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Logan Crowell

Logan Crowell Operations & Maintenance Technician My name is Logan Crowell and I am an Operations & Maintenance Technician. I’m a grateful husband to my wife, Hannah, and father to my two children, Micah and Lily. We enjoy spending time with our church family...

Scott Sass

Scott Sass Chief Technology Officer Joining Alterra 9 years ago gave me an opportunity to build and create. To create a technology that will solve one of humanity’s greatest problems: the plastic pollution crisis. To help build a team and organization that has...

Geoff Bair

Geoff Bair Operations & Maintenance Technician As an Operations & Maintenance Technician at Alterra, I am responsible for maintaining process equipment and keeping things running smoothly. Prior to joining Alterra, I was a pipefitter, a mechanic, and owner of...

Sheldon Cotts Ph.D.

Sheldon Cotts Ph.D. Senior Engineer I’m currently a Senior Engineer at Alterra. Previously, I was a Post-Doctoral Research Fellow at the University of Illinois at Chicago. I joined Alterra to spearhead the minimization of waste plastics’ impact on the...

Stan Prybyla, Ph.D.

Stan Prybyla, Ph.D. Chief Scientist I originally joined the predecessor to Alterra (Vadxx Energy) as a professional consultant in 2009 and became an employee of the company in 2011. I was intrigued by the plastics pyrolysis concept and the high level of challenge...