A native of Queens, New York, DJ Envy was tutored and mentored by neighborhood acquaintance DJ Clue?, who introduced him to the mixtape circuit in the mid-1990s. DJ Clue? hired DJ Envy as his gardener in 1991; while planting flowers, Envy would beat box. DJ Clue was impressed and took him under his wing. He quickly climbed up the ranks, and by the early 2000s he was peddling the latest commercials and exclusives for big-name rappers like Hahflamez, Jay-Z, 50 Cent, and The L.O.X.. Since his reputation was so esteemed, DJ Clue? signed him to his record label Desert Storm. In 2003, he released his commercial debut album entitled . DJ Envy's big break on the radio came when he mixed once a month for Hot 97's show called "Takin' it to the Streets", hosted by Angie Martinez from 12:00 am to 4:00 am, but later filled in when Martinez became pregnant. He then co-hosted Hot 97's morning show with Miss Jones from 6 am-10 am daily. His run on the morning show ended in July 2008 when Miss Jones moved to Philadelphia, Pennsylvania. DJ Envy spun on his own mixshows on Hot 97 called "The People's Mix" on Saturdays from 12:00 pm to 2:00 pm and "The People's Choice Hit List" on Sundays 5:00 pm to 8:00 pm. He had a segment on Hot 97 titled "New at 2", where he played the newest hits from 2:00 pm to 2:30 pm. He hosts Hip-Hop Nation's afternoon show on Sirius XM Radio on weekdays 5:00 pm to 10:00 pm EST and on weekends he used to do a show from 2:00 pm to 6:00 pm on Power 105. On Monday December 6, 2010, DJ Envy, Angela Yee and Charlamagne tha God began hosting the morning show on Power 105 as The Breakfast Club. In September 2016, he voiced support for stop-and-frisk, and later apologized after constant criticism. DJ Envy has made appearances on Juelz Santana's and Lloyd Banks's music video "Beamer Benz or Bentley" and various television shows, such as 106 & Park, Entourage, and Tha Corner, which he hosts on the Music Choice channel. He was featured in the 2006 filmBlood of a Champion, credited as Shadow's enemy friend. He also appeared in The Raw Report of Gucci Mane documentary. On March 21, 2010, DJ Envy took over as VJ of MTV2's Sucker Free Countdown. He recently released a record entitled "Still A Fan" featuring recording artist, songwriter, producer "Rico Love". Which leads many to believe he may be planning a new mixtape or album in the future. He and his wife Gia Casey host a podcast called "The Casey Crew" that talks about the good, bad, ugly, and beauty of relationships and family.
Casey married Gia Casey in 2001. The couple have five children: daughters Madison, London, and Brooklynn and sons Logan and Jaxson. He has been a resident of Kinnelon, New Jersey.