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The MindSumo platform is now officially closed. We thank our solvers and clients for 13 years of insight, creativity, and collaboration. For any remaining questions, please reach out to [email protected].

740 followers
New York, NY
American Express Company provides charge and credit payment card products and travel-related services to customers worldwide.
CHALLENGES
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COMPLETE
Make our website hub an engaging destination for visitors
American Express
20/20
submitted
$600
top 6
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COMPLETE
Help us tap into the power of referral networks
American Express
40/40
submitted
$1,000
top 10