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Jörg Stermann-Managing Director

Jörg Stermann - Managing Director - profile avatar
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Bünde, Germany

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Experience

Aug 2025 - Present

Managing Director

JS CORE UG

Position summary
Managing Director at JS CORE UG
Industries
Retail
Business areas
Marketing
Sales
Strategy
  • Interim management and management consulting with a focus on sales, brand management, internationalization, business development, and market entry strategies for international consumer goods and trading companies.
Jul 2022 - Aug 2025
Paderborn, Germany

Member of the Supervisory Board

HARTMANN TRESORE AG

Position summary
Member of the Supervisory Board at HARTMANN TRESORE AG
Industries
Manufacturing
Business areas
Strategy
Oct 2018 - Jul 2025
Lüdenscheid, Germany

Chief Executive Officer

Sieper GmbH

Position summary
Chief Executive Officer at Sieper GmbH
Industries
Manufacturing
Retail
Business areas
Marketing
Operations
Procurement
Product Development
Sales
Strategy
Supply Chain Management
  • Overall responsibility for the strategic and operational management of the group of companies with the traditional brands Siku and WIKING, including brand management, product management, international sales control, license management, supply chain, procurement, as well as the further development of national and international trading and sales partners

Managing director for the following companies:

  • Sieper GmbH, Lüdenscheid
  • Wiking Modellbau GmbH & Co. KG, Lüdenscheid
  • Sicom GmbH, Lüdenscheid
  • Tim Toys Ltd., Hong Kong
  • Sieper France SARL, France

Operational areas of responsibility within the group of companies

  • Overall responsibility for the national and international sales organizations
  • Leadership of the marketing, product management, and category management areas of the international brands Siku and WIKING
  • Responsibility for the international licensing business and license-based product portfolios
  • Management of e-commerce and multichannel sales activities
  • Managing director responsibility for Sicom GmbH (creative and communications agency)

Strategic leadership and focus areas

  • Development and implementation of international growth, sales, and market development strategies with full responsibility for results
  • Strategic and operational leadership of international sales organizations as well as complex retail and key account structures
  • Expansion and further development of global distribution and sales channels in established and new markets
  • International brand, category, and portfolio management with a focus on sustainable sales and profit growth
  • Management of profitability, trade investments, pricing strategies, and commercial performance
  • Negotiations at managing director and board level with international retail organizations, distributors, and strategic partners
  • Identification and development of new business areas, market potential, and international growth opportunities
  • Securing the achievement of sales, margin, and result targets as well as sustainable company value growth

Spokesperson of the management board of Sieper GmbH (2021–2025)

  • Coordination of the group-wide strategic direction as well as representation of the group of companies to shareholders, advisory boards, and external partners
Mar 2013 - Present
Herford, Germany

On the board

Haus & Grund Herford e.V.

Position summary
On the board at Haus & Grund Herford e.V.
Industries
Real Estate
Dec 2010 - Sep 2018
Germany

Head of Sales and Marketing / Authorized Signatory

BURG-WÄCHTER KG

Position summary
Head of Sales and Marketing / Authorized Signatory at BURG-WÄCHTER KG
Industries
Manufacturing
Business areas
Marketing
Sales
Strategy
  • Responsibility for national and international sales and marketing activities in the DIY, specialist retail, and wholesale environment, including product range development, brand management, trade marketing, category management, and cooperation with buying groups and leading retail organizations

Leadership and supervision of:

  • Sales managers of various sales groups, key account managers, field sales staff, sales managers for contract business, sales management assistants, external service staff (disposition / merchandisers)

Technical leadership of the marketing team.

Strategic direction of the brand, country marketing, and product marketing.

Revenue volume >85 million €

Jun 2009 - Nov 2010
Bielefeld, Germany

Managing Director

STERAH International

Position summary
Managing Director at STERAH International
Industries
Fashion
Manufacturing
Business areas
Procurement
Project Management
Sales
Strategy
Supply Chain Management
  • International sales and purchasing projects, supplier management, purchasing strategies, risk management, and target costing China projects

Projects:

  • Strategic project support for AEMtec GmbH, Berlin
  • Profashion International, Bielefeld
Oct 2008 - May 2009
Landau an der Isar, Germany

Head of Purchasing Group / Buy-Out Business

Einhell Germany AG

Position summary
Head of Purchasing Group / Buy-Out Business at Einhell Germany AG
Industries
Manufacturing
Retail
Business areas
Operations
Procurement
Supply Chain Management
  • Technical and disciplinary responsibility for group purchasing in Germany, China, and IPO Vietnam
  • Realization and coordination of purchasing targets for the sales departments in the DIY retail and discount sectors
  • Volume >500 million USD

Projects:

  • Founding of IPO Vietnam
  • Revision of framework agreements, bonus agreements, and cost saving programs
May 2005 - Sep 2008
Hangzhou, China

Head of Department Buy-Out Business / Trading Goods Asia

Bosch Power Tools China Co., Ltd.

Position summary
Head of Department Buy-Out Business / Trading Goods Asia at Bosch Power Tools China Co., Ltd.
Industries
Manufacturing
Business areas
Marketing
Operations
Product Development
Sales
Strategy
  • Trading goods management for OEM / ODM products
  • Focus on stationary and handheld power tools, measuring tools, and garden tools for specialist retail and DIY sectors
  • Cooperation with marketing and sales departments for the Bosch Blue, Bosch Green, Skil, and Dremel brands
  • Employee training, reporting to management
  • Volume >120 million USD

Projects:

  • Building up the newly founded specialist department in China
  • Introduction of the strategy pyramid, SSC (Score Cards)
  • PDP (Product Development Process)
Aug 2002 - Apr 2005
Leinfelden-Echterdingen, Germany

Central Group Lead Sales and Marketing

Robert Bosch GmbH, Power Tools Division

Position summary
Central Group Lead Sales and Marketing at Robert Bosch GmbH, Power Tools Division
Industries
Manufacturing
Retail
Business areas
Information Technology
Marketing
Procurement
Project Management
Sales
  • Focus: service purchasing in the areas of sales, marketing, and advertising
  • Member of the Global Purchasing Management Team (Sales)
  • Volume >50 million euros

Projects:

  • Introduction of the "Shop in Shop" system in the DIY sector in Europe
  • Setup of external call centers in Germany
  • Member of the central GPMT team (Sales)
  • Introduction of the internal workflow IT system (E-Works)
May 1994 - Jul 2002

Regional Sales Manager

Robert Bosch GmbH, Power Tools Division

Position summary
Regional Sales Manager at Robert Bosch GmbH, Power Tools Division
Industries
Manufacturing
Business areas
Marketing
Sales
  • Sales channels specialist retail and DIY sectors in Germany
  • Focus: achieving revenue and sales targets through systematic DIY and key account management, trade marketing, inside sales, and field sales

Industry experience

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

Experienced in Manufacturing, Real Estate, Retail, and Fashion.

Manufacturing
Real Estate
Retail
Fashion
Profile match chart

Business area experience

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

Experienced in Sales, Marketing, Strategy, Procurement, Operations, and Product Development.

Sales
Marketing
Strategy
Procurement
Operations
Product Development
Profile match chart

Summary

  • Internationally experienced sales manager and managing director with over 30 years of leadership and sales experience in international B2B, brand, and trading companies.

  • Many years of responsibility for the strategic development of international markets and sales organizations, with a special focus on Asia.

  • Several years of professional work and life in Hangzhou, China, for Robert Bosch GmbH as well as extensive hands-on experience in building and developing business activities and international structures.

  • Strong knowledge of the cultural, structural, and sales-related specifics of China and other international markets.

  • Entrepreneurial leader with a strong market and customer focus as well as many years of C-level experience.

Skills

  • Ms Office
  • Sap Business One
  • Navision
  • Proalpha

Languages

German
Native
English
Advanced
Chinese
Elementary

Education

Jul 2001 - Jun 2004

Dipl.- Business Economist (BI) · Business Administration · 1.4

Oct 1991 - Apr 1994

Bielefeld University of Applied Sciences

Electrical Engineering, Information Processing · Bielefeld, Germany

Jul 1989 - Jun 1990

Vocational College Löhne

University Entrance Qualification / Entrance Qualification for Universities of Applied Sciences · Löhne, Germany · 2.2

...and 2 more

Statistics

Experience

Total positions 10
Experience in Manufacturing 31.5 y
Avg length 4 y 10 m
Longest experience 13 y 5 m

Global experience

Countries worked in 2 (Germany, China)
Primary country Germany

Expertise

Recent roles Managing Director, Member of the Supervisory Board, Chief Executive Officer
Main industries Manufacturing, Real Estate, Retail
Main business areas Sales, Marketing, Strategy

Qualifications

Profile

Member since
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Frequently asked questions

Have questions? Find more information here.

Jörg is based in Bünde, Germany.

Jörg speaks the following languages: German (Native), English (Advanced), Chinese (Elementary).

Jörg has at least 32 years of experience. During this time, Jörg has worked in at least 9 different roles and for 9 different companies. The average length of individual experience is 3 years and 3 months. Note that Jörg may not have shared all experience and actually has more experience.

Based on recent experience, Jörg would be well-suited for roles such as: Managing Director, Member of the Supervisory Board, Chief Executive Officer.

Jörg's most recent position is Managing Director at JS CORE UG.

In recent years, Jörg has worked for JS CORE UG, HARTMANN TRESORE AG, Sieper GmbH, and Haus & Grund Herford e.V..

Jörg is most experienced in industries like Manufacturing, Real Estate, and Retail. Jörg also has some experience in Fashion.

Jörg is most experienced in business areas like Sales, Marketing, and Strategy. Jörg also has some experience in Procurement, Operations, and Product Development.

Jörg has recently worked in industries like Real Estate, Retail, and Manufacturing.

Jörg has recently worked in business areas like Marketing, Sales, and Strategy.

Jörg attended education in Business Administration.

Jörg is immediately available full-time for suitable projects.

Daily rate distribution

0 2 4 6 8
<€480 €480-​640 €800-​960 €960-​1120 €1120+

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.

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Daily rate avg. 773 €

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

1000
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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 24 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.