Constantin Junk
Senior Solutions Manager @Stem, Inc.
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WORK HISTORY
Senior Solutions Manager @Stem, Inc.
Berlin, DE
Leading EMEA customer and market discovery to shape Stem\'s product roadmap for utility-scale solar, BESS, and hybrid projects — translating feedback into actionable inputs for cloud software and edge hardware solutions- Bridging EMEA customers and Stem\'s Product Management, Sales, and Engineering teams to scope and deliver Energy Management System (EMS)/ Power Plant Controller (PPC) and cloud platform solutions across markets- Driving EU grid code compliance and certification for Stem\'s PPC, including VDE-AR-N 4110/4120/4130, ENTSO-E, G99, NTS and CEI 0-16 requirements- Supporting EU cybersecurity and regulatory compliance efforts across NIS-2, IEC 62443 and CRA.
EDUCATION
Carl von Ossietzky University of Oldenburg
Doctor of Philosophy (Ph.D.), Wind energy meteorology
University of Hamburg
Bachelor of Science - BS, Meteorology
University of Hamburg
Master of Science - MS, Atmospheric Sciences and Meteorology
McGill University
Visiting student, Atmospheric Sciences and Meteorology
SKILLS
ABOUT CONSTANTIN JUNK
My career is driven by a passion for using data and technology to solve practical challenges in the renewable energy sector (with a focus on battery, wind and PV). I enjoy acting as the bridge between technical innovation and real-world market needs, ensuring that solutions are designed to solve the right problems. With a Ph.D. focused on energy meteorology & forecasting, I bring a strong technical foundation to my work. This was key in my previous product management role, where I guided the strategy and agile development for a cloud-based SaaS PV monitoring solution. I enjoyed working with engineering, design, and sales teams to turn customer ideas into a successful product. Today, as a Senior Solutions Manager, I apply that same approach on a broader scale. I work directly with customers and partners across EMEA—from developers, EPCs to utilities—to understand their challenges particularly when it comes to utility-scale PV and battery projects, shape our product roadmap, and lead hardware certification efforts. I thrive in this collaborative environment, connecting market feedback with our internal teams to deliver utility-scale solar and storage solutions that work.
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