Great Forest Staff

Richard Fuller

President, CEO

Born in Australia, Richard Fuller graduated with a degree in Engineering from Melbourne University and then worked for IBM. He left Australia in 1988 to work directly on global environmental issues. For two years, Richard worked in the rainforests of Brazil with the United Nations Environmental Programme, creating forest reserves that promote the preservation of both the rainforest and its inhabitants.

He created Great Forest Inc. in 1989, now one of the most successful sustainability consulting companies in the U.S. Great Forest was among the first to bring cost-saving sustainability practices to business and institutional clients, helping to pave the way for the rise of corporate social responsibility. Based in New York, Great Forest's operations have expanded to include Philadelphia, Washington D.C., Los Angeles, San Francisco and Chicago.

In 1999 Richard founded Blacksmith Institute, an international not-for-profit organization dedicated to solving pollution-related environmental issues in developing countries. Today, Blacksmith is a global leader in this field, working with governments, the international community, NGOs and local agencies around the world to design and implement innovative, low-cost solutions to save lives. Under Richard's leadership, Blacksmith has completed more than 50 projects and is currently engaged in over 40 projects in 14 countries including Russia, China, India, Zambia, Tanzania, Thailand, Cambodia and the Philippines.

Richard is currently a member of the Environmental Task Force, the Energy Committee, the Codes and Regulations Committees for the Building Owners and Managers Association of New York, and the Special Committee of New York's Business Integrity Commission. He is chair of NYC BOMA's Codes and Regulations Waste and Recycling Subcommittee, a member of the New York Energy Buyers Forum and the National Recycling Coalition amongst others. He is also a LEED Accredited Professional.

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Amelia Marpman


Amy oversees waste and recycling services at Great Forest. Key services include waste audits and waste metrics verification for large commercial office buildings, universities, and retail centers. She also performs waste materials management assessments and handles internal audits for ISO 9001 and ISO 14001 clients. Amy served as Earth Award Judge for the 2011 BOMA Pinnacle Awards and has advised on commercial solid waste issues for the NYC Mayor's Office for Long Term Planning and Sustainability, the NYC Mayor's Office 80x50 Waste Working Group, Global Green USA Coalition for Resource Recovery, and DSNY Commercial Waste Study. Amy is a regular contributor to Environmental Leader's Industry Voices column. She holds a B.A. in Communications from Western Washington University, and a M.A. in International Affairs from The New School. She is LEED accredited through the U.S. Green Building Council (USGBC).

Anna Dengler

Director of Sustainability
Certified Energy Auditor (CEA)

At Great Forest, Anna manages sustainability projects, including LEED certification, carbon footprints, ISO 14001 and sustainability management systems focusing on best environmental practices for businesses. Anna is a LEED Accredited Professional through the U.S. Green Building Council since 2007 with a focus on Building Operations and Maintenance. In 2009 she completed the certificate course in Sustainability Management from The Natural Step (TNS) in Sweden. She is also a Certified Energy Auditor (CEA). Anna teaches sustainability and green building at Hunter College and regularly volunteers with Everybody Wins, tutoring public school children in reading. She holds a B.A. from Smith College and an M.S. in Sustainability Management from Columbia University.

Maya Shenkman

Director of Hotel Services

Maya has worked on promoting numerous environmental initiatives in New York since 1992. She joined Great Forest staff in 1995 and is now working on managing all aspects of marketing, recycling, waste management and conservation for hotel clients throughout the city. In addition, Maya assists Blacksmith Institute with coordination and administration of projects in Eastern Europe.

Sheila Sweeney

Director of Energy Services
Certified Energy Auditor (CEA)

Sheila has 20 years of energy project management experience. In 2009-10 she helped secure over $2 Million in NYSERDA efficiency and renewable energy grants and incentives (partially funded by ARRA) for three large New York healthcare institutions. She worked previously as energy project manager for commercial real estate with Vornado Realty Trust, for the NYC Economic Development Corporation and for the Commonwealth of Massachusetts. In the late 1990's she helped secure NYPA Power for Jobs awards for six institutions, achieving to date over $55 million in cost savings. Sheila is a specialist in state and federal policy directives toward CHP and peak load curtailment, and in efficiency and sustainability metrics. She holds a Bachelor's degree from Tufts University and is a Certified Energy Auditor (CEA).

David Troust

V.P. Business Development
LEED Green Associate

As the V.P. of Business Development, David's main function is to manage client relations outside of the NYC region, focusing on Great Forest's Waste/Recycling Program Management Services in D.C., VA, MD, DE, FL and CA. David's team of consultants provide clients with recycling program design and implementation, competitive bidding for waste removal services, education and outreach assistance, and program monitoring and reporting. In addition to client relations, David oversees the Sales & Marketing department for Great Forest, as well as nationwide expansion efforts. David is a LEED Green Associate, and is accredited in ISO-14001 sustainability management systems implementation.

Nicholas Mandelos

V.P. Large Accounts

Nick is the portfolio manager for large accounts, handling over 65% of all commercial recycling in NYC. He works with some of the largest properties and businesses across the country to ensure delivery of efficient waste management advice and services. His work includes waste hauler issue resolution, development and implementation of recycling programs, and management of the competitive bid process for waste removal and recycling initiatives. Nick brings with him a strong track record in sales, management and business development across industries, with an emphasis in environmental services, with prior positions at Interstate Waste Services, AB Environmental and Metropolitan Paper Recycling.

Rick A. Ament

Senior Advisor, Healthcare Sustainability

Rick Ament is senior advisor to Great Forest's Healthcare Sustainability practice. He serves as CEO and Principal at SOS Partners and has more than 25 years of executive leadership experience in the healthcare industry. His significant perspective has been molded by exposure to over 35 organizations as a CEO and consultant. He has been responsible for as many as 11 organizations at a time. Leadership roles in turnaround consulting, multi-facility management and business development have helped provide Rick with a solid understanding of what healthcare C-Suites want and need from consultants. He has worked for governmental, investor owned, not-for-profit and consulting organizations. Rick and his organizations have been recognized by Modern Healthcare, Hospital and Health Networks and Press Ganey and Associates. He has been a guest speaker at The American Hospital Association, The Massachusetts Hospital Association and numerous national and regional conferences. 

Ross Guberman

Senior Sustainability Analyst

Ross specializes in assisting businesses and large commercial building operators in the development and implementation of successful sustainability programs. He began working with Great Forest in 2003, developing waste, recycling and other sustainability programs such as ISO 14001 and 9001 management systems. He left in 2007 to join the Peace Corps as an Environmental Education Volunteer in the Republic of Cape Verde in West Africa. He has returned to continue his work on sustainability, ISO programs and LEED. He holds a B.A in Mathematics from Rutgers University.

Tom Csatari

Sustainability Consultant

Tom works on recycling maintenance and sustainability consulting at Great Forest, where he also handles a variety of design and media-based projects. With work experience at New York City's Bureau of Waste Prevention, Reuse, and Recycling, as well as with various environmental education initiatives throughout the city, Tom also runs his own sustainability project,, which focuses on reusable service-ware systems. Tom holds double degree in Environmental Studies (BA) and Music (BFA) from the New School University.

Barbara Fonseca

Sustainability Consultant
LEED Green Associate

Barbara supports recycling initiatives in the D.C metropolitan area, working with Great Forest commercial clients to implement and maintain recycling programs catered to their specific needs. She provides logistical support, expertise, cleaner and staff training visits, and assists in waste auditing and metrics. Barbara has assisted in local recycling efforts for the Green Festival, and currently helps the City of Rockville, Maryland's Environmental Management Division in grant research, stream monitoring, and outreach for its turf management program. She also brings with her five years of customer service and sales experience. Barbara holds a B.S. in Social Science and Environmental Management from the University of Maryland University College.

Alexis Goggans

Sustainability Consultant

Alexis currently supports the Great Forest Mid-Atlantic recycling team. She provides clients in the D.C. metropolitan area with end-to-end waste management support, including waste/recycling hauler management, tenant education, janitorial training and recycling metrics. Alongside her lifelong passion for conservation and environmental advocacy, Alexis brings five years of account management, program management and communications expertise to Great Forest. Alexis hold a M.S. in Interdisciplinary Sustainability Studies from the University of Texas at Arlington and is Global Reporting Initiative certified.



Caroline Hazarian

Sustainability Consultant
LEED Green Associate

Caroline manages recycling maintenance projects, working with clients on existing recycling programs. Her work includes helping to train tenants and cleaners regarding proper recycling protocol. Prior to working at Great Forest, Caroline helped organize outreach events for The Young Professionals Group at The Nature Conservancy in Manhattan. Caroline also worked as an environmental educator for The Audubon Society in New Jersey. Caroline holds a B.A. in both Environmental Studies and Spanish from Sweet Briar College. She is LEED GA accredited and is studying for her LEED-EB O&M accreditation.

Nathan Holmes

Sustainability Analyst

Nathan works on sustainability and energy project analysis, including energy benchmarking for Great Forest clients across the country. In addition he helps to maintain and enhance recycling programs for commercial building in New York City. Nathan most recently served as a sustainability coordinator at St. John's University in Queens, NY, where he provided cost benefit analysis for energy saving projects. Nathan holds a B.S. in Economics from St. John's University.

Beth Kimball

Sustainability Consultant

Beth coordinates recycling and waste management programs for commercial clients in the Southern Virginia region. She works with clients to help implement and improve recycling programs through outreach, education, and training. Beth has a strong background in education, having served as a Montessori teacher in Richmond City for three years. She also has experience in the recycling and hazardous waste industry in San Diego County. Beth holds a B.S. in Geographic Science from James Madison University as well as a Montessori teaching certification from Virginia Center for Montessori Studies.

Kelly Kent

Sustainability Consultant

Kelly serves clients in the Midwest region out of Great Forest's office in St. Louis. With over six years of experience in the industry, Kelly has worked with over 520 commercial and residential properties. Her speciality lies in helping clients develop, implement and manage effective waste and recycling solutions that cut costs. This includes reducing waste streams, contract bidding and negotiations, waste reporting, managing customer service issues as well as maintaining strong relationships with vendors on the regional and national level. 

Christine McCoy

Sustainability Consultant

Christine has more than 15 years of experience in solid waste management and recycling consulting. At Great Forest, she will focus on program development and waste audit management. Christine has worked for the National Recycling Coalition, American Forest & Paper Association, the City of Alexandria and Covanta Energy Corporation. A Peace Corps volunteer in the West Indies, she wrote her masters thesis on Sustainable Solid Waste Management on Small Islands of the Caribbean. Christine has a B.A. in Political Science from the University of Illinois (Urbana) and an M.A. in Geography from Louisiana State University. She is also an adjunct professor of Geography at the Alexandria campus of Northern Virginia Community College.

Kevin McNab

Sustainability Consultant

Kevin works with Great Forest clients in the Mid-Atlantic region implementing environmentally-responsible recycling and waste
management programs, serving as a resource in day-to-day operations, and engaging others through education and training to maintain effective programs. Kevin most recently served as a member of the Girardeau Goes Green advisory board in Cape Girardeau, Missouri, where he assisted the city with sustainable initiatives. He holds a B.S. in Renewable Natural Resources from Texas A&M University and a M.S. in Environmental Science from Southeast Missouri State University.

Sandra Robishaw

Recycling Consultant

Sandra brings with her a 20-year track record as an outspoken and fervent supporter of waste prevention, recycling and green space preservation in New York City. Sandra spearheaded and managed innovative hands-on recycling and proactive reuse projects including NYC's first Building Materials Reuse Center. She served as project manager for the Council of Environment's composting and clothing reuse programs in NYCHA housing and the donation of used textbooks from the NYC Department of Education. Most recently she headed a ‘Beds for Kids' program in New Orleans. Her "garbage-free" activities include native plant restoration and land conservancy in northern Maine.

Todd Sutton

Sustainability Consultant
LEED Green Associate

Todd has worked in the environmental field for more than 21 years and has a broad base of experience and expertise in waste prevention, reuse, recycling, composting, and sustainability. His work and experience includes sustainability education, outreach and marketing campaigns, commercial waste and recycling audits, construction and demolition debris recycling, and universal waste management. He has co-produced recycling industry educational videos and worked as an on-air TV correspondent for the History and Discovery Channels. Todd is a LEED Green Associate.

Anna Toledo

Sustainability Consultant

Anna manages recycling initiatives, working with commercial clients in the D.C. metropolitan area to implement and maintain recycling programs. With a background as an environmental conservation advocate, Anna brings entrepreneurial experience in green consulting to Great Forest.  Her past work includes initiating environmental education programs and developing sustainability projects for rural and urban organizations in Latin America. Anna holds a B.S. in Biology from the University of Richmond.

Yovelice Collado

Deputy Controller

Yovelice brings extensive customer service and accounting experience. She is responsible for maintaining clients' day to day waste removal services, as well as all accounting matters.

Mayline Johnson

Customer Service Representative

Mayline brings extensive customer service experience to Great Forest. She handles client inquiries and requests across every service department and maintains an open channel of communication between clients and Great Forest sustainability experts. She also helps to handle waste removal services for clients. Mayline holds an M.B.A. from Monroe College. She enjoys the arts and spending time with family. She also has a strong interest in environmental protection and sustainability.

Magdalene Sim

Director of Communications

Magdalene manages communications for Great Forest, handling all press inquires and outreach for the company and its projects. She oversees the production of the Great Forest newsletter, content for the website and marketing materials, and pens articles and other thought leadership pieces on behalf of the company. Magdalene has spearheaded numerous national PR campaigns for some of the country’s leading arts organizations, nonprofits and corporations, including the J. Paul Getty Trust, the Dorothy and Lillian Gish Prize, Blacksmith Institute and PBS. She is also an independent film and video producer.  Her credits inclulde the award-winning feature "Falling," a series of news-making shorts as well as a roster of commercials and corporate work. Magdalene holds an M.S. in marketing communications from Boston University.