Greg Northrup

President & CEO

Greg leads VERBIO North America with more than 25 years of domestic and international energy development experience gained as a former executive of CMS Energy/Consumers Energy. He also has a strong background in public policy having served as president of the West Michigan Strategic Alliance, a regional organization. Most recently, Greg spent seven 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 and is responsible for public and governmental affairs, lobbying, legal affairs and corporate governance. Greg holds a BA degree (economics) from Albion College.


Rand Dueweke

VP & Director of Compliance

Rand serves as Vice President and Director of Compliance for VERBIO North America and is responsible for environmental credits and markets, compliance with domestic and international renewable and low carbon fuels programs, sustainability certifications, quality management, internal audit, IT, research and special projects. Rand previously spent six years in progressive roles with consulting firm Sustainable Partners, working to develop and finance anaerobic digestion and combined heat and power energy projects and provide related technical advisory services. Rand’s academic background includes a BA (chemistry) from Kalamazoo College and MS (cell and molecular biotechnology) and MBA (finance) degrees from Grand Valley State University.


Alicia Webber

Chief Financial Officer

Alicia leads the financial operations of VERBIO North America as Chief Financial Officer and Treasurer. She is responsible for budgeting, financial and tax strategy, oversight of financial metrics and controls, internal and external reporting, insurance, and treasury management. Alicia previously spent over ten years with Autoneum North America in roles of increasing responsibility, including senior accountant, team leader for ERP implementation, director of treasury and shared services, plant controller, and director of operations controlling. She also has previous experience as a financial analyst and tax associate is various industries. Alicia earned a BS degree (business administration & accounting) from The Ohio State University and holds a certified public accountant certificate (Illinois Board of Examiners).


Ron DeJongh

President - VERBIO Farm Services

Ron leads VERBIO Farm Services and is responsible for managing the agricultural relationships of the organization including feedstock origination, risk management, and marketing of byproducts and agronomic solutions. Ron has 30 years of experience at large, domestic and international firms with expertise in risk and supply chain management, including production agriculture, grain handling and trading, and logistics. Most recently, Ron was the EVP of Grain for Landus Cooperative where he led grain marketing, origination, logistics and operations.  Prior to Landus, he worked for Columbia Grain International, Ltd. and AGP Grain, Ltd. where he directed all marketing and operations of grain elevators, fertilizer and agronomy operations, and grain marketing businesses in Spain & Belgium. Ron holds a BS degree (agricultural business) from University of Minnesota.

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Greg Faith

President - VERBIO Nevada Biorefinery

Greg leads VERBIO's ethanol and renewable natural gas 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 greenfield and brownfield facilities. He enjoys being part of a team and thrives in challenging work environments. Greg's academic background includes a BS (chemical engineering) from Iowa State University and an MBA from Bellevue University.

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Lee Whitley

President - VERBIO Diesel Canada

Lee leads VERBIO’s biodiesel plant in Welland, Ontario, and 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 academic background includes an Honors Diploma (business) among several other Operational Leadership Programs.

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