Gregory G. Stine
President/CEO

Mr. Stine began his career serving in various roles on the Manned Space Flight Program at NASA’s Johnson Space Center. He holds the NASA project management and Flight Controller certifications. Stine’s subsequent project and program management experience has included work in the public, private, and nonprofit sectors spanning the telecommunications, aerospace, information technology, financial services, and legal fields.

In addition to his work in project execution, Stine has extensive experience in management consulting. He has consulted several Fortune 100 companies in strategic planning, performance measurement, project management, and product development lifecycle management.

Stine served on the Board of Directors of the Project Management Institute. He provided oversight of PMI’s $110 million operating budget and $93 million reserve while serving on the board's finance, audit, and investment committees.  He was also instrumental in the organization's efforts to reach compliance with Sarbanes-Oxley regulations.

He is a Sustainability Fellow at the Saint Louis University Center for Sustainability.  In addition, he is a frequent lecturer and speaker on the topics of corporate sustainability and project management at events around the globe.

He holds a Bachelors degree in biomedical engineering from Vanderbilt University and a Masters degree in project management from The George Washington University.

Don A. Hampton
COO

Mr. Hampton has over thirty years experience helping manufacturing and process companies reduce their operating costs by improving efficiencies, reducing waste, and enacting sustainable policies.

Hampton founded Hampton-Tilly Engineering, which he managed for 27 years.  In addition to his engineering company, Mr. Hampton founded and led an electrical construction company and a manufacturing company that specialized in environmental protection products.

Mr. Hampton holds several associates degrees from Oklahoma State Tech University and served on the Executive Board of Regents at Oral Roberts University.

William G. Russell
Managing Director

Mr. Russell is a nationally recognized thought leader in sustainable enterprises, with over 25 years of experience in finance, technology, environmental engineering, and management consulting. His expertise lies in helping clients use sustainability-aligned strategies to increase productivity and market share while consuming fewer resources.

Russell's experience includes 8 years as head of the Global Environmental Services practice at PricewaterhouseCoopers and Principal of Transitioning to Green, an organization with a focus on developing jobs and careers for the Green Economy.

He is an adjunct professor in the Graduate Certificate Program in Sustainability at Fairleigh Dickenson Universityand a faculty member of the American Management Association. He co-authored The Sustainable Enterprise Fieldbook, which provides information, tools, and guidance for corporate managers interested in integrating sustainability into the day-to-day realities of running a business.