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Hannes RengstorfHR
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Hannes Rengstorf

@hannesrengstorf

Business intelligence and data analytics professional at TenneT TSO who developed a TSO innovation-process index and Power BI dashboards.

Germany
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At TenneT TSO, I developed an Industry Index to assess innovation management processes at transmission system operators, comparing four TSOs across ten criteria. I also developed and maintained Power BI dashboards for internal metrics and automated recurring business reports with AI-supported tools.

At Clarios, I reported on social media performance, analyzed competitors and product opportunities, and supported the measurement of an e-mobility campaign. Earlier, at LeBuzz GmbH, I prepared campaign reports and social media analyses for clients including VGH Versicherungen, Continental, and Deutsche Wohnen.

Experience

Work history, roles, and key accomplishments

TenneT TSO logoTT

Masterarbeit – Innovation Management Processes at TSOs

TenneT TSO

Mar 2025 - Aug 2025 (5 months)

Developed an industry index to evaluate innovation management processes at transmission system operators, comparing 4 TSOs against 10 criteria and improving management communication and external regulations.

TenneT TSO logoTT

Werkstudent Business Intelligence & Reporting

TenneT TSO

Aug 2024 - Jan 2025 (5 months)

Developed and maintained Power BI dashboards for internal KPIs for the Mechanical Systems and Structure team, automated recurring business reports with AI-based tools, and researched standards and regulations for documentation.

LG

Praktikum Business Strategy / Social Media Analyst

LeBuzz GmbH

Apr 2022 - May 2023 (1 year 1 month)

Handled performance tracking and reporting for clients such as VGH Versicherungen, Continental, and Deutsche Wohnen, created social media situation analyses and competitor analyses, and optimized internal processes with Asana.

Education

Degrees, certifications, and relevant coursework

Hochschule Hannover logoHH

Hochschule Hannover

Master of Science, Business Development

2023 - 2025

Master of Business Development with a focus on International Marketing, completed in 2025.

Hochschule Hannover logoHH

Hochschule Hannover

Bachelor of Arts, Integrated Media & Communication

2019 - 2023

Dual Bachelor of Arts in Integrated Media & Communication, completed in 2023.

MH

Multi Media BBS Hannover

Gestaltungstechnischer Assistent (staatl. geprüft), Design Technology

2019 - 2021

State-certified design technical assistant, completed in 2021.

BN

BBS Nienburg

Abitur, Electrical Engineering

2015 - 2018

Abitur with a focus on electrical engineering, completed in 2018.

Tech stack

Software and tools used professionally

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