Jessie
Senior Insight and Modelling - Marketing @SunLife UK
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WORK HISTORY
Senior Insight and Modelling - Marketing @SunLife UK
Holdout Experimentation: Designed the department\'s first robust holdout test by calculating Minimum Detectable Effect (MDE) and sample sizes for a 10% holdout, establishing the standard for setting experimentation.• CRM Incrementality Analysis: Identified a £115k profit opportunity by analysing marketable vs. non-marketable segments, proving only 2% uplift from physical mailers compared to non-marketable segments.• Propensity Modeling: Developed a HistGradientBoost model in Python, increasing prediction precision from 19% to 52%. Identified a high-propensity segment with a 3.84 ROI (vs. 1.37 in low-propensity groups) by leveraging historical purchase data.
EDUCATION
University of Bath
Master's degree, Management
Sun Yat-sen University
Bachelor's degree, Bsc Chemistry
ABOUT JESSIE
I am a Data and Insight Analyst with a combined 4+ years of experience in the automative marketplace, financial services and real estate industries. I specialise in transforming data into actionable insights that drive business growth and understand customer behaviour.Some examples include:• Identified a 70% increase in nominations process during a two-month campaign period, compared to the two months prior.• % in pilot campaign by conducted conversion funnel analysis.• Developed reports and updated stored procedures to ensure reporting accuracy following new process changes.I am currently advancing my skills in Python for predictive analysis and A/B testing to further enhance customer behaviour analysis. In my last role at the Pension Protection Fund, I proactively developed my skills in Power BI by building end-to-end data models using the star schema design, creating measures with DAX, delivering to stakeholders to showcase insights.Additionally, I have completed a Data Storytelling course to better communicate insights in an impactful way.I am excited about using data insights to drive transformation in fast-evolving industries such as finance and technology. Outside of work, I enjoy traveling to different countries and Sevilla being one of my favourite cities. Exploring new cultures broadens my perspective and helps me bring creative, actionable insights to my work4
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