SMA Solar Technology AG
Joanna Marienhagen has extensive experience in the solar and engineering sectors, currently serving as the Senior Vice President of Portfolio Management and Solution Development at SMA Solar since 2008. Joanna has held various leadership roles at SMA Solar, including Head of Power Conversion Home and Head of Product Group Inverter. Prior to this, Joanna worked as a consultant at Quality Management System Consulting from 2006 to 2008 and held positions at Tetra Pak, where responsibilities included Quality Assurance Manager and Quality Assurance Engineer from 1997 to 2003. Joanna began her career at Alfa Laval as a Projektingenieur from 1995 to 1996. Educational achievements include a Master of Business Administration from Northwestern University and a Diplom Wirtschaftsingenieurin from NORDAKADEMIE Graduate School.
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SMA Solar Technology AG
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SMA Solar Technology AG is a Germany-based developer of photovoltaic (PV) system technology. The Company operates through five segments: Residential, Commercial, Utility, Off-Grid and Storage and Service. The Residential segment focuses on small PV systems for private applications with micro and string inverters, energy management solutions, storage systems and communication products and accessories. The Commercial segment provides three-phase string inverters, energy management solutions, medium-voltage technology and other accessories. The Utility segment specializes in large-scale PV power plants with central inverters, and also provides grid services. The Off-Grid and Storage segment offers system technology for the integration of different battery technologies and power classes and collaborates with battery manufacturers and companies in the automotive industry. The Service segment comprises service and maintenance, operational management and the spare parts business.