Office of the Director

Mission

The Department of the Environment (DoE) works towards a healthy, beautiful, and sustainable county through programs that provide clean water, flood control, recycling and waste management, litter prevention, sustainable animal management, and pet adoption, all in partnership with residents and other stakeholders.

Core Services

• Collects, processes, and diverts waste from the county-operated Landfill, commercial facilities, and households.
• Facilitates pet adoptions, manages an animal holding facility, issues licenses, investigates cruelty complaints, and conducts humane outreach and education events.
• Prevents buildings and structures from flooding.
• Provides clean water services.
• Provides sustainability services to reduce greenhouse gas emissions.

 

DoE Senior Leadership
Samuel B. Moki, Ph.D.
Acting Director

Dr. Samuel Belsham Moki holds a law degree, two master’s degrees in criminal justice and environmental management, and a Ph.D. in political science with a minor in public administration from Howard University in Washington, D.C. He has taught and continues to teach as an adjunct at several universities in the Washington, D.C. area at both the undergraduate and graduate levels for over 22 years.

At the Prince George’s County Department of the Environment (DoE), Dr. Moki served as the Special Assistant to the Director from 2006 to 2007 and as the Associate Director of the Environmental and Sustainability Services Division from 2007 to 2013. He also served as a Solid Waste Commissioner in Prince George’s County from 2007 to 2013 and later worked as the DoE’s Grants Manager from 2013 to 2014.

Between 2015 and 2024, Dr. Moki served as a contractual Public Board Member, responsible for personnel and program evaluations, at the United States Department of State, Department of Commerce, and Department of Agriculture. He also served as a Commissioner on the Governor’s Commission for African Affairs in Maryland.

Dr. Moki has authored several books, chapters, and peer-reviewed articles. He is passionate about the environment and eager to find opportunities to promote environmental preservation and improvement in Prince George’s County. Through environmental stewardship, advocacy, projects, initiatives, and excellent customer service, he is prepared to lead the Department of the Environment to “ELEVATE” Prince George’s County.

 

Anthony C. Bennett
Deputy Director
 

Inspector General and Director Anthony C. Bennett, MPA, CIG, CIGI, brings a distinguished history of public service and oversight to his new role as Deputy Director of the Prince George's County Department of the Environment (DoE). He transitioned from his previous position as Inspector General and Director of the Office of Integrity, Compliance, and Police Accountability, where he oversaw investigations into waste, fraud, abuse, and disciplinary issues involving the 29 County and municipal law enforcement agencies. His thorough approach to compliance and operational transparency will help enhance environmental accountability and foster community trust within DoE.

Before relocating to Prince George’s County, Mr. Bennett served the residents of Atlanta, GA, as the Deputy Inspector General in the City of Atlanta Office of the Inspector General (OIG). He played a crucial role in establishing this new agency from scratch, serving in an executive position and overseeing all daily operations. His primary responsibilities included providing independent oversight of city employees, elected and appointed officials, vendors working with the city, the Atlanta Watershed Department, and Hartsfield-Jackson Atlanta International Airport, as well as identifying and eliminating waste, fraud, and abuse within city government operations.

Before his role as Deputy Inspector General for the City of Atlanta, he served the citizens of Palm Beach County, Florida, as the Manager of Investigations and Accreditation Manager for the Palm Beach County Office of Inspector General. His responsibilities included supervising OIG investigators, maintaining the office’s accreditation and overall compliance standards, and initiating and coordinating investigations to prevent fraud and other abuses in county government.

 

Before that, he served as the Chief of Investigations for the Palm Beach County Commission on Ethics, where he coordinated investigations into potential violations of the County’s Code of Ethics by public officials, county and municipal employees, and vendors doing business with Palm Beach County. Before that, he spent 16 years serving the citizens of Broward County, Florida, while employed with the Broward County Sheriff’s Office (BSO), advancing from Deputy Sheriff to the agency’s Executive Officer/Ombudsman, helping oversee two divisions within a 6,400-person law enforcement agency, and performing various law enforcement duties throughout his career.

Anthony is also a U.S. Army and Army Reserve veteran who served our country during Operation Desert Storm.

Anthony holds a Bachelor of Arts in Criminal Justice from Lynn University and a Master of Public Administration from the University of Central Florida. He graduated from the University of Louisville’s Southern Police Institute Command Officers’ Development Program (SPI) and completed the United States Army Rehabilitation Training Instructor Course – R.T.I.C. — at Fort McClellan, Alabama. Mr. Bennett holds Florida certifications in both Law Enforcement and Corrections. He is a Certified Inspector General and Certified Inspector General Investigator recognized by the Association of Inspectors General. He is also a proud member of Alpha Phi Alpha Fraternity, Inc.

Derrick L. Coley
Deputy Director 

 

Derrick Coley has extensive experience in environmental issues, legislative affairs, communications, public advocacy, stakeholder engagement, and outreach in both the private and public sectors.    

In 2011, Derrick was appointed as a Public Affairs Liaison for the Prince George’s County Council. He managed press information, drafted official statements, and organized public events. Derrick also briefed the Council Member on community issues and government procedures. Additionally, he prepared correspondence and served as the primary point of contact for constituent requests from individuals, civic organizations, and businesses.

Before joining the County Council in 2004, he worked at the Prince George's County Office of the County Executive. He served as Deputy Chief of Staff and Chief of Staff. He managed Countywide projects in partnership with various agencies and departments. Derrick handled appointments to boards and commissions, issued proclamations and letters of support, directed community nonprofit grant requests, and oversaw legislative priorities at the federal, state, and county levels. His responsibilities also included external relations with local governments, nongovernmental organizations, and businesses.

Derrick’s environmental focus was reinforced during his six years as a Staff Associate at the United States Conference of Mayors, Environmental Programs Division. His responsibilities included monitoring city, state, and federal programs and policies for the Brownfields Redevelopment Program. He managed the annual survey titled “Recycling America’s Land: A National Report on Brownfield Redevelopment,” funded by the U.S. Environmental Protection Agency. He also collaborated with the Departments of Agriculture, Commerce, Energy, Housing and Urban Development, and Transportation to promote sustainable development in American cities. Additionally, Derrick served as the staff contact for the Municipal Waste Management Association’s (MWMA) Operations Committee, consisting of city solid waste and public works directors, as well as environmental commissioners. He started his tenure at the Conference as a Program Assistant, working on initiatives such as the Buy Recycled Training Initiative, Recycling Paper at Work, and the Urban Water Council.

Derrick is a graduate of Suitland High School and served as Captain of the Environmental Club for two years. In 1998, he earned a Bachelor of Science degree in Biological Sciences with a minor in Botany at North Carolina State University. In 2003, he obtained his Master’s degree in International Environmental Policy, with a focus on Environmental Issues Development at American University.