Silke Johannsen

Angestellt, Lead Data Scientist, Peter Pane Burgergrill & Bar
Abschluss: PhD, University of Bristol
Hamburg, Deutschland

Fähigkeiten und Kenntnisse

Data Science
Machine Learning
AWS SageMaker
Statistics
Data Analysis
R
RStudio
Snowflake
SQL
Git
GitLab
Amazon Web Services (AWS)
Microsoft Power BI
Visualisation
Publications
Research
MS Office
TensorFlow
English Language
Epidemiology
Business Analytics

Werdegang

Berufserfahrung von Silke Johannsen

  • Bis heute 11 Monate, seit Jan. 2025

    Lead Data Scientist

    Peter Pane Burgergrill & Bar

    Hired to lead the data strategy for setting up a modern analytical data warehouse, serving as the central data expert during the implementation phase. Head of Controlling, coordinated analytical activities and ensured data consistency for financial and operational reporting. Responsible for delivering analytical reports and insights to C-level executives, supporting strategic decision-making with timely, accurate information.

  • 1 Jahr und 2 Monate, Nov. 2023 - Dez. 2024

    Lead Data Scientist (Global)

    Domino's Pizza Entreprise

    Led pricing reviews and elasticity modelling across multiple international markets, using ML techniques and presenting insights to marketing, finance and C-level stakeholders. Mentored BI and data science teams on analytical methods and best practices. Applied clustering and segmentation to demographic and competitor data to reveal market patterns. Designed and analysed controlled experiments using robust statistical testing. Developed recommender systems and basket analysis models for EU markets.

  • 2 Jahre und 4 Monate, Juli 2021 - Okt. 2023

    EU Data Scientist

    Domino's Pizza Entreprise

  • 11 Monate, Sep. 2020 - Juli 2021

    Business Information Analyst (Maternity Cover)

    Domino's Pizza Deutschland GmbH

    Responsible for marketing campaign analysis and the development and maintenance of sales reports, providing timely performance insights. Conducted ingredient-level demand forecasting for promotional products to support supply chain and marketing planning. Performed menu analysis to inform product strategy and optimise offerings. Prepared analytical reports for national and international managers to support strategic and operational decisions.

  • 1 Jahr und 7 Monate, Juni 2018 - Dez. 2019

    Data Scientist

    ALD Automotive

    Developed predictive models for residual value forecasting and leasing rates for vehicle maintenance and tyre services. Designed, maintained and automated business reports in R and RStudio Server to improve reporting efficiency. Created and maintained an internal R package to standardise analytical functions and improve team productivity. Conducted ad-hoc analyses on strategic topics to support management and international teams.

  • 1 Jahr und 6 Monate, Jan. 2017 - Juni 2018

    Consultant

    SJ Consulting - Epidemiologische und Statistische Auswertungen und Beratung

    Built predictive customer models and conducted advanced statistical analyses, including linear mixed-effects modeling; provided statistical guidance for academic publications.

  • 2 Jahre und 6 Monate, Juli 2014 - Dez. 2016

    Epidemiologist

    Herzzentrum, Universitätsklinikum Hamburg-Eppendorf, Germany

    Analysis of large population-based cohorts e.g. Gutenberg Health Study, Mainz area, Germany; and BiomarCaRE (former Monica and Morgam) cohorts. My research focused on cardiovascular diseases and gender differences with an emphasis on atrial fibrillation and its predictors.

  • 1 Jahr und 3 Monate, Aug. 2012 - Okt. 2013

    Senior Public Health Intelligence Analyst

    Swindon Borough Council, Swindon, United Kingdom

    Analysing, publishing and presenting public health and epidemiological data, with a focus on trends, health inequalities and needs assessments.

  • 7 Monate, Feb. 2012 - Aug. 2012

    Public Health Intelligence Analyst (Maternity cover)

    NHS South Gloucestershire, Yates, United Kingdom

    Experienced in data analysis, interpretation and presentation for internal and external stakeholders. Provided specialist advice on health intelligence, including the development and analysis of health datasets.

  • 2 Jahre, Feb. 2010 - Jan. 2012

    Public Health Intelligence Analyst

    South West Public Health Observatory, Bristol, United Kingdom

    Data extraction, statistical analysis and report writing to inform health professionals, researchers, policymakers and key stakeholders. Skilled in surveillance and monitoring of population health trends using spreadsheets, mapping and analytical tools to identify vulnerable groups, highlight health inequalities, and support equality and diversity analyses.

Ausbildung von Silke Johannsen

  • 2004 - 2009

    Biology

    University of Bristol

    Freshwater Biology. Thesis: 'The effect of minimum tillage on stream diatom communities' (part of the EU-Life project: Soil and Water Protection using Conservation Agriculture in Northern and Central Europe, SOWAP)

  • 2002 - 2004

    Biology

    Aarhus Universitet

    Freshwater Biology. Thesis: 'Diatoms as biological indicators in Danish lowland streams' (part of the EU project: ‘Standardisation of River Classification’ )

Sprachen

  • Dänisch

    Muttersprache

  • Deutsch

    Muttersprache

  • Englisch

    Fließend

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