Dieter Ratz - Graduate in Business Administration

Q: Where is Dieter based?

Dieter is based in Hamburg, Germany .

Q: What languages does Dieter speak?

Dieter speaks the following languages: German (Advanced), English (Advanced), French (Elementary) .

Q: How many years of experience does Dieter have?

Dieter has at least 28 years of experience. During this time, Dieter has worked in at least 27 different roles and for 26 different companies . The average length of individual experience is 1 year . Note that Dieter may not have shared all experience and actually has more experience.

Q: What is Dieter's latest experience?

Dieter's most recent position is Freelance work for website and online touchpoints at Deutsche Post / DHL Research .

Q: What companies has Dieter worked for in recent years?

In recent years, Dieter has worked for Deutsche Post / DHL Research , Danish Crown , Warner Brothers / InMediasResearch , Various studies for Aldi, LIDL, Migros , and VRInsight GmbH .

Q: Which industries is Dieter most experienced in?

Dieter is most experienced in industries like Professional Services , Retail , and Media and Entertainment . Dieter also has some experience in Manufacturing , Transportation , and Advertising .

Q: Which business areas is Dieter most experienced in?

Dieter is most experienced in business areas like Business Intelligence , Marketing , and Research and Development . Dieter also has some experience in Strategy , Information Technology , and Product Development .

Q: Which industries has Dieter worked in recently?

Dieter has recently worked in industries like Professional Services , Retail , and Advertising .

Q: Which business areas has Dieter worked in recently?

Dieter has recently worked in business areas like Business Intelligence , Research and Development , and Marketing .

Recommended expert

Hamburg, Germany

Check rate

Experience

Jan 2021 - Present

5 years 7 months

Freelance work for website and online touchpoints

Deutsche Post / DHL Research

Various projects and tasks

Data analysis of survey data
Text mining of open answers/comments
Preparation of quarterly reports
Exploratory data analysis
Development and programming of questionnaires
UX research
Consulting

Jan 2021 - Dec 2021

1 year

Baseline study Bacon in Germany

Danish Crown

Study to support a relaunch of Bacon in Germany
Combination of qualitative and quantitative methods
Development of the quantitative study design / questionnaire
Conducting the study, project coordination, managing the online panel
Preparing the report and presenting the results

Jan 2020 - Dec 2020

1 year

Segmentation of mobility types

Quotas GmbH

Development and implementation of a segmentation as part of a mobility survey
Development of suitable survey items
Data analysis: factor and cluster analyses
Scoring model using discriminant analysis
Implementation of the segmentation in further surveys

Jan 2020 - Dec 2020

1 year

Conjoint analysis of home savings contracts

Wüstenrot / Infas

Development and programming of the CBC conjoint design for home savings contracts
Evaluation of the conjoint data
Simulation of market scenarios
Interpretation of the results, consulting

Jan 2019 - Dec 2019

1 year

Data mining based on shopper data

Aldi, LIDL

Basket analysis
Exploratory analyses of behavioral data

Jan 2018 - Present

8 years 7 months

Data Analysis SPSS

Warner Brothers / InMediasResearch

Preparation and analysis of survey data as part of film pretests

Jan 2018 - Dec 2019

2 years

Elmshorn, Germany

Teaching Evaluations

Nordakademie

Data preparation/analysis with SPSS
Creation/update of annual reports

Jan 2017 - Present

9 years 7 months

Shopper Research

Various studies for Aldi, LIDL, Migros

Customer flow studies
Testing and evaluation of promotions and sales promotions
Customer satisfaction
Customer segmentation
Evaluation of store redesigns
Purchase drivers / barriers

Jan 2017 - Dec 2018

2 years

International study and concept test for new forms of smoking

Imperial Tobacco Group, concept M GmbH

Motives/attitudes toward smoking, e-cigarettes, vaping
Research into decision-making structures
Opportunities and barriers of new forms of smoking
International differences
Combining qualitative with quantitative results

Jan 2016 - Dec 2022

7 years

Shopper Research, Category Management studies, Virtual Reality

VRInsight GmbH

Various projects and activities for consumer goods manufacturers

Further development of market research with the help of virtual reality
Shelf optimization
Pack tests, impact of packaging on the shelf
Eye tracking, simulation of shopping behavior at the POS
Virtual test markets

Jan 2016 - Dec 2016

1 year

Brand status study

Gothaer AG / concept M GmbH

External project management
Implicit measurement of brand status
Analysis, interpretation, reporting, and consulting

Jan 2015 - Dec 2016

2 years

International customer segmentation study

BSH Hausgeräte GmbH / concept M GmbH

Global online study
Development of the questionnaire
Conducting and coordinating the study with local field service providers
Data analysis with SPSS
Segmentation, MaxDiff analysis

Jan 2015 - Dec 2015

1 year

International study on robot vacuum cleaners

BSH GmbH, concept M GmbH

Motives, attitudes, and behavior of vacuum cleaner users in 5 European countries
Segmentation of users
Opportunities and risks with robot vacuum cleaners
Concept test of robot vacuum cleaners

Jan 2015 - Dec 2015

1 year

Hamburg, Germany

Customer segmentation

Greenpeace e.V.

Segmentation of Greenpeace members
Derivation of special Greenpeace milieus ('model' based on Sinus milieus)
Validation of the segmentation

Jan 2013 - Dec 2022

10 years

Hamburg, Germany

Online banner pretest using conjoint analysis

Pilot GmbH Hamburg

Development of an innovative conjoint approach to test animated banners
Programming of the conjoint analysis
Analysis and reporting
Simulation of scenarios

Jan 2013 - Dec 2013

1 year

Berlin, Germany

Data mining project for early insolvency detection

Toll Collect GmbH

Pilot project / feasibility study
Creation of an analysis dataset
Exploratory data analysis
Selection of suitable models/methods
Model building with decision trees
Review of the model and preparation for implementation

Jan 2011 - Dec 2015

5 years

Results/data control and review of existing SPSS analysis routines

Deutsche Post AG, eVolution GmbH

Control of complex SPSS analysis scripts
Review of the existing results

Jan 2011 - Dec 2013

3 years

Frankfurt, Germany

Data analysis, statistical consulting

University of Music / Performing Arts

Analysis of course evaluations
Creation of reports
Statistical consulting for scientific projects / theses / doctoral dissertations

Jan 2011 - Dec 2012

2 years

EU project on researching travel behavior and promoting public transport, Usemobility

Quotas GmbH

Development of the study design and questionnaires
Organization and coordination of the field phase with partner institutes in the participating countries
Data control, processing, and analysis with SPSS
Development of an approach to segment travelers who switch between transport modes
Writing a comprehensive EU report and presenting the results to an international committee

Jan 2009 - Dec 2011

3 years

Studies on corporate health care, employee satisfaction

Tesa SE

Data analysis
Report creation
Reporting

Jan 2008 - Dec 2011

4 years

Development of Online Questionnaires / Research Designs

mafo.de GmbH

Consulting on the studies / objectives
Development of the questionnaires

Jul 2007 - Present

19 years 1 month

Freelancer Market Research/Data Analysis

Various projects/interim positions in the area of quantitative market research, data analysis SPSS, data mining, customer/employee satisfaction, shopper insight, scientific projects, statistics

Sep 2004 - Jun 2007

2 years 10 months

Hamburg, Germany

E-Commerce Manager

Transcend Information Trading GmbH

Setup and further development of an online shop for computer accessories, online market research, web analytics

May 2003 - Aug 2004

1 year 4 months

Hamburg, Germany

Customer Loyalty Analyst

Volksfürsorge Hamburg

Design and calculation of a customer value model

Jun 2001 - Aug 2002

1 year 3 months

Hamburg, Germany

Online Market Researcher

Cocus AG

Setup of online market research, analytical CRM

Aug 1998 - Jun 2001

2 years 11 months

Hamburg, Germany

Market Research Officer

Stella AG

Planning and carrying out market research studies in the live entertainment/travel market, data analysis with SPSS

Nov 1997 - Jun 1998

8 months

Nuremberg, Germany

Market Research Internship

GfK

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Professional Services, Retail, Media and Entertainment, Manufacturing, Transportation, and Advertising.

Professional Services

Retail

Media and Entertainment

Manufacturing

Transportation

Advertising

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence, Marketing, Research and Development, Strategy, Information Technology, and Product Development.

Business Intelligence

Marketing

Research and Development

Strategy

Information Technology

Product Development

Summary

Taking on projects, interim roles, and partial tasks in quantitative market research, data analysis, and data mining

Many years of experience, broad know-how, quick onboarding into new projects/tasks, and immediate assumption of responsibilities in the field of …

Skills

Spss: In-Depth Knowledge In Application And Programming
Sawtooth Conjoint: Cbc, Aca, Acbc, Max-Diff
Ms Excel, Powerpoint, Word: In-Depth Knowledge
Sas: Course Sas Base For Advanced Users
Data Mining: Spss Modeler, Rapidminer, Orange

Languages

German

Advanced

English

Advanced

French

Elementary

Education

Oct 1990 - Jun 1997

University of Erlangen/Nuremberg

Graduate in Business Administration · Business Administration · Germany

Oct 1989 - Jun 1990

University of Erlangen/Nuremberg

State-certified Business Assistant · Business Assistant · Germany

Oct 1988 - Apr 1989

University of Erlangen/Nuremberg

Computer Science · Germany

...and 1 more

Statistics

Experience

Total positions 27

Experience in Professional Services 19.5 y

Avg length 3 y 7 m

Longest experience 19 y

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Freelance work for website and online touchpoints, Baseline study Bacon in Germany, Segmentation of mobility types

Main industries Professional Services, Retail, Media and Entertainment

Main business areas Business Intelligence, Marketing, Research and Development

Qualifications

Highest degree Master

Profile

Created

July 2026

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Frequently asked questions

Have questions? Find more information here.

Dieter is based in Hamburg, Germany.

Dieter speaks the following languages: German (Advanced), English (Advanced), French (Elementary).

Dieter has at least 28 years of experience. During this time, Dieter has worked in at least 27 different roles and for 26 different companies. The average length of individual experience is 1 year. Note that Dieter may not have shared all experience and actually has more experience.

Based on recent experience, Dieter would be well-suited for roles such as: Freelance work for website and online touchpoints, Baseline study Bacon in Germany, Segmentation of mobility types.

Dieter's most recent position is Freelance work for website and online touchpoints at Deutsche Post / DHL Research.

In recent years, Dieter has worked for Deutsche Post / DHL Research, Danish Crown, Warner Brothers / InMediasResearch, Various studies for Aldi, LIDL, Migros, and VRInsight GmbH.

Dieter is most experienced in industries like Professional Services, Retail, and Media and Entertainment. Dieter also has some experience in Manufacturing, Transportation, and Advertising.

Dieter is most experienced in business areas like Business Intelligence, Marketing, and Research and Development. Dieter also has some experience in Strategy, Information Technology, and Product Development.

Dieter has recently worked in industries like Professional Services, Retail, and Advertising.

Dieter has recently worked in business areas like Business Intelligence, Research and Development, and Marketing.

Dieter holds a Master in Business Administration from University of Erlangen/Nuremberg.

Dieter is immediately available part-time for suitable projects.

Dieter's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Dieter, click the Meet button on the profile to request a meeting and discuss your project needs.