Michael Grohmann

Callirius AG is a Swiss company that offers a data-driven, science-backed, and regulated portfolio of effective nature-based climate projects to mitigate climate change. The company is based in Pfaffikon, Switzerland. The company provides high-quality, transparent, and local nature-based carbon removal solutions. The company also offers solutions' assessment, carbon neutralization, and funding for carbon removal nature-based assets. Callirius was founded by Ebrahim Attarzadeh, Michael Grohmann, Tim Schuldt, and Rudolf Maier, with Ebrahim Attarzadeh serving as the CEO since incorporation.