Tiffany Gueye, Ph.D.

Tiffany Gueye, Ph.D. is Sobrato Philanthropy's new Executive Committee member. Tiffany is an executive at Blue Meridian Partners, Inc., a pioneering philanthropic model for finding and funding scalable solutions to the problems that limit economic mobility for America's families living in poverty.  Previously the Chief Operating Officer, Tiffany currently serves as Senior Advisor, providing strategic leadership to align the organization’s operating model in support of growth, performance and delivering on its value proposition to investee organizations and investors.  Prior to that she managed a portfolio of Blue Meridian investments and the Impact Partner group of investors.

From 2008 to 2017, Tiffany was the Chief Executive Officer of BellXcel, a national youth-serving organization. Tiffany started her career there in 1998 and served in a variety of roles.  She was a driving force in creating a data-driven culture of continuous improvement, leading the organization’s growth to tens of thousands of beneficiaries nationwide, and spearheading shifts in the organization's strategy and economic model. BellXcel’s programs, partnership model, and evidence base have become nationally recognized in the expanded learning industry.

Tiffany earned a BA in Psychology and a PhD in Educational Research, Measurement and Evaluation both from Boston College, which has honored her with a Donald J. White Teaching Excellence Award and an honorary Doctor of Science in Education degree.

Tiffany serves on the board of the Mass General Brigham, a leading integrated healthcare system in the United States, and as an advisory board member for the Center for Effective Philanthropy.