Short biography: Sara Koller holds a Master’s degree in Environmental Geosciences from the University of Basel. Since 2009, she has been working in the wind department at Meteotest in Switzerland. In 2020, she became head of the Wind & Ice team. Meteotest represents Switzerland in IEA Tasks 54 and 52, at which Sara is active in the LiDAR in Complex Terrain working group and leads the LiDAR in cold climate working group of Task 52. Wind in all its aspects has been her topic for the last 14 years, although every time she works in the field she regrets that she is not working in the solar energy department. In her second life, Sara is a performance artist.