardous waste sites, and landfill investigations. In addition to environmental responsibilities, Mark is part of a team that administers ecomaine‘s health and safety management system. He holds a BS in Ecology and Environmental Sciences from the University of Maine (Orono) and has pursued classes in chemical engineering from Northeastern University (Boston).

Communications & Educational Outreach

Katrina Bussiere-Venhuizen

Senior Environmental Educator

Katrina Bussiere-Venhuizen is an Environmental Educator at ecomaine and joined the team in August 2016 with 10 years of experience in various environmental educator roles across the country. She is responsible for designing curricula, on-site tour programs, as well as all other education and outreach programming that facilitates engaged waste reduction among residents, schools, and businesses in ecomaine’s 70+ member communities. Katrina holds a Bachelor of Arts degree in Conservation Biology and a Certificate in Environmental Studies from University of Wisconsin-Madison. Her passion and commitment to her job roles inspires students and adults alike to attain their waste diversion and contamination reduction goals.

Matt Grondin

Communications Manager

Matt joined ecomaine in April 2018 and is responsible for all communications, outreach and education programs. Matt holds a bachelor’s degree in Theater Production from the University of Maine, and a master’s degree in Political Science from Suffolk University. Previously, Matt held marketing, fundraising, writing, and outreach positions at Maine Public Radio & Television, United Way of Greater Portland, and WGBH in Boston, where he was part of the production team that won a 2011-12 Daytime Emmy Award for its work on Design Squad, a children’s engineering TV production. Matt works on topics of conservation and sustainability on the Town of Cumberland’s Lands & Conservation Commission. He also served on the Boards of The Summit Project and Portland Ballet.

Vanessa Berry

Senior Environmental Educator

Vanessa Berry joined the ecomaine team in August of 2018 as an Environmental Educator to provide classroom instruction, virtual programming, and design educational curriculum to help Maine residents become better recyclers where they work, live, and play. Born and raised in Maine, Vanessa graduated in 2015 from the University of Maine at Farmington with a B.S. in Elementary Education, and recently completed her Master’s Degree in Environmental Studies and Sustainability in December of 2020. Vanessa uses her teaching background and passion for the environment to help Mainers of all ages follow the famous 3Rs: Reduce, Reuse, then Recycle! When she’s not educating residents around Maine on recycling, Vanessa is also engaged in leadership with many of our partner organizations, including the Maine Environmental Education Association, the Maine Resource Recovery Association, Portland Schools’ Sustainable Practices Action Group and many others.