ConvertMedia named Chris Scott president and chief revenue officer.

PBS NewsHour hired John Yang as general assignment correspondent for the nightly news broadcast.

Index Exchange named Drew Bradstock as senior vice president of product.

Sandbox elevated Chris Gavazzoni and Jean May to vice president, executive producers.

Ned Brown joined Native Content as executive producer and partner.

Mimecast named Alex Bender as senior vice president of global marketing.

Enilon added executive vice president client services Claire Brunner as partner.

Current Marketing announced that Clint Bagley has joined the agency as a senior vice president in the San Francisco office, and Seth Goldberg joined the agency as senior vice president, head of strategy in the Chicago office.

Perpetual Insights promoted Shannon Silsby to principal.

Discovery Communications announced that chief financial officer Andrew Warren will leave the company at the end of 2016, after serving nearly five years with the company.