Barbara Teszler
Product Owner @National Energy System Operator
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WORK HISTORY
Product Owner @National Energy System Operator
GB
NESO is on a mission to transform energy management for people and industries across the UK, playing a pivotal role in the UK’s transition to net zero by 2050.I’m proud to contribute as part of the product team, building best-in-class tools that empower the brightest minds in the energy sector to turn ambition into action.
EDUCATION
IV Liceum Ogólnoksztalcace w Sosnowcu
High School
Politechnika Śląska w Gliwicach
Bachelor's Degree
SKILLS
ABOUT BARBARA TESZLER
I help products scale and organisations grow, while keeping strategy, governance and people at the centre.With over 20 years of experience in cybersecurity, utilities, publishing, and large-scale digital platforms, I have led high-stakes transformations, delivered first-of-their-kind innovations, and scaled platforms serving more than 9 million users. My focus has been on driving loyalty and resilience in highly competitive markets while ensuring positive impact.What drives me now is shaping the future as a Head of Product and contributing as a Non-Executive Director. I bring:Strategic leadership – guiding organisations through transformation and sustainable growth.Commercial insight – from boosting engagement by 300% to packaging enterprise solutions.Risk and governance expertise – cybersecurity knowledge, regulatory collaboration and trustee experience.Stakeholder influence – aligning executives, boards and teams to deliver sustainable outcomes.Positive impact – committed to products and decisions that improve lives, with hands-on community work as a trustee at Surrey Community Action.Lived experience – resilience, adaptability and an international perspective.I take my work seriously, but not myself. Less jargon, more clarity, plenty of good coffee.
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