Skip to main content
Top expert badge
Recommended expert
Profile header background

Oliver G.-Owner

Oliver G. - Owner - profile avatar
Profile header overlay
Available
Wiesbaden, Germany

Check rate

Experience

Jan 2008 - Present
Wiesbaden, Germany

Owner

Greb Consulting

Position summary
Owner at Greb Consulting
Industries
Energy
Information Technology
Telecommunication
Business areas
Product Development
Project Management
Sales
  • Business Development, Sales, Key Account Management, Project Management, Interim Management, CRM, Product Management, Product Development in the industries of E-Mobility, Renewable Energies, Energy, Telecommunications, Internet of Things (IoT), Software/SaaS B2B/Cloud
Jan 2006 - Sep 2008
Hamburg, Germany

Business Development Manager

d+s europe GmbH

Position summary
Business Development Manager at d+s europe GmbH
Industries
Energy
Banking and Finance
Telecommunication
Business areas
Customer Service
Marketing
Sales

Development and implementation of innovative CRM concepts and technologies in contact centers for various major clients in the telecommunications, energy and financial services sectors.

Jan 2006 - Sep 2008
Hamburg, Germany

Managing Director

11899 Auskunft Service GmbH

Position summary
Managing Director at 11899 Auskunft Service GmbH
Industries
Telecommunication
Business areas
Customer Service
Product Development

Development and launch of innovative value-added services for B2C customers, including a general technical hotline for users of consumer electronics, mobile phones, PCs and more.

Jan 2003 - Dec 2005
Bad Homburg, Germany

Senior Management Consultant

MC Technology Marketing GmbH

Position summary
Senior Management Consultant at MC Technology Marketing GmbH
Industries
Information Technology
Media and Entertainment
Telecommunication
Business areas
Strategy
  • Management consulting in TIMES markets
Jan 2002 - Jun 2003
Eschborn, Germany

Sales Manager

Vodafone Mobile Systems GmbH

Position summary
Sales Manager at Vodafone Mobile Systems GmbH
Industries
Telecommunication
Business areas
Sales
Jul 2000 - Dec 2001
Eschborn, Germany

Director Professional Services

Andate GmbH

Position summary
Director Professional Services at Andate GmbH
Industries
Professional Services
Business areas
Project Management
Jul 1997 - Dec 2000
Wiesbaden, Germany

Managing Partner

Katahdin Consulting GmbH

Position summary
Managing Partner at Katahdin Consulting GmbH
Industries
Information Technology
Business areas
Information Technology
  • Groupware, intranet and internet solutions for banks, telecommunications, industrial and service companies
Jan 1996 - Jun 1997
Hamburg, Germany
Hybrid

Business Unit Manager Lotus Notes

d.d. synergy AG

Position summary
Business Unit Manager Lotus Notes at d.d. synergy AG
Industries
Information Technology
Business areas
Information Technology
Operations
Oct 1994 - Dec 1995
Bad Homburg, Germany
On-site

Management Consultant

Marketing Corp. AG

Position summary
Management Consultant at Marketing Corp. AG
Industries
Advertising
Professional Services
Business areas
Marketing
Strategy
Jun 1993 - Sep 1994
Frankfurt, Germany

Product Marketing Manager

ASK Ingres GmbH

Position summary
Product Marketing Manager at ASK Ingres GmbH
Industries
Information Technology
Business areas
Marketing

Industry experience

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

Experienced in Information Technology, Telecommunication, Energy, Media and Entertainment, Banking and Finance, and Professional Services.

Information Technology
Telecommunication
Energy
Media and Entertainment
Banking and Finance
Professional Services
Profile match chart

Business area experience

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

Experienced in Sales, Product Development, Project Management, Marketing, Information Technology, and Strategy.

Sales
Product Development
Project Management
Marketing
Information Technology
Strategy
Profile match chart

Summary

I have built a solid foundation in business development, sales, M&A, project management, and product development with over 25 years of experience. Working in industries such as E-Mobility, renewable energies, telecommunications, IoT and B2B software, I have applied my skills to drive growth and develop innovative solutions.

I bring expertise in project management, program management and product management, supported by certifications in sales and project management. My background as a business owner and leader has enabled me to build and nurture practical, results-oriented approaches that consistently contribute to business success.

Skills

  • Main Areas Of Focus: B2b Sales, Business Development, M&A, Project Management, Product Management, Partner Management
  • Main Industries: E-Mobility, Energy, Renewable Energies, Bess, Iot, Telecommunications, B2b Software, Saas/Cloud, Internet, E-Commerce / M-Commerce
  • Methodological Expertise: Solution Selling, Sales Management, Project Management (Including Prince2, Scrum), Moderation And Negotiation, Presentation / Reporting (All Management Levels), Stakeholder Management, Business Case Development And Optimization, Product Management, Customer Value Management
  • Management Expertise: Analytical And Strategic Thinking, Performance And Results Orientation, Building And Managing Companies, Personnel Management And Development, Business Development In Innovative Markets
  • Technical Expertise: Ms Office 365, Project, Visio, Sharepoint, Teams, Mappoint, Planview, E-Mobility, Photovoltaics, Wind Energy, Bess, Internet Of Things (Iot), Artificial Intelligence (Ai), Lorawan, M2m, Various Iot Platforms, M-Commerce, E-Commerce, Mobile Payment, Cms, Cloud Platforms (Including Appdirect, Odin, Ms Azure, Aws), Cloud Applications, Crm: Salesforce.Com, Hubspot Crm, Sugar Crm, Pipedrive, Jira, Confluence, 37signals, Basecamp, Planview, Miro, Ms Windows, Apple Ios, Apple Mac Os X, Google Android, Xdsl, Fttx, Coax Networks, 3g, Lte, Lte-M, 5g, M2m, Wlan, Voip, Sdn, Lorawan, Nb-Iot
  • Social Skills: Persuasiveness, Assertiveness And Perseverance, Enthusiasm, Clear And Convincing Communication, International Project And Leadership Experience, Diplomacy, Team Spirit

Languages

German
Native
English
Advanced
Spanish
Elementary
French
Elementary
Italian
Elementary

Education

Inter-university Degree Program in Industrial Engineering Hamburg

Dipl.-Ing. oec. · Industrial Engineering, specializing in Marketing and Automation Engineering · Hamburg, Germany

Certifications & licenses

Geprüfter Vertriebsleiter

Die Akademie

Technisches Englisch / Wirtschaftsenglisch Zertifikat

Uni Hamburg

Statistics

Experience

Total positions 10
Experience in Information Technology 28 y
Avg length 3 y 9 m
Longest experience 18 y 9 m

Global experience

Countries worked in 1 (Germany)
Primary country Germany

Expertise

Recent roles Owner, Business Development Manager, Managing Director
Main industries Information Technology, Telecommunication, Energy
Main business areas Sales, Product Development, Project Management

Qualifications

Highest degree Bachelor
Certifications earned 3

Profile

Member since
Last update
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Have questions? Find more information here.

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

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

Oliver has at least 33 years of experience. During this time, Oliver has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 3 years and 4 months. Note that Oliver may not have shared all experience and actually has more experience.

Based on recent experience, Oliver would be well-suited for roles such as: Owner, Business Development Manager, Managing Director.

Oliver's most recent position is Owner at Greb Consulting.

In recent years, Oliver has worked for Greb Consulting.

Oliver is most experienced in industries like Information Technology, Telecommunication, and Energy. Oliver also has some experience in Media and Entertainment, Banking and Finance, and Professional Services.

Oliver is most experienced in business areas like Sales, Product Development, and Project Management. Oliver also has some experience in Marketing, Information Technology, and Strategy.

Oliver has recently worked in industries like Energy, Information Technology, and Telecommunication.

Oliver has recently worked in business areas like Product Development, Project Management, and Sales.

Oliver holds a Bachelor in Industrial Engineering, specializing in Marketing and Automation Engineering from Inter-university Degree Program in Industrial Engineering Hamburg.

Oliver has 3 certificates. These include: Geprüfter Vertriebsleiter, PRINCE2 Foundations, and Technisches Englisch / Wirtschaftsenglisch Zertifikat.

Oliver is immediately available part-time for suitable projects.

Daily rate distribution

0% 25% 50% 75% 100%
44% of experts charge less than €800 per day.
44% of experts charge between €800 and €1200 per day.
11% of experts charge €1600 or more per day.
<€800 €800-​1200 €1600+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 840 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.