Primary Job Title Founder & CEO Primary Organization
On Second Thought
Location San Francisco, California, United States Regions San Francisco Bay Area, West Coast, Western US Gender Female
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Maci is the co-founder and CEO of On Second Thought, a messaging app whose patented technology lets users take back text messages before they get to the other person’s phone. She was recognized on Inc Magazine’s “30 Under 30 List” of 2016, and Washington Business Journal’s “40 Under 40 List” of 2015. In addition, Maci has been identified as
"Tech's Newest Innovator" by Essence Magazine, a rising leader in technology by Revolt TV, one of the “29 People You Should Know” by BET, and one of the "25 Black People in Tech You Should Know" by The Huffington Post. Maci began On Second Thought after winning 1st Place in the #StartupOasis pitch competition at South by Southwest in 2014.
Maci is a member of the Internet Marketing Association’s Women Leaders Group. She was a member of the Founder’s Council at the 1776 Incubator in Washington, D.C., and an alumna of the MindShare Class of 2015. She has been invited to speak at a variety of leadership and business conferences including South by Southwest, The White House Initiative on HBCUs’ National HBCU Week Conference, Inc Magazine’s GrowCo, IdeaFest and Cox Communications’ Tech Summit.






