
People
Our team at Celtic Renewables is composed of experienced executives, engineers, and scientists. Each member is a specialist in their field, contributing their expertise to our mission.
Fair Work First
Celtic Renewables are committed to Fair Work First through living our core values of being passionate, honourable, collaborative, innovative and resolute. Living these values and having fair working practices provide individuals with a working environment that offers employees an effective voice, training & development opportunities, and equal & fair pay. You can read more in our Fair Work First Statement.

Executive Team
Brett Simpson
- Executive Chairman
Mark Simmers
- Chief Executive Officer
Kerry Crawford
- Chief Financial Officer
Jim Gibson
- Chief Operations Officer
Bettina Brierley
- Chief Commercial Officer
Kerry Johnson
- Chief People Officer
Senior Leadership Team
Alan McComb
- Head of Manufacturing
Lorna Woodcock
- Head of Technical, Research & Innovation
Daniel Borisewitz
- Head of Engineering & Projects
Prof. Martin Tangney OBE
- Founder & Scientific Advisor
Sandra Redpath
- Group Head of Finance
Henry Whaley
- Group Head of Business Planning & Analysis
Our Team
The team at Celtic Renewables
At Celtic Renewables, our dedicated and talented team is at the heart of everything we do. Each member plays a crucial role in our vision, to establish a world where sustainable, biologically derived, green chemicals, produced in harmony with planet earth replace our dependence on fossil-fuel equivalents.
