Greg Northrup

President & CEO

Greg leads VERBIO North America with more than 25 years of domestic and international energy development experience as a former executive of CMS Energy/Consumers Energy. He has a strong background in public policy having served as President of the West Michigan Strategic Alliance, a regional organization. Most recently, Greg spent 6 years as President of Sustainable Partners, a consulting firm he founded to help major energy users and organic waste producers lower their total costs by developing and financing anaerobic digestion and combined heat and power energy projects. Now as President & CEO of VERBIO North America, Greg leads strategic business development, public relations, and legal affairs. Greg's educational background includes a BA (economics).


Rand Dueweke

Chief Financial Officer

Rand leads the financial and operating activities of VERBIO North America and serves as the primary interface between VERBIO Germany and its subsidiaries in the USA and Canada. He is responsible for construction management, financial and accounting oversight, human resources, information technology, procurement and sales, risk management and regulatory compliance. Rand previously spent 6 years as the Principal Strategist of consulting firm Sustainable Partners, working to develop and finance anaerobic digestion and combined heat and power energy projects and provide related advisory and technical services. Rand’s academic background includes an MBA (finance), MS (cell and molecular biotechnology) and BA (chemistry).


Greg Faith

Plant Manager - Nevada

Greg leads VERBIO's biorefinery in Nevada, Iowa and is responsible for managing plant costs, reliability, quality and maintenance. Greg is an accomplished chemical engineer with 25 years of experience in agricultural processes in the areas of operations leadership, process engineering, project management, and product development. Greg has extensive background providing leadership and technical direction to teams in development and optimization of production plants utilizing numerous different unit operations. He is also experienced in providing leadership for startup and operating green field and brown field facilities. He enjoys being part of a team and thrives in challenging work environments. Greg's educational background includes a BS (chemical engineering) and an MBA.

Greg Faith

Lee Whitley

Plant Manager - Welland

Lee leads Verbio Diesel Canada’s biodiesel plant in Welland, Ontario. Lee is responsible for the overall managerial operations including health and safety, fiscal responsibility, operations, quality and reliability. Lee is a seasoned plant manager with over 25 years experience working for a food ingredients refinery, including the last 8+ years in plant management positions. Lee has an extensive background in continuous improvement which has lead to lowered operational costs, optimized production and debottlenecked operations. Lee promotes environmental stewardship and encourages solid community relations within the regions he has managed.  Lee’s educational background includes an Honors Diploma (business) among several other Operational Leadership Programs.

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