Justine Siebert

Why this persona fits the audience

Leads market pricing reporting for a dairy brand in Germany. Her team receives a NielsenIQ subscription extract plus retailer website checks, and she reconciles both sources when preparing monthly category reviews.

• Age: 39
• Location: Cologne, Germany
• Occupation: Commercial insights lead
• Income: €78k base
• Education: MSc in Business Administration
• Company size: Mid-sized (approx. 500 employees)
• Years in role: 5

“The truth is in the numbers, but understanding *why* the numbers are what they are – that's where the real insight lies.”

Justine Siebert, 39, has carved out a niche for herself as a Commercial Insights Lead at a prominent German dairy manufacturer, a role she's held for five years. Her academic background, an MSc in Business Administration, provided a strong theoretical foundation, but it's her practical application of data analysis that defines her professional identity. Living in Cologne with her partner, she maintains a disciplined lifestyle that balances her demanding career with personal well-being. Her days are a meticulous dance with data, primarily focused on market pricing. She leads a small team responsible for generating monthly category reviews, a critical task that involves the painstaking reconciliation of NielsenIQ subscription data with information scraped from major German retailer websites. This dual-source approach is her current methodology, born from a need for granular accuracy and a deep-seated belief in evidence-based decision-making. She views this reconciliation process not just as a task, but as a vital quality control step, ensuring the integrity of the insights presented to the commercial teams. Her income of €78k base reflects her specialized skills and the responsibility she holds. Justine is driven by a desire for consistency and quality in her work, finding satisfaction in creating clear, reliable dashboards that illuminate market trends. She’s not one for grand gestures or unnecessary risks, preferring a systematic, methodical approach to both her career and personal life. Her current professional challenge revolves around optimizing this data reconciliation process, seeking ways to introduce more efficiency without sacrificing the high standards she upholds. She sees her role as a crucial bridge between raw data and strategic business actions, a responsibility she takes very seriously.

Background & daily life

A day in their life

A typical Tuesday begins around 7:00 AM with a quick check of overnight market news and emails while having coffee. After a 20-minute yoga session, she cycles to the office, arriving by 8:30 AM. The morning is dedicated to reviewing her team's progress on the latest NielsenIQ data extract and cross-referencing it with scraped retailer website data for the upcoming monthly category review. She spends an hour in a team meeting discussing initial findings and potential discrepancies. Lunch is usually a quick, healthy meal at her desk while catching up on industry articles. The afternoon involves deep dives into specific data points, preparing charts for the review presentation, and responding to ad-hoc data requests from the sales team. She leaves around 6:00 PM, often feeling satisfied but mentally fatigued from the intense focus required.

Lifestyle

Justine lives in a comfortable apartment in a well-connected Cologne neighborhood with her partner, a software engineer. Their routine is balanced; mornings often start with a quick yoga session at home, followed by a brisk cycle commute to the office. Weekends are a mix of longer cycling excursions along the Rhine, grocery shopping (she's always observing shelf layouts and promotions), and quiet evenings at home. She's financially prudent, saving consistently for future travel and home improvements, and values experiences over material possessions. Socially, she prefers smaller gatherings with close friends over large parties.

Work life

As a Commercial Insights Lead, Justine's days are heavily data-driven. Her primary responsibility is to translate raw market data into actionable insights for the dairy brand's commercial teams. This involves meticulously reconciling NielsenIQ subscription data with manual checks from major German retailer websites – a process she finds both challenging and crucial for accuracy. She works closely with a small team of analysts, guiding their data extraction and initial processing. The pressure is constant to deliver timely, accurate monthly category reviews that inform pricing and promotional strategies, often requiring late nights during reporting cycles. Her focus is on ensuring the integrity and consistency of the data presented.

Relationships

Justine is in a stable, long-term relationship with her partner, who provides a supportive and grounding influence. Her immediate family lives in a different region, so interactions are mostly via phone calls and occasional visits. At work, she has a good rapport with her direct reports and maintains professional, collaborative relationships with colleagues in marketing and sales, though she tends to keep her social circle at work separate from her personal life.

How they decide

Justine is highly analytical and research-driven in her decision-making. She prioritizes data accuracy and thorough investigation before committing to a course of action. She is cautious, preferring to understand all variables and potential outcomes, and relies on evidence to support her conclusions. While she values input from her team, the final decision rests on a robust analysis of the available facts.

How they sound

Speaks clearly and precisely, with a measured pace. Her tone is generally professional and objective, avoiding overly casual slang or emotional language. She uses precise terminology related to data analysis and market research. When explaining complex topics, she tends to be thorough, ensuring all details are covered. She rarely raises her voice and maintains a calm demeanor even under pressure.