Jens (Nimmerfroh) Christenhuß-Fractional Chief of Staff & COO
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Experience
Fractional Chief of Staff & COO
Freelance
- Hands-on project lead in the field of operations, with a strong expertise in digital transformation, process optimization and web stores
- Interim lead in B2C marketing and lead for a People & Culture function
Chief Operating Officer
Pokercode GmbH
- Leading business operations (finance, accounting, legal and human resources)
- Responsible for the successful implementation of the company’s strategies, resulting in 4x EBIT growth and the expansion into two new product lines (trips, licensing)
- Overseeing all data initiatives and interim lead marketing (social media, YouTube, Email)
- Event lead for international poker tournaments with prizes over $500,000+
- Fractional since February 2024
Head of Operations
BEAT81 / Gritspot GmbH
- Management of the functions supply chain & production, maintenance, and hardware operations, including the setup of the BEAT81 cargo bike
- Built the international city management team of up to 9 people across 5 cities and 4 countries
- Setup of our live stream vertical and international Shopify distribution center
- Development of the city operations playbook, scalable processes and global SOPs
City Manager Berlin
BEAT81 / Gritspot GmbH
- Defining working processes for city operations, maintenance, and expansion
- Conducting contract negotiations, facility management and business development
- Setup and hiring of the local city team; coaching and team development
Chief of Staff – Sales & Marketing
Wall GmbH (Part of JCDecaux)
- Supporting management via comprehensive analyses and recommendations
- Sparring partner for the management team (pricing, digitalization & corporate development)
- Management of high-impact projects, such as the market launch of Programmatic DOOH
- Preparation of executive management committees, international budget coordination, public tenders
Business Consultant – International Expansion
McFIT Global Group GmbH (RSG Group)
- Responsible for adapting the McFIT operating system to local country specifics for market entries in Hungary, the Czech Republic and Switzerland
- Interim lead for the Client Process Team responsible for the global membership software
- Consulting projects around marketing campaigns, market analyses and commission models
Management Training Program including a B.A. International Management & Industrial Clerk
Siemens AG
- International and national practical assignments in various departments of Siemens AG
- Development of an interactive learning factory for Lean Production System
- Independent development, presentation, and implementation of cost-reducing measures through the introduction of Lean Reporting
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Manufacturing, Professional Services, Tourism, Information Technology, Retail, and Transportation.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Operations, Marketing, Business Intelligence, Finance, Human Resources, and Project Management.
Languages
Education
UPF Barcelona School of Management
M.Sc. in Management, Entrepreneurship · Management - Entrepreneurship · Barcelona, Spain · 9,1/10 ≈ 1,3
Hochschule für Ökonomie und Management Essen
B.A. International Management · International Management · Essen, Germany · 2,0
Siemens Business School Essen
IHK Industriekaufmann / Industrial clerk · Industriekaufmann / Industrial clerk · Essen, Germany
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Jens is based in Münster, Germany.
Jens speaks the following languages: German (Native), English (Advanced), Spanish (Elementary).
Jens has at least 14 years of experience. During this time, Jens has worked in at least 7 different roles and for 6 different companies. The average length of individual experience is 2 years. Note that Jens may not have shared all experience and actually has more experience.
Based on recent experience, Jens would be well-suited for roles such as: Fractional Chief of Staff & COO, Chief Operating Officer, Head of Operations.
Jens's most recent position is Fractional Chief of Staff & COO at Freelance.
In recent years, Jens has worked for Freelance, Pokercode GmbH, and BEAT81 / Gritspot GmbH.
Jens is most experienced in industries like Manufacturing, Professional Services, and Tourism. Jens also has some experience in Information Technology, Retail, and Advertising.
Jens is most experienced in business areas like Operations, Marketing, and Business Intelligence. Jens also has some experience in Finance, Human Resources, and Strategy.
Jens has recently worked in industries like Professional Services, Tourism, and Information Technology.
Jens has recently worked in business areas like Operations, Human Resources, and Marketing.
Jens holds a Master in Management - Entrepreneurship from UPF Barcelona School of Management and a Bachelor in International Management from Hochschule für Ökonomie und Management Essen.
The availability of Jens needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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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 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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