Senior Advisors

Paul Sheldon

Paul SheldonPaul Sheldon is a senior development consultant that has provided development assistance to numerous agencies, for-profit, non-profit, public benefit, social change, social justice, and community development organizations. He specializes in green re-entry planning; green jobs development; greening correctional institutions; organization development; neighborhood, organizational, regional, and national sustainability; sustainable agriculture; resource efficiency planning; implementing sustainability; fund raising; board development; and staff training. He consults widely for correctional institutions, businesses, governments, non-profit groups, entrepreneurs, and philanthropists. 

Paul served as primary author for reports on Economic and Energy Alternatives to proposed coal mining on the Navajo Nation, solar potential on Black Mesa, the REEL in Alaska Roadmap to energy efficiency in the Railbelt Region around Anchorage, and the Fairbanks First Fuel Analysis, documenting opportunities for efficiency improvements in electricity use in Fairbanks, Alaska. He has also authored scholarly articles on the Helix of Sustainable Management and the Integrated Bottom Line. As part of his commitment to greening America’s prisons and jails, Paul served as primary author for the Greening Corrections Technology Guidebook published by the National Institute of Justice National Law Enforcement and Corrections Technology Center of Excellence as well as the American Correctional Association’s Policy and Standard on Environmentally Responsible and Sustainability-Oriented Practices, and publishes a monthly article on greening corrections on the Green Prisons website and on

View Mr. Sheldon's Green Prisons Blog.



George H. Berghorn

George BerghornGeorge H. Berghorn, LEED AP BD+C has worked in various aspects of sustainability for the past 16 years. He specializes in sustainability planning and implementation; energy efficient new construction and retrofit; green building rating systems; greening correctional facilities; construction management; environmental remediation; resource policy; grant writing and management; and non-profit management.

 In private practice, he has consulted for the University of Alaska Fairbanks, the South Central Connecticut Regional Water Authority, the Connecticut Department of Environmental Protection, a WK Kellogg Foundation-funded consortium, and the Allen Neighborhood Center in Lansing, Michigan. He has worked as an HVAC installer, field technician, owner’s representative, site superintendent, and construction project manager on residential, commercial, and environmental construction; brownfield redevelopment; and hazardous site assessment projects in over 17 states. George was a policy director for a statewide association where he managed a state and federal legislative agenda, technical assistance, and a sustainable product certification committee. His career in higher education started as an adjunct faculty member and later a Department Chairman and Dean of community college career and technical programs, to include building design and construction, energy management, information technology, and corrections.

George currently serves as a Senior Advisor with GreenPrisons, where he works on energy, mechanical system, lighting, fuels, and retrofit programs. He brings extensive construction, energy, and sustainability experience to GreenPrisons, along with a background in non-profit management and grants. George has served in executive leadership for organizations focused on resource protection and youth development. He has been an invited speaker at national and regional events by the National Wildlife Federation and Jobs for the Future, the National Science Foundation, the Pew Foundation, the Community Economic Development Association of Michigan, and the Forest Products Society, and he has been a guest lecturer at Michigan State University and Yale University. George has brought over $2.2 million in research, education, and natural resources project grants over 8 years. He has published in Corrections Today, the Remediation Journal, and the Journal of Architectural Engineering, where one of his papers has been among the top ten most read papers since it was published in 2011.

George has a BS degree in Earth Science (water resources focus) and Political Science from the SUNY College at Brockport and a Master of Environmental Studies degree in Coastal and Watershed Systems from the Yale University School of Forestry and Environmental Studies. He is currently a PhD Candidate in Construction Management at Michigan State University where his research is focused on risks in the energy performance contracting process in correctional facilities. He is a member of the American Council for Construction Education, the U.S. Green Building Council, and the American Correctional Association, where he has been active with the Clean and Green Committee. He is also active in his community, serving on the Board of Directors for the Potter Park Zoo, the Housing Caucus of the Allen Neighborhood Center, and the leadership team of Restoration Works in Lansing. A native of New York City, George currently resides in Lansing, Michigan.


Stephen C. Tussey

Stephen TusseyStephen Tussey is retired from the Dept. of Justice, Federal Bureau of Prisons after a distinguished career in many challenging positions and assignment locations. Steve began his career as a correctional officer and advanced through the system holding positions of increasing responsibility until retiring as the Federal Bureau of Prisons, National Safety Administrator, the agency’s top safety and health professional. He has nearly 40 years of experience in Corrections, Occupational Safety, Environmental Health and Fire Protection.

Steve worked closely with numerous federal, state and local agencies developing inter-agency agreements and emergency response plans for bio-chemical, weapons of mass destruction, fire and natural disasters. He developed the first training agreement with OSHA, allowing the entire Bureau of Prisons safety staff to become certified OSHA instructors, therefore having a tremendous residual effect at the institutional level training hundreds of staff and inmates.

Steve continues to work in the correctional field as a consultant performing inspections of correctional facilities throughout the United States and providing advice and assistance in all aspects of correctional management.

Steve also provides expertise to Eastern Kentucky University assisting with curriculum development and instruction in correctional and safety related fields.

Steve is the Senior Safety Advisor for, an organization devoted to sustainability and recycling in correctional facilities. This organization has helped numerous prisons and jails achieve lower operating costs while reducing their environmental footprint.

You can reach Steve at

Southern Sustainability Forum November 14, 2017 in Ft. Myers FL