We grow to empower people and decarbonize economies.
We are on a mission solve energy poverty in the Global South with Lytefire solar tech and empower people with trainings to create sustainable jobs.
The Lytefire solar thermal technology is meant to empower entrepreneurs, create sustainable jobs, support local stability and create more circular and functionnal service economy while contributing to minimizing the damage of climate change.
Lytefire is a brand of Solar Fire Concentration ltd, a Finnish based company. We are an impact company with strong family ties. We grow through an ecosystem of partnerships to empower people (users and partners) locally with Lytefire.
The Lytefire Tech as you see is the result of years of development by passionate people on the ground and engineers. The technology is based on the pioneering solar innovations of Mr Fraser Symington (1920-2014).
Learn more about our model of decentralized solar economy.
Our Team

Urs Riggenbach
Chief Executive Officer (CEO), Board Director & Co-Founder
Represents the company. In charge of growth, licenses and investment. Follows operations and engages as needed.

Eva Wissenz
Managing Director (MD), Deputy CEO, Chairperson of the board & Founder
Happily in charge of general management, partnerships, communications, education, sales, marketing, investment, intellectual property, human resources, strategy, license and Solar Fire France supervision.

Lorin Symington
Chief Operations Officer (COO), Board Director & Co-Founder
In charge of implementation of all projects and managing the field team. Improving the Lytefire tech in developing countries and working on developing new applications and models.

Judith Bernet
Chief Financial Officer (CFO), Projects coordination, Grants & Foundations
In charge of finances (budgets, invoices, tracking, financial reports, payments) and also in charge of grants and relationships with foundations as well as project coordination with the COO.

Arnaud Crétot
Chief Innovation & Tech Officer (CI&TO) & Co-Founder
In charge of innovation for the EU markets and software development. Works closely with CPM / Solar Fire France. Runs NeoLoco bakery, 1st solar bakery in EU using Lytefire.

Eerik Wissenz
Founder
Thanks to his contribution, the project took amazing steps between 2005 and 2021, in terms of software development and fundraising.

Will Cleaver
Lead Design Officer, Board Director & Co-Founder
(mission based)

Muriel Fuhrer
Lead Information Officer
Managing IT, websites and communication

Samuel Rodrigues
Mission Based Project Management
Implementing projects with NGOs in East and West Africa

Joan Arwa Ogwang
Country Representative Kenya
Contributing to projects with local helpers. Finding leads and promoting Lytefire.

Martin Pouabidjie
Country Representative Burkina Faso
Contributing to projects with local helpers. Finding leads and promoting Lytefire.

Makenson Merisca
Country Representative Haiti
Contributing to projects with local helpers. Finding leads and promoting Lytefire.

Hanna Williams
Mission Based Trainer
Training for NGOs in East and West Africa

Callum McRobbie
Mission Based Trainer
Training for NGOs in East and West Africa

Auriina Korhonen
Executive Assistant
Foundations and grants process, Finnish administration (part-time)

Timothée Boisseau
Innovation assistant
Works on software development with CTO (part-time)
