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About EKO Development

Together We Create a Lifestyle

EKO Development is a Project Management firm whose founding partners are Architects, Interior Designers and Building Science Experts with combined experience of over 80 years. Our unique method of Project Management known as Open Book/Full Discloser is contrary to the traditional GC model.

Our business model ultimately saves our clients time & money while ensuring that our design integrity is met. In addition this method encourages our clients to fully participate and understand how and where their construction dollars are spent.

Kurt Otto

President & Partner

Kurt Otto has more than 20 years of experience in architectural design and construction. He received his bachelor's degree in architecture from Pratt Institute in Brooklyn, NY and soon joined a premier New Jersey architecture firm.

Here he became the lead designer in residential architecture, project management, and business development. Today, Kurt is successfully running EKO Development and continues to add to his substantial portfolio.

Hans Erdenberger, AIA


Hans started his career in the construction industry working for a large multi-family residential developer before joining a medium sized architectural group in North Jersey. He later joined a large international AE firm as Principal before starting his own firm.​

Hans is a licensed architect since 1987 and holds a Bachelor of Architecture degree from New Jersey School of Architecture at NJIT. Hans is a member of the Deans Executive Council and serves on several mentorship committees as well as being a visiting design critic..

Charles Koch, AIA


Charlie started his career working with his father who owned a North Jersey Construction firm. Together they designed and built additions, renovations and new homes. After attending New Jersey Institute of Technology, Charlie worked for several firms before co-founding Environetics.

Charlie has over 28 years of experience and has worked closely with schools, universities and corporate clients completing projects ranging from infrastructure repairs to major developments.. He is a also principal in ENV Team in Englewood.