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Polarium appoints Mark Schiller as EVP Program Management
4th November, 2025Polarium, a leader in energy storage solutions, is pleased to announce the appointment of Mark Schiller as Executive Vice President, Program Management, effective immediately.
In his new role, Mark will oversee the strategic direction and execution of Polarium’s program portfolio, ensuring operational excellence, customer success, and the continued acceleration of the company’s innovation and growth.
Mark brings extensive international experience in program management of large transformations as well as operations strategy & supply chain management, from multiple strategic projects across the energy, industrial and technology sector. His proven track record in driving large-scale transformation initiatives and delivering complex projects positions him ideally to support Polarium’s mission of enabling a smart and sustainable energy future.
“We are thrilled to welcome Mark to our leadership team,” said Leif Ottosson, CEO of Polarium .“His deep expertise and global perspective will be invaluable as we continue to scale our operations and strengthen our position as a trusted partner in the energy transition.”
Commenting on his appointment, Mark Schiller said:
“I am excited to join Polarium at such a pivotal time for the energy storage industry. The company’s commitment to innovation aligns perfectly with my own passion for advancing technologies that make a real difference in the world.”
With Mark’s appointment, Polarium continues to reinforce its leadership capabilities to support its rapid expansion and ongoing commitment to delivering safe, smart, and sustainable energy storage solutions worldwide.
About Polarium
Polarium is a leading energy storage developer. We make energy storage and optimization solutions built on lithium-ion battery technology for businesses within telecom, commercial, industrial and residential facilities across the world. Polarium was founded in 2015 on the conviction that safe, smart and sustainable energy storage solutions will be key to empower the transition to a truly, sustainable energy future. We are an impact business contributing to the sustainable energy transformation by enabling renewables, electrification and intermittent power supply. Our cutting-edge and easily adaptable modular battery technology enables us to be in the forefront of developing state-of-the-art sustainable energy storage and optimization solutions for today – and tomorrow. Polarium is headquartered in Stockholm, with production in Vietnam, and customers across the world.
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