"Its enduring success is testament to Melvyn's extraordinary stewardship and his forensic curiosity, and I look forward to continuing the tradition of lively, informed conversation that listeners love," said Glenny, who is currently rector of the Institute for Human Sciences in Vienna.
" My own career has taken me from covering the fall of communism in Eastern Europe to exploring the borders, histories and people that make different nations what they are."
He continued: "But a common thread, one I share with In Our Time's listeners, is a deep curiosity about the world and the ideas that shape it.
"I couldn't be more excited to share that passion with In Our Time's wonderful contributors and devoted audiences."