About

Reduce Energy.
Cut Carbon.

We deliver significant reductions in carbon emissions and energy costs through a unique mix of specialist skills, innovative thinking, rigorous project management and proprietary technology.

12100
Employees
4
Continents
25
Countries

Leadership Team

With a team of more than a hundred multidisciplinary experts, we stand fully equipped to assist in charting your course toward a sustainable energy future.

John Hensey
BEng CEng MIMechE MBA
CEO
Read Bio
Donall O’Brien
BEng, CEA
CTO
Read Bio
Andreas Bielderman
Master Business Economics
CFO & COO
Read Bio
Finbar Nash
BBS
HR Director
Read Bio
Colm Flanagan
BEng, CEng, MIEI
Business Development Director
Read Bio
Dave Cotterell
BEng
Solutions & Design Lead
Read Bio
Peter Butler
BEng, MEngSc, HDipSc, CEA
Senior Management Consultant & Team Lead
Read Bio
Stuart Duncan
BA (Hons)
Key Account Director
Read Bio
Katie Vellner
MSc, BBS (Hons), PgDip
Business Development Manager
Read Bio
Marc O’Halloran
BEng, PMP
Project Manager & Team Lead
Read Bio
Mitch Carr
BSc, MSc
Digital & Analytics Lead
Read Bio
Seán Sirr
PhD, MSc, BEng(Hons)
Senior Manager Innovation
Read Bio
Tim Dorrington
BEng (Honours), MIEI, CEM, PSDP
Senior Energy Consultant & Team Lead
Read Bio
Paula Holton
BBS, PMP
HR Lead
Read Bio
Niamh Hogan
BA, ACCA
Financial Controller and Ethics & Compliance Officer
Read Bio
Jimmy O’Sullivan
BEng (Hons), MEngSc, CEM, MIEI
Senior Energy Consultant & Energy Team Lead
Read Bio
Graciano Tornero Mínguez
MEng, BEng, CEA
Iberia & LATAM Regional Lead
Read Bio
Aoife Bourke
CEA, BEng
US Regional Lead & Energy Consultant
Read Bio
James Dooley
BEng (Hons)
Team Lead
Read Bio
Carl Wood
BSc, MSc (Hons)
UK Regional Lead
Read Bio
Shane Marren
MSc, BEng, CEA
Team Lead Energy & Projects
Read Bio
Rebecca Nolan
BEng, CEA
US Projects Lead
Read Bio
Careers

Engineering Change

Explore exciting career opportunities and join us in helping to shape the future of sustainable energy in the manufacturing sector.
Join Our Team

Let’s Talk

See our contact page for phone numbers or fill out the form, and we’ll get back to you promptly.

"*" indicates required fields

Name*
This field is for validation purposes and should be left unchanged.
*Required Field.