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.
Solar Fire Team and Board

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, IP, HR, strategy, license.

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

Arnaud Crétot
Chief Innovation
& Tech Officer (CI&TO)
& Co-Founder
Innovation for the EU and software development. Runs NeoLoco bakery, 1st solar bakery in EU using Lytefire.

Judith Bernet
Chief Financial Officer (CFO), Projects coordination, Grants & Foundations
Finances, grants and relationships with foundations as well as project coordination with the COO.

Muriel Fuhrer
Lead Information Officer
Managing IT, websites
& communication with CEO and MD

Samuel Rodrigues
Projects Management
& Trainer in Africa
Implementing projects with NGOs
in East and West Africa (mission based)

Joan Arwa Ogwang
Country Representative in Kenya
Contributing to projects with local helpers. Finding leads and promoting Lytefire. 1st Solar Bakery in Kenya using Lytefire.

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

Jared Omondi
Technician in Kenya
Working with us since 2016. Runs workshop in Kenya.

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

Pitamber Véret Chang
Communications Assistant
Works on communication and digital material creation (part-time)
