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Growth Design Corporation

GDC is developing an Anaerobic Digester project in Seward, NE resulting in the creation of biogas, fertilizer and other salable products.

  • Stage Prototype Ready
  • Industry Industrial/Energy
  • Location Seward, NE, USA
  • Currency USD
  • Founded June 2011
  • Employees 20

Company Summary

GDC focuses on the development of waste-to-energy projects. Its projects result in the reduction of animal and plant waste addressing the concerns for generating energy from agricultural sources. GDC projects will create multiple salable products such as pipeline quality biogas and ammonium sulfate fertilizer; therefore there is no reliance on government incentives to be profitable. GDC’s projects match technology with available feedstock.


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    Byron L. Tweeten
    Chairman and CEO

    Mr. Tweeten is founder and chair of Growth Design Corporation, a business services firm that has provided consulting and other organizational and resource development solutions to over 700 clients in domestic and global markets since 1981. He has led the start-up of the Growth Design Energy division which focuses on the integration of multiple waste to renewable energy technologies with energy-intensive businesses to stimulate economic growth and

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    Howard Hohl
    President, Project Development

    Mr. Hohl has over 35 years of experience specializing in process combustion systems and abatement equipment including boilers, thermal oxidizers, regenerative thermal oxidizers, and vapor combustors for industrial applications in the chemical industry, pulp and paper, ethanol/biofuels, wood products, steel, and waste-to-energy. He currently works as an independent contractor.

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    David D. Fumi
    Senior Vice President - Financial Strategies

    Mr. Fumi has over 25 years of finance experience and joined Growth Design Corporation in 2011 as Senior Vice President of Financial Strategies. His responsibilities include sourcing debt and equity capital for Growth Design’s renewable energy projects. In addition, he has worked with municipalities and municipal economic development corporations where Growth Design renewable energy projects for economic development and job creation will be loca

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    Todd Woodley
    Growth Design Board Member

    Mr. Woodley has 25 years of distinguished experience in project management, capital planning, estimating, and finance, with special emphasis on administration. His specific expertise includes capital planning and development, acquisition of construction financing for private development projects; multifamily and commercial development, lease-up, and management; in addition to traditional roles of commercial and industrial construction management,


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    David Siegrist, Siegrist & Jones, P.C., Britt, IA
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    Dave Arndt, D.K. Arndt, P.C., Forest City, Iowa

Previous Investors

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    Byron Tweeten
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    Dave Steffens, Norsemen Trucking, Lake Mills, IA
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    Todd Woodley, Woodley Properties