In short

~4.5 years experience as Data Analyst with knowledge of variety of tools/frameworks and good mathematical understanding of probability and statistics. Worked for companies such as Booking.com and consulted companies like Europcar, Patagonia, Mazda,... Excellent ability to communicate insights to business stakeholders.

Tools/frameworks

Programming: Python, R, SQL
ETL: Hadoop, Spark, Hive, BigQuery, Oozie/Argo (K8) workflows
Visualisation: Tableau, Google Data Studio, matplotlib, ggplot
Digital Marketing: Google Analytics, Google Ad Manager, DV360
Misc: Experimentation, Data modelling, Exploratory data analysis

Get in touch!

Tel: +31 6 45 50 27 81
Email: mahy_nicolas@hotmail.com
Let's connect: linkedin.com/in/nicolas-mahy/
D.O.B.: 28/09/1992

Click here for the full version of my CV: www.nicolasmahy.com

Work experience

Booking.com

(Online Travel Agency, 12k FTE)

Data Analyst

  • Analyzing experiments and translating to business context
  • Experimentation design, power calculations
  • Market sizing and estimating potential of new products, in close contact with commercial stakeholders
  • Owning and improving data quality of crucial business metrics
  • Building dashboards to facilitate data driven decision making
  • Tools: Python, R, SQL, Hadoop, Spark, Hive, Oozie/Argo workflows, Tableau, plotly, ggplot,...

June 2019 - Present

+3 years, 9 months

Merkle NL

(Digital Marketing Agency, 280 FTE)

Digital Data Analyst (Consultant)

  • Consulting companies such as Mazda Europe, Patagonia, Europcar, Bruna, Hema,...
  • Data analysis projects like path analysis, recommender module, attribution analysis, ...
  • Building scripts/tools for marketing automation
  • Analyzing and build A/B tests
  • Collecting data of online behavior of users and think of ways to make marketing more efficient
  • Combining, structuring and visualizing data flows
  • Tools: Python, R, SQL, BigQuery, Google Data Studio, Google Analytics, Google Ad Manager, DV360, Relay42,...

February 2018 - May 2019

1 year, 4 months

Qualifio

(SaaS Interactive Marketing/Data Collection, 70 FTE)

Account Manager

  • Assisting clients with online marketing strategy
  • Implementing minor design changes (front end development)
  • Researching organisations and individuals to identify new leads and potential new markets
  • Contacting potential clients via email or phone to establish rapport and set up meetings
  • Building and maintaining strong, long-lasting customer relationships

August 2017 — January 2018

6 months

Education

University of Worcester

Worcester, United Kingdom

Master of Science International Management

Extracurricular activities:

  • Committee Member of the Economics Society
  • Member of the Debating Society
  • Member of the Table tennis Society
  • Student Representative

September 2016 - June 2017

UC Leuven-Limburg

Leuven, Belgium

Bachelor Degree, Advanced Business Management

Extracurricular activities: Chess Club

September 2015 - June 2016

Hogeschool West-Flanders

Bruges, Belgium

Bachelor Degree, Sports and Exercise

Extracurricular activities:

  • Student Representative

September 2012 - June 2015

Courses and certficates

Harvard University

Stats 110: Probability

2020 - 2020

Khan Academy

Mathematics

  • Calculus
  • (Linear) Algebra
  • Probability

2019 - 2019

Johns Hopkins University

Regression Models

  • Regression analysis, least squares and inference using regression models
  • Special cases of the regression model, like ANOVA and ANCOVA
  • Analysis of residuals and variability



Stanford University

Machine Learning

  • Supervised learning (parametric/non-parametric algorithms, support vector machines, kernels, neural networks)
  • Unsupervised learning (clustering, dimensionality reduction, recommender systems, deep learning)
  • Best practices in machine learning (bias/variance theory; innovation process in machine learning and AI)



Johns Hopkins University

Data Science, Exploratory Data Analysis

  • Essential exploratory techniques for summarizing data
  • Plotting systems in R
  • Cluster analysis techniques to locate patterns in data



Coolblue

Masterclass E-Commerce

  • Logistics challenges
  • Business cases
  • Sales and marketing approaches




Self-study / Books

  • Trustworthy Online Controlled Experiments
    by Ron Kohavi, Diane Tang, Ya Xu
  • Introduction to Machine Learning with Python
    by Andreas Müller, Sarah Guido
  • Discovering Statistics using R
    by Andy Field, Jeremy Miles
  • Hands-On Machine Learning with Scikit-Learn and TensorFlow
    by Aurélien Géron
  • ...

Languages

Dutch (Native or bilingual proficiency)

100%

English (Native or bilingual proficiency)

90%

French (Elementary proficiency)

65%

Volunteering

De Voedselkringloop

Logistics (The Netherlands)

  • Transport food waste
  • Brainstorm about marketing strategy

May 2018 - August 2018

Worcester Arts Workshop

Web developer / Marketeer (United Kingdom)

  • Setting up online booking system
  • Discussing marketing strategies
  • Optimising website layout
  • Organising meetings with stakeholders

May 2017 - June 2017

Responsible Young Drivers

Logistic Coordinator (Belgium)

  • Encouraging people not to drink and drive
  • Driving people home safely on New Years eve

September 2016 - January 2017

Jong VLD Leuven

Board Member (Belgium)

  • Developing website
  • Online marketing to promote events
  • Discussing local government policy issues
  • Organizing events to make young people more aware of politics
  • Coördinating promotional activities of the events

2016 - 2017