About Sean Johnson

My background

I'm currently the CEO at Madison, helping professional services firms market and grow.

I have spent 9 years teaching at Northwestern University’s Kellogg School of Management in the Entrepreneurship and Innovation program.

Previously I was one of the founding partners at Manifold, a venture holding company in Chicago. During the 12 years I was there we built a 70-person boutique enterprise consulting company, invested in over 25 companies with several exits, built an incubation practice, and raised over $50 million in funding.

I'm the author of SIP, a playbook for teaching kids entrepreneurship and a #1 new release on Amazon in 2022.


These days I primarily help owners and partners at professional services firms grow their businesses through the clear identification of their Point of View and the creation of Authority Marketing programs that turn them into trusted advisors.

Twice a year I help senior executives deliberately construct lives of meaning and joy through a 6 week group coaching program.

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