Instrumental Music Faculty

Brett martinez faculty photo Brett Martinez, Assistant Professor of Instrumental Music
316.322.3117, Office BOE 724

Prior to coming to Butler, Mr. Martinez spent fourteen years as a school band director. For the past twelve years Mr. Martinez served as the Director of Bands for Douglass Public Schools. He was responsible for all aspects of the band program, including Fifth Grade Band, Sixth Grade Band, Seventh and Eighth Grade Band, and Middle School Drum Line. At Douglass High School he was responsible for the Marching Band, concert Band, Drum Line, Select Ensembles and individual performances, as well as team-teaching Music Theory.

Under the direction of Mr. Martinez, the Douglass Bands consistently earned Superior Ratings at League and State Festivals, as well as at Marching Festivals including the Kansas State Fair and Arkalalah. The Douglass High School Band also earned invitations for featured performances at the Arkalalah Marching Festival, the Kansas Music Educators Association Inservice Workshop and at Wichita State University. Mr. Martinez has served as an adjudicator for area music festivals, as a guest teacher for Instrumental Music Methods Class at Wichita State University, and as a clinician for the Kansas Bandmasters Association. 

A native of Kansas, Mr.Martinez earned a Bachelor of Music Education degree in 1999 from Wichita State University and a Master of Music Education degree in 2008, also from Wichita State University. He was named Teacher of the Year for Douglass Public Schools in 2007. Mr. Martinez maintains memberships in the National Association for Music Education (NAfME), Kansas Music Educators Association (KMEA), and Kansas Bandmasters Association (KBA). Mr. Martinez served as the South-central District Representative for KBA from 2008 - 2013 and is currently serving as KBA President-elect. He is an elected member of the Phi Beta Mu International Bandmaster Fraternity. 

At Butler, Mr. Martinez directs the Concert Band and Jazz Bands, as well as teaching applied lessons and Music Appreciation.

Mr. Martinez is an active participant in community service projects in Douglass and Rose Hill, as well as through his local church. Each summer Mr. Martinez enjoys playing trumpet with the Senseney Community Band along with colleagues and students. Additionally, each summer he participates and encourages his students and community members to participate with the Drums Across Kansas Drum and Bugle Corps program.

Mr. Martinez and his wife Sharlet reside in Douglass with their cat, Boo.

Joel Knudsen Faculty PhotoJoel Knudsen, Professor of Instrumental Music
316.323.6924, Office BOE 730

Mr. Knudsen has been an instructor of music at Butler since 1998. He teaches First Year Music Theory and Applied Piano, along with other music courses. Mr. Knudsen leads a five-piece combo that accompanies the Headliners, and he also accompanies Chamber Singers, Concert Choir and Jazz Band. In addition, Mr. Knudsen has been the pianist for the Wichita Symphony since 1984, and maintains an active private studio of piano students.

His wife Lori is very supportive of the Butler music department, and Mr. Knudsen is the proud father of three boys who are musician's, and the proud grandfather of three awesome grandchildren. "I am at Butler Community College to do my part in making it the best music department it can possibly be. I love working with our students; watching them grow as people and as musicians. At the same time I am grateful for the growth in my own musicianship over the years I have taught at Butler. This is a direct result of working alongside of, and learning from, my wonderful colleagues and our talented students."

Roberto bernardinello faculty photoRoberto Bernardinello, Adjunct Instructor of Instrumental Music

Roberto began to play in 1991, under the guide of Piero Orsini (Gipsy Kings - Lisa Hunt). In 1992, he began his first experiences, performing in top 40 and rhythm & blues bands. In 1993, he joined a jazz quartet, playing around the Milan (Italy) area in clubs and venues. From 1993 to 1995, he played in various fusion and funk band projects.


In 1996, Roberto joined "Diatriba," a flamenco-jazz band lead by virtuoso guitarist Marco Porcu. With the same band, he played the following three years on TV channel (Mediaset-Odeon TV), as well as, major clubs in all of Italy.  In 2003, he moved to London to study at the prestigious Trinity College of Music.


Currently Roberto is based in Wichita, Kansas. He leads many ensembles and is a staple of its night scene. Recent collaborations include artists: , Harry James Big Band, The Fabulous Flippers, Gary Foster, Earl Dumler, Christian Howes, Jay Daversa, Denny Jiosa, Jerry Hahn, Philippe Bertaud, Joseph Vincelli, Mike Longo, Tom Fowler, Bill Caldwell, Roger Lewis, Scott Strecker & Richard Johnson.


Ellen mosley faculty photoEllen Mosley, Adjunct Instructor of Instrumental Music

Dr. Ellen Johnson Mosley is currently the Chair of the Career and Artistic Development Committee for the National Flute Association and Associate Principal Flutist in the Delano Chamber Orchestra in Wichita, KS.  She serves on the music faculty at Butler Community College in El Dorado, KS and on the board of the George B. Tack Memorial Flute Committee as well.  A versatile performer and community leader, she has established a career as a soloist, teacher, chamber musician, improviser, and outreach specialist.  Dr. Mosley previously taught at Concordia University in Austin, TX and served as President of the Austin Flute Society.  She holds degrees from Florida State University (D.M.), the University of Texas at Austin (M.M.) and Wichita State University (B.M.). 



Steve hatfield faculty photoSteve Hatfield, Adjunct Instructor of Instrumental Music

Steve Hatfield is a drummer/educator based in Wichita, Kansas.   Steve studied drums and percussion under Dr. J.C. Combs at Wichita State University. He has also studied with Ed Soph, Steve Houghton, Bruce Chaffin, and Rod Fetter. Since that time, Steve has become one of the most in demand drummers in the Midwest. He has shared the stage with artists such as Joe Williams, Martina McBride, Glenn Alexander, Bob Florence, and Jerry Hahn. He currently performs with The Bodo Ensemble, The Elemental Trio, Cabaret Oldtown, Music Theater of Wichita, and leads the aptly named Steve Hatfield's Band. 


Strongly dedicated to education, Steve serves as adjunct professor at both Wichita State University and Butler Community College.  He has maintained a thriving private teaching practice since 1985 and operates studios at both Midwest Drum & Percussion and Air House Music Academy in Wichita.  Steve has performed clinics and masterclasses throughout the midwest as well as Mexico City and Canada.