James H. Shelton, a former U.S. deputy secretary of education, will head the education efforts of the multibillion-dollar philanthropic organization created last fall by Facebook founder Mark Zuckerberg and his wife, pediatrician Priscilla Chan.
![James H. Shelton](https://epe.brightspotcdn.com/dims4/default/d82ec7c/2147483647/strip/true/crop/100x140+0+0/resize/100x140!/quality/90/?url=https%3A%2F%2Fepe-brightspot.s3.us-east-1.amazonaws.com%2F7b%2Fde%2F694de8fd5837b5c2cb2f25b77cdd%2F30-transitions-james-shelton-mug.jpg)
Shelton departed the Education Department last summer to become the president and chief impact officer of 2U Inc., an education technology company. He previously worked as a program director at the Bill & Melinda Gates Foundation and as a partner at the NewSchools Venture Fund.
Sonja Santelises, a former chief academic officer in the Baltimore district, will become CEO as of July 1.
![Sonja Santelises](https://epe.brightspotcdn.com/dims4/default/718faf8/2147483647/strip/true/crop/100x140+0+0/resize/100x140!/quality/90/?url=https%3A%2F%2Fepe-brightspot.s3.us-east-1.amazonaws.com%2Fbc%2F10%2Ff36cb583f6471b1addaa5158578e%2F30-transitions-sonja-brookins-santelises-mug.jpg)
She replaces Gregory Thornton, who came to the district in 2014.
Santelises is the vice president of K-12 policy and practice at the Education Trust, a Washington-based education policy organization. She also served as an assistant superintendent of pilot schools and assistant superintendent in charge of professional development in the Boston school system.