Glenn was born in Sheepshead Bay, in the borough of Brooklyn, New York ,The United States. He grew up in his birthplace along with his siblings.
Glenn after his successful career as a journalist wrote two books about the President Barack Obama's reelection campaign and it was published in August 2012.
Glenn Married his long-term girlfriend, Diane Webber, after dating her for sometimes. Later his wife Diane gave birth to twin sons and lives a happy married life.
As a reporter, he made a chunk of money from his professional career. The average salary for the New York Times reporter is $99,201. However, his current net worth is yet to disclose.