Dieter Ratz

Freelancer Market Research/Data Analysis

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Hamburg, Germany

Experience

Jul 2007 - Present
18 years 7 months

Freelancer Market Research/Data Analysis

Dieter Ratz m-Forschung

  • Designing quantitative market research studies
  • Developing research designs and questionnaires
  • Programming questionnaires
  • Organizing and executing market research projects
  • Managing and coordinating field service providers
  • Data preparation and analysis with SPSS/Excel
  • Sawtooth Conjoint: CBC, ACA, ACBC, Max-Diff
  • Multivariate data analyses, factor analysis, cluster analysis
  • Conjoint analyses
  • SAS: SAS Base course for advanced users
  • Creating insightful charts, reports, and presentations
  • Data mining: SPSS Modeler, RapidMiner, Orange
  • Shopper research at the POS
  • Segmentation
  • Data mining, text mining
Sep 2004 - Jun 2007
2 years 10 months
Hamburg, Germany

E-commerce Manager and Customer Retention Market Researcher

Transcend Information Trading GmbH

  • Building and designing online shops for computer accessories
  • Further developing a CRM customer value model
  • Web analytics with SPSS
Nov 1997 - Jun 1998
8 months
Nuremberg, Germany

Market Research Intern

GfK

Summary

Many years of experience, broad know-how, fast adaptation to new projects/tasks and direct takeover of activities in the area …

Skills

  • Designing Quantitative Market Research Studies
  • Developing Research Designs And Questionnaires
  • Questionnaire Programming
  • Organizing And Conducting Market Research Projects
  • Managing And Coordinating Field Service Providers
  • Data Preparation And Analysis With Spss/excel
  • Multivariate Data Analyses, Factor Analysis, Cluster Analysis, Conjoint Analyses
  • Meaningful Charts, Reports, And Presentations
  • Shopper Research At The Pos
  • Segmentation
  • Data Mining, Text Mining
  • Spss: Advanced Skills In Usage And Programming
  • Sawtooth Conjoint: Cbc, Aca, Acbc, Max-diff
  • Ms Excel, Powerpoint, Word: Advanced Skills
  • Sas: Sas Base Course For Advanced Users
  • Data Mining: Spss Modeler, Rapidminer, Orange

Languages

German
Native
English
Advanced
French
Elementary

Education

Oct 1990 - Jun 1997

University of Erlangen–Nuremberg

Diplom-Kaufmann, core subjects: Marketing, Statistics, Psychology, graduated with distinction · Business Administration · Nuremberg, Germany

Oct 1988 - Apr 1989

Commercial Vocational College for Computer Science (A-level)

State-certified Business Assistant · Computer Science · Villingen-Schwenningen, Germany

Jul 1975 - Jun 1988

Gymnasium Villingen-Schwenningen

High school diploma · School education · Villingen-Schwenningen, Germany

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