Stefan Decker

Bis 2016, Growth & Analytics Specialist, SwitchUp

Berlin, Germany

Skills

Data Science
Machine Learning
Python
SQL
C++
Data Analysis
E-Commerce
Digital strategy
Agiles Projektmanagement

Timeline

Professional experience for Stefan Decker

  • Current 5 years and 1 month, since May 2019

    Data Scientist

    Zeitgold GmbH
  • 1 year and 11 months, Jun 2017 - Apr 2019

    Machine Learning Engineer

    i2x GmbH

    - Building data pipelines to make data useful for our Machine Learning Models - Building data products for the core product using Python and C++ - Prototyping Machine Learning and rule based systems to test new ideas

  • 2 years and 10 months, Jun 2014 - Mar 2017

    Co-Founder, Analytics Specialist

    Hollys Natural UG

    Hollys Natural was a lifestyle company specialised in all natural, cruelty-free cosmetics, inspired by DIY recipes. - Bootstrapped brand with no external funding to 5 digit monthly revenue in less than 12 months. - Built Instagram scraping and analytics tool using Excel (XML Import) that enabled rapid scaling of marketing activities. - Creative and methodological conception of A/B tests which increased conversion rate by 30%.

  • 11 months, Sep 2015 - Jul 2016

    Growth & Analytics Specialist

    SwitchUp

    - Conceptualised and built complex rule based CRM tool with Excel which made the development of a Ruby application temporarily unnecessary. - Developed Excel BI tool using system and Mixpanel data to monitor company-wide KPIs and support strategic decisions

  • 2 years, Jun 2012 - May 2014

    Co-Founder & CMO

    stylemarks GmbH

    - Led team of 10 people to pivot the company prior to its acquisition. - Set up web and mobile BI system using Google Analytics, Mixpanel and adjust.io.

  • 1 year, Jul 2011 - Jun 2012

    Transaction Advisory Services

    Ernst & Young GmbH

    - Mitarbeit in allen Phasen des Due Diligence Prozesses - Markt- und Unternehmensanalysen - Anfertigung von Kundenpräsentationen

  • 4 months, Feb 2011 - May 2011

    M&A

    DC Advisory Partners GmbH,

    - Markt- und Unternehmensanalysen - Anfertigung von Kundenpräsentationen - Unternehmensbewertungen

  • 4 months, Sep 2010 - Dec 2010

    Logistik

    Volkswagen de México S.A. de C.V.

    - Reporting bezüglich des Bestellmanagements - Anfertigung einer Anleitung für SAP-Bestellprozesse - Mitarbeiterschulungen

  • 4 months, Jul 2008 - Oct 2008

    Verkäufercontrolling

    Gimahhot GmbH

    - Aufbau und Betreuung eines Verkäufercontrolling-Systems - Abhalten von Mitarbeiterschulungen - Marktanalysen

Educational background for Stefan Decker

  • 4 months, Jan 2017 - Apr 2017

    Datenwissenschaft/ Data Science

    Galvanize - San Francisco, SoMa

    The curriculum of the 12 week data science immersive program includes Python, statistics, machine learning, NLP and data visualization. For my final project I built a convolutional neural network to identify the artists of unreleased deep house tracks (github.com/sbadecker/deep_house_spy).

  • 11 months, Aug 2007 - Jun 2008

    Betriebswirtschslehre

    Mälardalens Högskola, Schweden

    Corporate Finance, Management Accounting

  • 5 years and 11 months, Oct 2004 - Aug 2010

    Betriebswirtschaftslehre

    Georg-August-Universität Göttingen

    Finanzwirtschaft, Steuern, Controlling

Languages

  • German

    First language

  • English

    Fluent

  • Spanish

    Intermediate

Interests

Unternehmensgründung
E-Commerce
Poker

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