He has worked with several R&B, hip-hop, rock and pop artists including John Legend, Kanye West, Jay-Z, Justin Timberlake, Bruno Mars, John Mayer, Snoop Dogg, Rick Ross, Kimbra, Natasha Bedingfield, Needtobreathe, Three 6 Mafia, Musiq Soulchild, Emeli Sande, Craig David, Chrisette Michele, Mayer Hawthorne, James Bay, Estelle, DEV and Jazmine Sullivan.

2005 proved to be an important year for Tozer with the success of Get Lifted, which earned eight Grammy nominations and reached multi-platinum status.

In 2006, Tozer worked on the track "Do U Wanna Ride" from Jay-Z's comeback album Kingdom Come.

Tozer also reunited with his old friend Legend and produced three songs from his acclaimed second album Once Again, including the iTunes single "On Top Of The World."

On August 12, 2013, Legend's "All of Me," which Tozer produced and mixed, impacted U.S radio as the third single from Love in the Future.

The song peaked at number two in the United Kingdom and New Zealand and topped the charts in Australia, Canada, Ireland, Portugal, Sweden, Switzerland and the Netherlands.

Tozer co-wrote two songs, and produced a significant amount of Needtobreathe's sixth LP Hard Love, which was released on July 15, 2016, and debuted at number 2 on the Billboard 200 chart.

Produced and co-written by Tozer, this song was featured on the season 2 premiere of WGN’s hit show, Underground.

A politically charged record that addresses issues of economic hardship and social injustice, Rolling Stone said of "In America," "‘In America’ moves deftly between a thumping verse and a sweeping chorus, building incrementally to a gospel-tinged fever pitch that tapers swiftly into a sparse, chilling end.