Maci Peterson Philitas

Maci Peterson Philitas is an inventor, serial entrepreneur, and respected thought-leader. Maci is a frequent lecturer, subject-matter expert and advisor on entrepreneurship, innovation, and diversity. 

Maci is the CEO and co-founder of On Second Thought (OST), the definitive delay-recall mechanism for mobile communications platforms. She launched OST’s mobile app in 2014 with a mission to increase understanding, deepen communications, and bridge global relationships through more accurate mobile communications. Under her leadership, OST has raised over $1 million from investors, expanded to 190 countries; secured multiple patents; and evolved beyond the mobile app to meet more users where they are. OST now licenses its highly scalable API to the telco, peer-to-peer payments and unified communications industries. 

In her role as CEO, Maci drives OST’s vision and strategy, leveraging her keen eye for industry trends and market analysis to identify growth opportunities for current and future products. Maci leads with an ethos of faith and tenacity and is known for pushing the boundaries of existing frameworks. She oversees all business operations, fundraising, marketing and partner relationships to ensure the successful growth of the company. 

Maci has been named to several notable lists, including: San Francisco Business Times 40 Under 40; BBC 100 Women; Inc. Magazine’s 30 Under 30; Tech Diversity’s 40 Under 40; and Washington Business Journal’s 40 Under 40. She has been profiled by NPR, The Washington Post, BuzzFeed, Black Enterprise, Fox and many other media outlets. 

Maci earned her BA in public relations and advertising from Chapman University.