John Van Tessel

CEO @ Spacewell

Netherlands

About

I am John van Tessel, a seasoned business leader with over 20 years of experience in the Software/Technology Industry. Throughout my career, I have demonstrated a strong track record in delivering ARR Growth Results, Scaling Sales Organizations, Driving Innovation, and identifying talented individuals. My core competencies includes enterprise Software Sales (SaaS), GTM Strategies, Partner and Alliance management, Leadership and Management, Strategy Execution, and scaling Global Operations. I am deeply passionate about closing deals, driving business growth, delivering business value, and promoting the adoption of new technologies such as AI and Industry 4.0. My dedication to excellence and proven leadership skills have enabled me to successfully navigate the ever-evolving landscape of the technology industry. Competencies: SaaS GTM Strategies, Sales Execution, Enterprise SaaS Sales, SaaS, Customer Success, Business Development, Channel & Alliance Management, P&L, Sales Leadership, ARR Growth, EBITDA growth, SFDC, Hubspot, Meddic, Value Selling, Analytics, ERP, Asset Management, AML, AI, BI, Industry 4.0, WEB 3.0, Oil & Gas, Life Sciences, Retail, Finance, Construction, FinTech, Workplace Management Software, WPM, Smartbuilding, IWMS, Facility Management Software, Digital Twin, IoT & sensors, Energy Management Systems, EMS, ESG

Experience

  • Chief Executive Officer at SPACEWELL | A Nemetschek Company
    Mar 2025 - Present · 1 yr 4 mos

    Leading Spacewell through its next growth phase. Building an AI-driven SaaS company, focused on scale, speed and sustainable growth. Complex, ambitious, and incredibly exciting. Spacewell builds AI-driven SaaS solutions that help organizations manage Workplaces, Assets and Energy more intelligently. We turn data into actionable insights to improve efficiency, sustainability and decision-making. Enabling customers to operate smarter, faster and at scale.

  • Founding Member at Winning by Design Growth Institute
    Dec 2025 - Present · 7 mos

    The Growth Institute is an executive community built by Winning by Design for senior leaders who want to move beyond tactics and design systems that scale. It brings together C-suite executives and growth leaders who are rethinking how growth actually works in the age of AI. Operator-led cohorts. Board-level thinking. Real-world case studies. Proven frameworks like Revenue Architecture and Growth Architecture. This is where executives learn to build systems-based growth, not people-dependent chaos

  • Member at Boardwave
    Dec 2025 - Present · 7 mos

    Member of Boardwave, the Software C-Level Network community

  • Director of Global Sales at Cenosco
    Mar 2023 - Feb 2025 · 2 yrs

    Cenosco brings the digital revolution to asset integrity management. Our simple-to-use and fast-performing solutions are reducing risks and improving productivity for businesses all over the world. Our cloud-based platform delivers the smart and sustainable approach to maximizing asset productivity and instrumentation safety. Drive and scale ARR Growth, Managing the Cenosco Global Sales Organization (including Channel, Pre-Sales, Sales Operations and Customer Success) and Leadership Team Member.

  • Chief Revenue Officer (CRO) at Crystal Blockchain Analytics
    Apr 2022 - Mar 2023 · 1 yr

    Crystal Blockchain provides advanced AML solutions (SaaS), offering real-time monitoring and analysis of cryptocurrency transactions. Our platform ensures compliance with global regulations, helping businesses detect suspicious activities and mitigate financial risks within the crypto space. Scaling Global ARR growth, executing the Global GTM and building the International Sales and Customer Success Teams. Fundraising to generate further International Expansion.