Geronimo Team

Our partners characterize us as hard-working, fair and creative in solving the multitude of issues necessary to complete and deliver renewable energy projects for our customers.

Our culture

Exemplified by Geronimo’s management and embraced throughout the company, Geronimo’s farmer-friendly and entrepreneurial approach is key to our corporate culture.

Capabilities and Experience

Geronimo Energy’s comprehensive internal development capabilities include real estate, sales, marketing, resource assessment, meteorology, project management, transmission, energy policy, land use regulations, environmental services, finance, construction, operations, maintenance and ownership. This ample skill set allows Geronimo to identify, market, and develop successful operational renewable energy projects.

Executive Team Members

Noel Rahn

Founder & Chairman

Blake Nixon

Chief Executive Officer

David Reamer


Betsy Engelking

Vice President, Policy and Strategy

Nathan Franzen

Vice President, Development

Roger Johanson

Vice President, Project Finance

I.P. “Kip” Knelman


John Larkey

Vice President, Origination

Joe Melsha

Vice President, Operations

Randall Porter, P.E.

Vice President, Transmission

Jeff Ringblom

Chief Financial Officer

Drew Terwilliger

Vice President, Commercial