Oliver G.-Owner
Check rate
Experience
Owner
Greb Consulting
- Business development, sales, key account management, project management, interim management, CRM, product management, product development in the industries of E-Mobility, renewable energy, energy industry, telecommunications, Internet of Things (IoT), software/SaaS B2B/Cloud
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- Groupware, intranet and internet solutions for banks, telecom companies, industrial and service companies
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Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Telecommunication, Energy, Professional Services, Media and Entertainment, and Advertising.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Sales, Project Management, Product Development, Strategy, Information Technology, and Operations.
Summary
I have built a solid foundation in business development, sales, project management, and product development with over 25 years of experience. Working in industries such as E-Mobility, renewable energy, telecommunications, IoT and software, I have applied my skills to drive growth and develop innovative solutions.
I bring expertise in key account management and technical marketing, 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
- Focus Areas: Sales B2b/B2c, Business Development, Project Management, Product Management, Partner Management, Customer Relationship Management (Crm)
- Industry Focus: E-Mobility, Energy, Renewable Energy, Iot, Telecommunications, B2b Software, Saas/Cloud, Internet, E-Commerce / M-Commerce
- Methodological Skills: Solution Selling, Sales Management, Project Management (E.G. Prince2, Scrum), Facilitation And Negotiation, Presentation / Reporting (All Management Levels), Stakeholder Management, Business Case Development And Optimization, Product Management, Customer Value Management
- Management Skills: Analytical And Strategic Thinking, Performance And Results Orientation, Company Building And Management, Staff Leadership And Development, Business Development In Innovative Markets
- Technical Skills: 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 (E.G. Appdirect, Odin, Ms Azure, Aws), Cloud Applications, Crm: Salesforce.Com, Hubspot Crm, Sugarcrm, 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, Determination, Enthusiasm, Clear And Convincing Communication, International Project And Leadership Experience, Diplomacy, Teamwork
Languages
Education
Inter-University Industrial Engineering Program, Hamburg
Diploma in Industrial Engineering and Economics · Industrial Engineering, specialization in Marketing and Automation Engineering · Hamburg, Germany
Certifications & licenses
Certified Sales Manager
Die Akademie
Technical English / Business English Certificate
University of Hamburg
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
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 Professional Services, Media and Entertainment, and Advertising.
Oliver is most experienced in business areas like Sales, Project Management, and Product Development. Oliver also has some experience in Strategy, Information Technology, and Operations.
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, specialization in Marketing and Automation Engineering from Inter-University Industrial Engineering Program, Hamburg.
Oliver has 3 certificates. These include: Certified Sales Manager, PRINCE2 Foundations, and Technical English / Business English Certificate.
The availability of Oliver needs to be confirmed.
Daily rate distribution
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.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
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 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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