
Erik Oosterbaan Martinius
Founder and CEO at Wellbay
Founder of WellYes | We empower wellness professionals by enabling business & digital operations
About Erik Oosterbaan Martinius
I'm passionate about reshaping the future of healthcare by making preventative wellness more accessible, efficient, and impactful. With over 14 years of experience in digital growth, innovation, and business strategy, I specialize in scaling startups, disrupting traditional business models, and leading transformative initiatives. I launched WellYes, a platform designed to empower health professionals by streamlining bookings, client management, payments, and marketing—so they can focus on what they do best: helping people thrive. But WellYes is more than a platform. We’re a movement. A shift towards a world where preventative healthcare is the norm, and practitioners are empowered rather than overwhelmed. By connecting individuals with wellness professionals, sessions and experiences 🚀 Live in the Netherlands with 30+ providers Expanding into Spain soon Follow the journey: Twitter: @Digital_Erik Website: www.erikoosterbaanmartinius.com Medium: medium.com/@e.oosterbaanmartinius DM me on LinkedIn! Let’s say Yes to a new era of healthcare.
Skills & Expertise
Career Journey
Founder and CEO
As the Founder & CEO of WellYes, I lead a movement towards accessible, preventative healthcare by enabling wellness professionals to focus on their expertise while we handle the business side bookings, client management, payments, and marketing. Key Focus Areas: Empowering wellness professionals with seamless business operations Streamlining acces to personalised health & wellness solutions Expanding from the Netherlands into Spain and beyond Shaping the future of holistic & preventative healthcare WellYes is not just a company it s a movement. We are building a future where prevention is the standard, wellness professionals thrive, and people have easy access to holistic health solutions. Always open to discussing partnerships, investment opportunities, and collaborations in the wellness & digital health space
Growth Acceleration coach Digital Transformation advisor
Experienced Venture Builder, Growth Accelerator, and (Digital) Transformation Advisor. Currently validating and building startup ideas, guiding companies through accelerated commercial growth, and advising large corporates on digital transformations. Available for services in Circular and digital Transformation, New Business Models, Change Management, Strategy Development, Systems Thinking, Sustainability, Growth Acceleration, Process Analysis, Conversion Rate Optimization, A/B Testing, Team Formation, Data-Driven Decision Making, Venture Building, Opportunity Assessment, Design Thinking, and Go-to-Market Strategy. Let s collaborate for commercial, sustainable and impactful results. Explore how we can collaborate on www.erikoosterbaanmartinius.com
Head Digital B2B Commerce
Responsible for SoHo and SME digital channels, including e-Shop and MijnKPN and App sales. HR-responsible for the 8FTE team consisting of conversion optimisation, Online Marketing, Online Advertising, Marketing Communications, and user experience skills, together with working a customer-centric approach. Tasks included strategic advice on digital transformation, building the omnichannel strategy and implementation of decisions on a tactical level, planning a strategic roadmap and making sure it fits into the budget (inc. media). Key Achievements: - 70 increase in online sales on online multiple product portfolios - 40 Lower CPA and improved ROAS - 30 higher customer value - Award-winning WUA online customer journey for Telco