- Kelis – vocals, executive producer
- Vincent Alexander – engineer
- André 3000 – rap, producer, drums, programming, keyboards
- Greg "Ruckus" Andrews – DJ
- Chris Athens – mastering
- Dallas Austin – producer, arranger
- Daniel Betancourt – assistant engineer
- Dame Blackmon "Grease" – producer
- Warren Bletcher – assistant engineer
- Gerry Brown – engineer
- Andrew "Drew" Coleman – engineer
- Regina Davenport – production coordinator
- Kevin "KD" Davis – mixing
- Andrew Dawson – mixing assistant
- Martha Georghiou – legal representation
- Serban Ghenea – mixing
- Cesar Guevara – assistant engineer
- Doug Harms – assistant engineer
- Jake and the Phatman – co-producer ; drums ; percussion, scratches ; drum programming
- Kevin Kendricks – keyboards, piano
- Markus Klinko and Indrani – photography
- Mike Koch – engineer
- Marcus Logan – marketing
- Carlton Lynn – engineer
- James Majors – engineer
- Joe Mama-Nitzberg – creative direction
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- Glen Marchese – engineer, mixing
- Rene McLean – management
- Kenneth Meiselas – legal representation
- Nas – rap
- The Neptunes – producers
- Tim Olmstead – mixing assistant
- Dave Pensado – mixing
- Lylette Pizarro – management
- Nicole Plantin – A&R coordinator
- Tony Reyes – guitar, backing vocals
- Geoffrey Rice – mixing assistant
- Rockwilder – producer
- Daniel Romero – mixing
- Raphael Saadiq - producer, guitar ; vocals ; bass
- Jeffrey Schulz – artwork, layout design
- Anette Sharvit – production coordinator
- Rick Sheppard – engineer
- Dexter Simmons – mixing
- Matthew Still – engineer
- Phil Tan – mixing
- John Tanksley – engineer, mixing assistant ; assistant engineer
- Pat "Pat 'Em Down" Viala – engineer
- Barbara Wesotski – A&R administrator
- Kelvin Wooten – co-producer, keyboards ; piano, sitar ; bass, guitar
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