David Ensor, who as director of the Voice of America has presided over significant growth in the news agency’s audience despite budget cuts, announced Tuesday that he was stepping down. Mr. Ensor, who joined the Voice of America in June 2011, said he would leave the government-funded broadcaster at the end of next month. He did not explain his decision or discuss his plans.

Voice of America said Tuesday its director David Ensor is stepping gown after nearly four years of leading the government-funded broadcast and digital news operation.