Currently a growing team with big plans
The Board
![](https://usercontent.one/wp/www.mantlepower.com/wp-content/uploads/2022/07/292917917_1111743269778315_6254932436393465974_n-1020x1024.jpg?media=1666879981)
Andreas Caggianella
Member of the Board, Chief Financial Officer & Chief Executive Officer
M.Sc in Sustainability Auditing.
His hobbies include driving motorcycles where no motorcycle was ever intended to be.
![Rana Maarouf](https://usercontent.one/wp/www.mantlepower.com/wp-content/uploads/2022/10/Rana-cropped-769x1024.jpg?media=1666879981)
Rana Maarouf
Member of the Board
Economist & Investor
Hobbies include collecting greentech and food companies.
Staff
![](https://usercontent.one/wp/www.mantlepower.com/wp-content/uploads/2022/07/carl-2-783x1024.jpg?media=1666879981)
Carl Rehnberg
Chief Operating Officer
Geophysicist and volcanologist, former CEO of various companies.
His hobbies include building factories in Africa.
![](https://usercontent.one/wp/www.mantlepower.com/wp-content/uploads/2022/07/Nick-profile-shot-2.jpg?media=1666879981)
Nick Small
Director of Communication
Nick has spent three decades in the broadcast industry as a writer, producer and director for the BBC, National Geographic and Discovery among others.
His hobbies include running up volcanoes (and filming them).
![](https://usercontent.one/wp/www.mantlepower.com/wp-content/uploads/2022/07/20210124_140223-1.jpg?media=1666879981)
Gareth Dale
Chief Technical Officer
Gareth has spent two decades in the IT industry as a webmaster, media developer (content and storyboarding), server and firewall administrator as well as a general IT support role.
His hobbies include playing music (bass guitar) and fishing.