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Mattijs UittenbroekMU

Mattijs Uittenbroek

Interim Sales Professional

€950/day
Breukelen, NL
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mattijs

I am a sales professional with over 25 years of experience. My strength lies in building: whether it's setting up businesses from scratch or further expanding an existing foundation.
I specialize in consultative selling and unlocking diverse sectors such as real estate, industry, government, fitness & health, and healthcare, with a passion for sustainable initiatives. In my work, I combine analytical thinking with a human approach; I enjoy building creative solutions and solid partnerships. Always with a clear focus on the common goal.
My motto: ‘Together we go further’
  • Dutch

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

Can work on-site
Breukelen (up to 50km)

Experience

  • Hydronexus B.V.
    Founder/Owner
    ENERGY AND UTILITIES
    August 2025 - Today (10 months)
    Breukelen, Netherlands
    Responsible for the development and innovation of hydrogen gas solutions (HHO), specifically focused on making industrial steam boilers and thermal post-combustors more sustainable and low-emission.

    Stakeholder and Project Management: Directing a multidisciplinary ecosystem of technological partners and suppliers for the realization of innovative hydrogen gas solutions (HHO).

    Operational Control of Machine Building: Managing the manufacturing company responsible for the physical assembly of the hydrogen generators, ensuring quality control, planning, and the translation of the design into an operational machine.

    Compliance & Certification: Responsible for ensuring complex industrial standards and safety requirements, including ATEX, PED, CE, LVD, and EMC, as well as the Machinery Directive.

    Techno-Commercial Strategy: Directing specialized parties for the development of Safety PLC systems and software architecture, translating complex technology into a market-ready industrial solution.

    Innovation & Sustainability: Strategic focus on making the industry low-emission by integrating hydrogen technology into existing infrastructures (steam boilers).
    consultative selling Sales executive Interim Sales Sustainable Developments
  • The Green Energy Company B.V.
    Founder/Co-owner - Commercial Director
    ENERGY AND UTILITIES
    July 2010 - December 2025 (15 years and 5 months)
    Breukelen, Netherlands
    As co-founder, I built the growth and strategic positioning of this organization for 15 years. I was ultimately responsible for both the commercial strategy and operational execution, directly managing a team of 15 professionals.

    Key results and responsibilities:

    Large-scale project realization: Successful rollout of LED lighting projects and sustainable real estate transformations for prominent clients such as AMC, Erasmus University, CBRE, and PepsiCo.

    Sector-wide network: Built a portfolio within the real estate, industry, fitness & health, healthcare, and education sectors.

    Innovation & R&D: Active contribution to the market introduction of HHO technology (hydrogen) for the maritime and transport sectors. Successful

    Exit: After a period of constant growth, I transferred my stake in the company in 2025 through a share transaction.

    Achieved successes

    AMC hospital, Vrije Universiteit, Erasmus University, ABB, CBRE, ENGIE, British Telecom, PepsiCo, BSH Netherlands, SportCity (preferred supplier), Inholland University of Applied Sciences, HU University of Applied Sciences, Axion Continue, Kennermerhart,
    Sustainable Developments consultative selling Coaching Sales Director Research and Development (R&D)
  • Konica Minolta Business Solutions B.V.|
    Sales Supervisor – Key Account Manager – New Business
    DIGITAL AND IT
    August 2003 - July 2010 (6 years and 11 months)
    Amstelveen, Netherlands
    In this role, I was strategically and operationally responsible for the Government & Education market segment. I managed a national sales team and handled the entire sales process for complex document management solutions, focusing on both retention and aggressive New Business growth.

    Exceptional results and recognitions:

    World Top: Recognized by Konica Minolta Japan as one of the most successful Sales Representatives worldwide (fiscal year 2007/2008).

    Historic Revenue Record: Achieved the highest annual revenue ever recorded by an individual account manager within Konica Minolta Netherlands: € 2,500,000 in completely new business (2004/2005).

    EMEA Elite: Qualified for several consecutive years (2004 to 2007) for the prestigious 'TOP 100 club', belonging to the 100 best sales professionals in Europe, the Middle East, and Africa.

    Market Leadership: Awarded for the highest revenue achieved within the entire organization in fiscal year 2008/2009.

    This period at a global player formed my foundation in top-level consultative selling and consistently exceeding commercial objectives in challenging markets.
    consultative selling Sales executive Sales Management Sales funnel Sales

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Education

  • Vrije Universiteit Amsterdam
    1999
  • Higher Professional Education at the Amsterdam University of Applied Sciences
    1998

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