Energy Transition & Sustainable InnovationOhmium International Appoints Veteran Energy Sector Leader as New CEOBusiness WireJune 19, 2025June 20, 2025 by Business WireJune 19, 2025June 20, 2025018 Ohmium International, a leading manufacturer of advanced PEM hydrogen electrolyzers, announced the appointment of Dr. Markus Tacke as its new CEO, effective July 1, 2025....