Jens (Nimmerfroh) Christenhuß
Fractional Chief of Staff & COO
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
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 Manufacturing (6 years), Professional Services (4 years), Tourism (4 years), Information Technology (2 years), Retail (2 years), and Transportation (2 years).
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 Operations (10 years), Marketing (7.5 years), Business Intelligence (5.5 years), Finance (5.5 years), Human Resources (4.5 years), and Project Management (4.5 years).
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
Profile
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