Tim-Julian Michael Hartmann

nationality: Germany, Gersau

Commercial register

Rockhart AG

Member of the board of directors · sole signature · Zug

Chair of the board of directors · sole signature

until Dec 10, 2025

Chair of the board of directors · sole signature

until Nov 4, 2024
Rockhart Projects AG

Member of the board of directors · sole signature · Zug

Chair of the board of directors · sole signature

until Dec 10, 2025

Chair of the board of directors · sole signature

until Nov 4, 2024
Energy Trading & Service AG

Member of the board of directors · sole signature · Zürich

until Apr 21, 2026