At the young age of 24, Gregg began touring with Count Basie from 1980 through 1982. The then toured with Ella Fitzgerald from 1985 through 1986 and Frank Sinatra from 1991 through 1995. He can be heard on Sinatra's historic, multi-platinum Duets and Duets II recordings. Gregg has performed with numerous symphonies worldwide including New York, Los Angeles, Chicago, Dallas, Boston, Nashville, Seattle and the National Symphony in Washington D.C.
Gregg has appeared on 21 Grammy-nominated recordings, three of which have received the coveted Grammy. Among Gregg's recent recordings are Natalie Cole and Various Artists We All Love Ella, Shelby Lynne (Oct. 2007), George Benson and Al Jarreau's Givin' It Up, Carole King's New Songs-Old Friend, Dave Koz's At the Movies, Robbie Williams and Various Artists Dean Martin Duets (Sept. 2007), Barbra Streisand's The Movie Album, Bette Midler Sings the Rosemary Clooney Songbook, Monica Mancini's Ultimate Mancini, Johnny Mathis' Isn't It Romantic, Jane Monheit's Taking a Chance On Love, Barry Manilow's A Christmas Gift of Love and Vince Gill's Breath of Heaven.
Not only a highly respected musician, Gregg is also a busy producer. His recent work includes the PBS Great Performance special "We Love Ella," the Concord-Starbucks release and #1 Billboard Album Ray Charles' Ray Sings, Basie Swings, George Benson and Al Jarreau's double-Grammy award-winning Givin' It Up, Monica Mancini's double-Grammy nominated Ultimate Mancini, Vince Gill and Toby Keith's Make Them Hear You, Concord Records 30th Anniversary-Live at Montreux and Patti Austin's Grammy nominated For Ella.
Gregg is a partner at Concord Music Group, which swept the 2005 Grammy Awards with the triple-platinum Ray Charles release Genius Loves Company.
Gregg's film and television credits include: PBS Great Performances "We Love Ella" (June 2007); Beyond the Sea; White Chicks; A Hot Time in Harlem 70 Years at the Apollo Theatre; Eight Crazy Nights; Ghost Ship; The Score; The Kennedy Center Honors; The Grammy Hall of Fame Awards; Frank Sinatra, A Man and His Music; Saturday Night Live; The Tonight Show; A Carnegie Hall Tribute to Count Basie; Basie and Bennett Together Again; The Soul Train Awards; Night Court with Mel Torme; MTV; VH-I; Monica Mancini: On Record PBS; and the Sinatra video release, The Reprise Collection Vol. III.
Gregg has served as a Recording Academy Governor and Trustee of the Grammys, Chairman of the Grammy Producers committee and a member of the Grammy Jazz Screening Committee. Gregg currently serves on the USC School of Music Board of Directors and has also been a member of the faculty of the University of Southern California since 1983.
Gregg is an artist representative and clinician for Yamaha Drums, Zildjian Cymbals, Vic Firth Drumsticks and Digidesign. The San Francisco native resides in Los Angeles.