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Raul Valdes-Perez co-founded OnlyBoth Inc. in 2015 and is CEO. He co-founded Vivisimo in 2000, a search software company that provided enterprise products and web-based consumer services, serving as its CEO for nine years and as Chairman for twelve until its acquisition in 2012 by IBM.  At Vivisimo he was named a 2007 Ernst & Young Entrepreneur of the Year for the North Central Region and a top ten reader favorite for Entrepreneur of the Year by Inc. magazine. Earlier, he was on the Carnegie Mellon computer science faculty. He received seven research grants from the National Science Foundation and published 50 journal articles and book chapters in computer, natural, and social science. He received a computer science PhD from Carnegie Mellon in 1991, where his advisor was the Nobel Laureate Herbert A. Simon, and B.S. and M.S. degrees in information engineering from the University of Illinois at Chicago. Raul authored the book Advice is for Winners: How to Get Advice for Better Decisions in Life and Work in late 2012.

Andre Lessa co-founded OnlyBoth Inc. in 2015 and was CTO through Sept 2019. Earlier he was founder and CEO of Meaningfy, an online platform for tracking web news, trends, and insights. Before Meaningfy, he worked as a software engineer or CTO at various startups and established companies: Modcloth, Vivisimo, Lockerz, American Eagle Outfitters, Transportopia, iTraceYou, and Deloitte Consulting, where he worked for seven years after transferring from Brazil to Pittsburgh. He has a B.S. in computer science from Veiga de Almeida University in Brazil, and a post-graduate degree in IT from the Pontifical Catholic University of Rio de Janeiro. Andre authored the books Python Developer's Handbook in 2000 and Computer Science for Kids in 2010.

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