Claudius Warwitz - Project Manager

Q: Where is Claudius based?

Claudius is based in Bonn, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Claudius speak?

Claudius speaks the following languages: German (Native), English (Advanced), Spanish (Advanced), French (Elementary), Italian (Elementary) .

Q: How many years of experience does Claudius have?

Claudius has at least 29 years of experience. During this time, Claudius has worked in at least 6 different roles and for 8 different companies . The average length of individual experience is 4 years and 8 months . Note that Claudius may not have shared all experience and actually has more experience.

Q: What is Claudius's latest experience?

Claudius's most recent position is Project Manager at Freelance .

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

In recent years, Claudius has worked for Freelance .

Q: Which industries is Claudius most experienced in?

Claudius is most experienced in industries like Telecommunication , Banking and Finance , and Information Technology (IT) . Claudius also has some experience in Healthcare , Government and Public Administration , and Retail .

Q: Which business areas is Claudius most experienced in?

Claudius is most experienced in business areas like Project Management , Marketing , and Product Development . Claudius also has some experience in Business Intelligence , Operations , and Information Technology (IT) .

Q: Which industries has Claudius worked in recently?

Claudius has recently worked in industries like Banking and Finance , Healthcare , and Information Technology (IT) .

Q: Which business areas has Claudius worked in recently?

Claudius has recently worked in business areas like Customer Service , Information Technology (IT) , and Marketing .

Recommended expert

Bonn, Germany

Experience

Jan 2018 - Present

8 years 3 months

Bonn, Germany

Project Manager

Freelance

Project / interim management in digital/analytical marketing, IT, e-commerce.
Latest: Product Owner IT migration. Leading full IT stack migration for a large European fix/mobile telco provider. >3 000 internal/external staff involved.
Roll-out manager for a software company in the health industry (routers, card readers, operating systems for >12 000 medical practices and hospitals had to be changed). Ensuring volume and quality target achievement of two external roll-out partners (technical system integrators).
Strategic customer service management for an e-commerce, B2C, physical goods company, supporting the international growth extension strategy.
Customer insights management, campaign management and interim product management for a B2B ecommerce and payment company. Focus: demand generation / churn reduction / new feature development.
Online-campaign management for Bitcoin mining (Interim CMO).
Build-up an online shop and a marketplace concept for designer fashion.
From-service-to-product strategy for an IT-service provider.
Digital transformation workshops for cities and municipalities.

Jan 2018 - Feb 2020

2 years 2 months

Bonn, Germany

Associate Partner

Mentis Consulting

Executive search services for mid-sized to large companies with focus on senior executives with digital background.

Jan 2017 - Dec 2017

1 year

Düsseldorf, Germany

VP Strategy and Marketing / Member of executive management board

VDI, Association of German Engineers

Budget responsibility >€2 million, leadership of 15 employees.
Development and implementation of the VDI digital strategy.
Ideation, agile development, prototyping and launch of digital services.
Steering of all initiatives of digital program VDI 2020 (introduction of a social network, marketing automation, knowledge management system).

Jan 2015 - Apr 2016

1 year 4 months

Berlin, Germany

Chief Marketing Officer (Co-Founder)

predict.io

International B2C roll-out and go-to-market.
App product management, UX/UI.
Communication strategy and channel marketing.
Building up marketing department (up to 5 employees).

Jun 2013 - Nov 2015

2 years 6 months

Bremen, Germany

PhD Program

Excellence University of Bremen

Research project on drivers and inhibitors of big data and location-based mobile advertising on the smartphone with the faculty of Innovative Brand Management (Dissertation grade: summa cum laude).

Oct 2003 - Dec 2013

10 years 3 months

Bonn, Germany

Deutsche Telekom

Headquarter / VP Benchmarking & Performance Management (2009–2013): Budget responsibility €3 million p.a.; leadership of OPEX, Capex and FTE benchmarking; management of external consulting teams (up to 20 FTE) and >1000 internal employees.
Increase of Deutsche Telekom’s benchmarked cost base from 50% to 100% (€40 billion) by implementation of a harmonised benchmarking taxonomy.
Revealing a €1 billion benchmarking cost gap over all business functions.
Realisation of cost cutting measures delivering 15% OPEX savings (~€7 billion) between 2010 and 2013.
Delivery of ambition level and cost potential including action areas for Telekom IT (applications management) in the three-digit million-€ level over three years.
Board area Products & Innovations, VP Products & Innovation (2007–2009): Budget responsibility €0.5 million p.a.; leadership of 10 employees; speaker at conventions on customer loyalty.
Revenue increase for global key products, improving iPhone customer segment up to 40%.
Portfolio cleaning and complexity reduction of 20% of cost base.
Group-wide introduction of customer insight methods (e.g. TRI*M).
T-Mobile International, VP Marketing and Customer Insights (2005–2007): Leadership of data warehouse and market research departments (25 international employees).
Introduction of customer lifecycle and customer value concept to identify churn candidates, reducing churn by 20% p.a.
Implementation of an international best practice CRM campaign platform shared across 15% of all local campaigns.
T-Mobile International, Head of Sales and Service Strategy (2004–2005): Initiated strategic change from product centric to market- and customer-insight centric organization.
Global roll-out of customer life-stage segmentation in 100% of T-Mobile subsidiaries to optimize CRM campaigning.
Development and implementation of premium customer strategy, delivering 30% higher ARPU.
In-house Consulting Telekom, Management Consultant (2003–2004): Focus on strategic programs.
Project management for Deutsche Telekom’s FIFA WM 2006 sponsorship.
Brand equity measurement of “T”-brand and sub-brands.

Jan 2000 - Dec 2003

4 years

Frankfurt, Germany

Management Consultant

Deloitte Consulting GmbH

Project manager in the TIMES practice with focus on sales and marketing and acquisition of consulting mandates.
Identification of efficiencies in T-Mobile’s call centre (15% cost savings).
Conduct of call centre benchmarking study in telco and finance industry.
Efficiency assessment and cost cutting for Deutsche Telekom in corporate communication unit, delivering double-digit million-€ cost savings.
Development of a business plan for an IPO and implementation of all commercial business processes for a Swiss mobile commerce start-up.

Jan 1996 - Dec 2000

5 years

Robert Bosch GmbH

Bosch Telekom GmbH, Area Sales Manager (1998–2000): Revenue responsibility >€15 million; leadership of 4 employees; key account management for network operators in IT, AT, CH, BeNeLux, GR, UK, ES, Turkey.
Built up KAM for the Turkish network operator, driving revenue from €0 to >€15 million p.a. within 1.5 years.
Achieved sales and revenue increases in key accounts up to 30%.
International Management Trainee (1997–1998) in Frankfurt, Düsseldorf, Madrid, Stuttgart.
Developed a sales calculation tool for outsourcing of telco equipment.
Designed a marketing campaign for power drilling machines (Madrid).

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Telecommunication (26 years), Banking and Finance (12 years), Information Technology (9.5 years), Healthcare (8 years), Government and Administration (8 years), and Retail (8 years).

Telecommunication

Banking and Finance

Information Technology

Healthcare

Government and Administration

Retail

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Project Management (22 years), Marketing (20 years), Product Development (10.5 years), Business Intelligence (10 years), Operations (10 years), and Information Technology (9 years).

Project Management

Marketing

Product Development

Business Intelligence

Operations

Information Technology

Summary

Independent Project Manager with strong track record in marketing, agile leadership, and digital transformation projects
20+ years executive experience across service providers, management consulting, consumer electronics, and tech start-ups
Deep industry knowledge in B2B and B2C markets, primarily in telecommunications, e-commerce, SaaS and health tech.
Proven ability to build strong industry relationships across diverse verticals
Hands-on, results-driven leader with expertise in marketing, sales, IT and general management in dynamic, high-pressure environments
Skilled in leading cross-functional teams, motivating people, and aligning stakeholders toward shared goals

Skills

Ms Office
Power Bi
Spss
Sas / Enterprise Miner & Integrated Marketing Manager
Smartpls
R
Jira
Confluence

Languages

German

Native

English

Advanced

Spanish

Advanced

French

Elementary

Italian

Elementary

Education

Jun 2013 - Nov 2015

Excellence University of Bremen

PhD in Business / Marketing · Business / Marketing · Bremen, Germany · summa cum laude

Oct 1991 - Jun 1996

Johann-Wolfgang-Goethe University Frankfurt

MBA · Marketing, Logistics · Frankfurt, Germany

German high school diploma · Bad Homburg, Germany

Profile

Created

October 2025

Last Update

November 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Claudius based?

Claudius is based in Bonn, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Claudius speak?

Claudius speaks the following languages: German (Native), English (Advanced), Spanish (Advanced), French (Elementary), Italian (Elementary).

How many years of experience does Claudius have?

Claudius has at least 29 years of experience. During this time, Claudius has worked in at least 6 different roles and for 8 different companies. The average length of individual experience is 4 years and 8 months. Note that Claudius may not have shared all experience and actually has more experience.

What roles would Claudius be best suited for?

Based on recent experience, Claudius would be well-suited for roles such as: Project Manager, Associate Partner, VP Strategy and Marketing / Member of executive management board.

What is Claudius's latest experience?

Claudius's most recent position is Project Manager at Freelance.

What companies has Claudius worked for in recent years?

In recent years, Claudius has worked for Freelance.

Which industries is Claudius most experienced in?

Claudius is most experienced in industries like Telecommunication, Banking and Finance, and Information Technology (IT). Claudius also has some experience in Healthcare, Government and Public Administration, and Retail.

Which business areas is Claudius most experienced in?

Claudius is most experienced in business areas like Project Management, Marketing, and Product Development. Claudius also has some experience in Business Intelligence, Operations, and Information Technology (IT).

Which industries has Claudius worked in recently?

Claudius has recently worked in industries like Banking and Finance, Healthcare, and Information Technology (IT).

Which business areas has Claudius worked in recently?

Claudius has recently worked in business areas like Customer Service, Information Technology (IT), and Marketing.

What is Claudius's education?

Claudius holds a Doctorate in Business / Marketing from Excellence University of Bremen and a Master in Marketing, Logistics from Johann-Wolfgang-Goethe University Frankfurt.

What is the availability of Claudius?

Claudius is immediately available part-time for suitable projects.

What is the rate of Claudius?

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