Glenn began his reporting career in the lower Manhattan weekly newspaper Downtown Express. He is popular like personalities Antoinette Antonio, Jesse Watters, and Steve Kroft and worked as an education and politics reporter for the now-defunct Post Herald in Birmingham, Alabama. Later he went to the New York policy journal City Limits, where he worked as reporter and editor. After that, he moved to Bloomberg News to cover the New York City's hospital industry.
In 2008, Glenn covered Hillary Clinton's presidential campaign for Newsday. In 2012, he wrote two books about the President Barack Obama's re-election campaign, and it was published in August 2012. In December 2016, he joined The New York Times covering the White House.
Later he was suspended from his position for amid allegations of sexual misconduct. The paper determined that Glenn would be suspended until January 2018, when he will return to work but in a different position than his prior White House beat.
Glenn is an American by nationality and belongs to white ethnicity. He Married his long-term girlfriend, Diane Webber, after dating her for sometimes. The couple blessed with twin sons in 2013. He lives a happy married life with his wife and children in Kensington, Maryland, the United States. Until today the couple is living a happy married life without having rumors of getting a divorce.
As a reporter, he makes a chunk of money from his professional career. He worked for the New York Times, from which he also earns a decent amount of salary. The average salary for the New York Times reporter is $99,201. However, his current net worth is yet to disclose.