John Banner - Product School Instructor
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John Banner

Chairman, Sphere & Widr Inc

Ranked by Forbes in 30under30, John is known as one of the most successful entrepreneurs in Europe. He currently holds the position of Chairman of Widr and Sphere, raising funds and making impressive partnerships. At the beginning of his career, John gathered experience working for 3 years as an engineer at

Cafom Distribution where he was responsible to manage and interconnect 30+ offices and lead contract negotiations. As an engineer, he developed a very broad set of skills, as focused on facts and data-driven, that helped him to reach success in his professional life. After working as an engineer, John followed his entrepreneurial spirit and he is currently the CEO and Founder at Sphere, a startup that has created the technology to anticipate the best connections among guests during events. Furthermore, he is part of the Board of Directors at MEDEF, where he is in charge of facilitating communication between the Ministry of Digital and other institutions and he is also Chairman at Widr, a technology startup that promises to change the social network market. Besides his professional success, John also contributes as an Active Member to Rotary International helping to give access to education worldwide.

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Perfect for Aspiring Product Managers from any professional background:

Learn how to build digital products from end to end, lead cross-functional teams, bulletproof your resume and practice mock interviews.

Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Product Manager Certificate™
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Perfect for PMC graduates or existing Product Managers with 3+ years of experience:

Operate as a senior-level Product Manager by digging deeper into every aspect of the product development cycle, and designing your product strategy.

Product Leader Certificate™
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Product Leader Certificate™
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Product Leader Certificate™
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Product Leader Certificate™
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Product Leader Certificate™
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Product Leader Certificate™
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Perfect for PLC graduates or existing Product Managers with 5+ years of experience

Our most advanced certificate is restricted to proven product leaders who want to learn to scale products and manage dynamic teams

Product Executive Certificate™
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Product Executive Certificate™
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Product Executive Certificate™
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Product Executive Certificate™
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Product Executive Certificate™
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