Our Team

People Who Have Worked Inside the Problem

Everyone on our leadership team has either run sustainability programs at large companies or built climate-related software before joining NetZero Trail.

Hannah Caldwell
Hannah Caldwell
CEO & Co-Founder

Former VP Sustainability at Continental Industrial Group. Led three consecutive CSRD-predecessor disclosures before founding NetZero Trail. IEMA-certified environmental practitioner.

Marcus Webb
Marcus Webb
CTO & Co-Founder

10 years building data pipelines for energy analytics firms. Led engineering at a utility software startup before joining Hannah to build the technical architecture for NetZero Trail.

Dr. Priya Nair
Dr. Priya Nair
Head of Climate Science

PhD in atmospheric chemistry from CU Boulder. Published research on emission factor accuracy across industrial sectors. Oversees our methodology documentation and annual factor updates.

James Okafor
James Okafor
VP Customer Success

Previously managed ESG reporting for a regional utility covering 18 states. Brings a client-side perspective to every implementation. Has personally guided 60+ companies through their first verified inventory.

Join the Team

We are hiring across engineering, sustainability science, and customer success. If you want to work on a problem that matters with people who understand it, reach out.

Get in Touch