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Sean MacMannis

Founder & Marketing Director, Career Transition & Life Coach

Sean MacMannis is the founder and marketing director of Positive Sum, a company that helps with marketing for early-stage technology organizations focused on building an internet that empowers builders and creators.4

Professional Background

Sean has extensive experience in digital advertising and marketing. He previously worked at Pinterest5 and has also been associated with Gitcoin.2 His LinkedIn profile indicates that he attended the University of California, Berkeley1, likely for his MBA at the Haas School of Business, as he mentions having an MBA from Berkeley/Haas.5

Current Role

As the founder of Positive Sum, Sean describes himself as a "solopreneur".3 In this capacity, he assists founders and professionals in growing their companies and careers.1 His work focuses on supporting exceptional DePIN (Decentralized Physical Infrastructure Networks), web3, and creator economy startups.2

Personal Life

Sean is based in the San Francisco Bay Area, where he has lived since 2007.5 He is married and a father of three children.2 Originally from Santa Barbara, California, Sean brings his West Coast background to his professional endeavors.5

Online Presence

Sean is active on various social media platforms:

  • His LinkedIn username is seanmacmannis1
  • On Twitter (X), his handle is @smacmannis2
  • He also has a presence on Matcha under the username @seanmac4

Through these channels, Sean shares insights about marketing, technology, and entrepreneurship, reflecting his expertise and interests in these areas.

Highlights

Sep 23 · The Information
'What Am I Going to Do Now?': Fired Crypto Workers Weigh Life After the Boom - The Information
'What Am I Going to Do Now?': Fired Crypto Workers Weigh Life After the Boom - The Information
Sep 23 · The Information
'What Am I Going to Do Now?': Fired Crypto Workers Weigh Life ... - The Information
'What Am I Going to Do Now?': Fired Crypto Workers Weigh Life ... - The Information

Related Questions

What inspired Sean MacMannis to start Positive Sum?
What kind of companies does Positive Sum typically work with?
How did Sean MacMannis' experience at Pinterest influence his career?
What are some notable projects Sean MacMannis has worked on at Positive Sum?
How does Positive Sum support early-stage technology organizations?
Sean MacMannis
Sean MacMannis, photo 1
Sean MacMannis, photo 2
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Experience

Founder & Marketing Director at Positive Sum, Career Transition & Life Coach at Positive Sum
Head Of Marketing at Gitcoin (2021-2022), Co-Founder at Collective Knowing (2020-2021), Global Product Marketing Lead, Advertising at Pinterest (2017-2020), Principal at Trailhead Consulting (2015-2017), Sr. Director, Product Marketing & Global Client Solutions at NextRoll (2012-2015), Ads Strategy and Integration Manager at Yahoo (2010-2012), Senior Account Manager at Adify (2007-2010)

Education

Master of Business Administration (MBA) from University of California, Berkeley, Haas School of Business; Bachelor’s Degree in History from Dartmouth College

Location

San Francisco, California, United States