ZULU KINGS BRASS BAND
Quito, Ecuador, S.A.
Creator, Composer, Arranger, Trumpet, Vocalist
2014-

American Idol TV
Los Angeles, CA
Orchestrator, Arranger, Copyist
2011-2014

University de San Francisco de Quito/IMC
Quito, Ecuador, S.A.
Professor of Jazz Studies, Arranging/Composition, Improvisation, Vocal Jazz Improvisation, Director of Bands
2011 — 2013

Teatro Sucre Nacional
Quito, Ecuador, S.A.
Conductor / Composer / Solist
2010

Edison Ballroom Theater
“Sleighbells Swing”
Composer / Arranger / Conductor / Soloist
2008

Organ Nation
Composer / Soloist
2008 —

J.C. Heard Orchestra (under Walt’s continued direction)
Music Director / Composer / Arranger / Soloist
1989 —

Ms Jo Thompson & the J.C. Heard Orchestra
Music Director / Conductor  / Composer
1997 —

U.S. Dept of State & the Kennedy Center
Jazz Ambassador — Trio WAG
2001 — 2004

Billy Strayhorn Project
Lincoln Center NYC
Principal Trumpet
2002 — 2006

Gotham Brass Quintet
Principal Trumpet
2001 — 2013

Jambalya Brass Band
Lead Trumpet
1999 — 2013

Metropolitan Brass Quintet
Principal Trumpet
1995 — 2000

Jimmy Madison & Friends
Music Director / Composer / Soloist
1995 — 1999

Ray Santo's Caribbean Afro Music Experience
Featured Soloist
1993 — 2001

Ms Jo Thompson Quartet
Music Director / Soloist 
1993 —

Emergence (Jazz Quartet)
Soloist / Composer
1993 — 1995

Grupo Greg Ribot
Soloist
2006 — 2013

George Gee & the Jump Jive and Wailers
Music Director / Arranger / Soloist
1998 — 2009

Jimmy Stefanson Latin Jazz Combine
Soloist / Instrumentalist 
1990 — 1992

Detroit Concert Choir
Composer in Residence
1988 — 1992

Acoustic Arts Ensemble
Composer in Residence / Soloist
1988 — 1992

Detroit Dance Collective
Composer in Residence
1984 — 1985

The Motor City Jazz Quintet
Music Director / Co-Leader
1983 — 1996

Detroit Symphony Orchestra Pops
Lead Trumpet
1983 — 1984

J.C. Heard Orchestra
Music Director / Composer /Arranger / Soloist
1982 — 1989

The Duke Ellington Orchestra
Instrumentalist 
1979 — 1979

The Grand Hotel Orchestra
Soloist / Arranger / Composer
1979 — 1982

Paradise Jazz Orchestra
Lead Trumpet / Soloist 
1976 — 1984

IMPACT (Jazz Quintet)
Co Leader / Musical Director / Composer
1974 — 1982

Professional Associations:

Pistol Allen, Barry Altschul, Ralph Armstrong, Burt Bacharach, Johnnie Bassett, Eddie Bert, Ravi Best, Don Braden, Cecil Bridgewater, Ray Brown, Roy Brooks, Lance Bryant, Joey Calderazzo, Gene Calderazzo, the Cab Calloway Orchestra, Steve Campos, James Carter, Regina Carter, Doc Cheatham, Mike Clark, Rosemary Clooney, Carla Cook, Stanley Cowell, Kenny Cox, Buddy DeFranco, Dirty Dozen Brass Band, Kenny Drew Jr, Bruce Dunlop, Willard Dyson, Duke Ellington Orchestra, Jon Faddis, Joe Fiedler, Frank Foster, Don Friedman, Kenny Garret, John Dizzy Gillespie, Mark Gross, Alex Harding, Dawn Hampton, Slide Hampton, Alex Harding, Eddie Hendersen, Milt Hinton, Marv "Doc" Holladay, Roger Ingram, Chip Jackson, Duffy Jackson, Howard Johnson, Kurt Joseph, Paul Keller, Brad Leali, Mark Levine, Jed Levy, Victor Lewis, Kirk Lightsey, Jimmy Madison, Cecil McBee, Mills Brothers, the Mingus Big Band, Sherman Mitchell, Joe Morello, Eddie Palmieri, Scott Petersen. Nat Pierce, Charlie Persip, Oscar Peterson, Valery Ponomarov, Tito Puente, Vivian Reed, David Schnitter, Gary Schunk, Danny Spencer, Bob Summers, Buddy Tate, Charles Tolliver, Walter White, Gary Wittner, Mike Wolff, John Worley, Earl VanDyke, Earl Van Riper, Mike Vax, Pete Yellin, Wild Cherry, Aretha Franklin, The Four Tops, Eddie Kendricks, the O'Jays, Martha Reeves, David Ruffin, Temptations, Johnnie Taylor, the Brides of Funkenstein, BMI, Local 802 AFM, Harry Fox.