Andy Sealy, President

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Andy Sealy is in his 14th year as Director of Bands at Hebron HS in Carrollton. Under his direction, the Hebron HS Band has been a consistent UIL Sweepstakes award winner, Bands of America Regional/Super Regional Finalist and Class Champion, and “Best in Class” Winner. The Hebron Wind Symphony was recognized as the TMEA 5A Honor Band for 2010–2011 and performed for the 2011 TMEA Convention/Clinic. The Hebron Wind Symphony also performed at the 64th and 70th Annual Midwest Band and Orchestra Clinics in 2010 and 2016.

In addition, the Hebron HS Wind Symphony was awarded the prestigious Sudler Flag of Honor from the John Philip Sousa Foundation in 2012. The Hebron Marching Band has earned six straight appearances in the UIL Texas State Marching Band Contest including Silver Medalist finishes in 2012,2014, and 2016. The Hebron Marching Band received the Sudler Shield in 2011 and in 2014 was the Bands of America Grand Nationals 4A Class Champion and overall Bronze Medalist. In 2009, the Hebron Clarinet Choir performed at the 63rd Annual Midwest Band and Orchestra Clinic. And, in 2014, all of the Hebron Large Chamber Ensembles performed at the 68th Midwest Band and Orchestra Clinic. The Texas Chapter of the American School Band Directors Association selected the Hebron HS Band for their 2015 Outstanding Program Award.

Andy is a frequent adjudicator and clinician. He maintains professional affiliations with TMEA, TBA, Phi Beta Mu International Bandmasters Fraternity, American Bandmasters Association, Texas Music Adjudicators Association, International Clarinet Association, and Phi Mu Alpha Sinfonia.

Andy is happily married to Karen for 21 years. Karen is the Secondary Curriculum and Programs Director for the Lewisville ISD Karen and Andy reside in Frisco with their two rescue dogs Abby and Rosco.

Contact Information:

Hebron HS
4207 Plano Pkwy
Carrollton, TX, 75010-4205

Robert Horton, President-Elect

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Bob Horton is in his 25th year of teaching. He graduated from Sam Houston State University, where he earned his BMed, MM (Conducting), and EdD. He is head choir director at The Woodlands High School. In Horton's extensive choral experience, he has taught elementary, middle school, high school, and at the university level. Among his accomplishments are performances by his choirs at the TMEA Clinic/Convention three times with three different schools (1996, 1998, 2013), Southwest ACDA (TWHS, 2014), and his chamber choir won the Madrigal festival twice (2011, 2014). Horton served a two-year term as the MS/JH Vice-President, President, and Past President of Texas Choral Directors Association. He also has served as Region 9 Vocal Chair twice for junior high and twice for high school. Horton has served the Music and Fine Arts Ministry of The Woodlands UMC since 1996, as youth choir director, men's choir director, and leads worship in multiple services. He currently directs the A Cappella Choir and co-directs the Chancel Choir. He and his wife Connie, a junior high choir director in CISD, have two children, Andrea a music major at Baylor and Ben, who will pursue music in the fall.

Contact Information:

Conroe ISD
3205 West Davis
Conroe, TX 77304

Dinah Menger, Past-President

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Dinah Menger was thrilled to accept the position of Director of Choirs at Arlington HS in 1995 and has loved it ever since! She received her bachelor of music in choral education and vocal performance from the University of Arizona in 1984 under the tutelage of Dr. Maurice Skones and Elizabeth Mosher Kraus. She then served two years as an elementary and junior high music director before coming to Arlington High.

Menger has served TMEA as an All-State Choir Section Leader and Coordinator, Ballroom Manager (2010, 2011), and Convention Coordinator (2012, 2013). She has served two terms as the Region 5 Vocal Chair. She has been the Chairman of the UIL Prescribed Music List Committee, TMAA Vocal Vice-President, TMAA President-Elect, and is currently the TMAA President. Menger has been a presenter, panelist, clinician, and demonstration choir conductor for TMEA conventions. She has served as Region Choir clinician for many of the regions throughout the state and is a frequent adjudicator for UIL contests.

Menger’s choirs have performed at the 2005 and 2009 TMEA conventions and the 2009 and 2013 national ACDA conventions. The Arlington High Chamber Singers were invited to perform at Carnegie Hall in March of 2013 through the Kurt Weill Foundation High School Program. Menger is proud to be the 1998 AWARE Foundation Secondary Teacher of the Year.

Contact Information:
1305 Westcrest
Arlington, TX 76013
Phone: (817) 891-1095


Joe Muñoz, Vice-President and Band Division Chair

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Joe Muñoz is in his third year as Director of Bands at Pearland High School and is in his twenty-third year as a music educator. Under his direction, the Pearland High School Band has been a Bands of America Regional Championship finalist, qualified for the UIL State Marching Band Contest, been selected a National Winner in the Mark of Excellence Wind Band Honors Project and has consistently received the UIL Sweepstakes Award. Ensembles under his direction have performed at the Midwest Band and Orchestra Clinic, the Bands of America National Concert Band Festival, at TMEA as Honor Full Orchestra, consistently qualified to the TMEA State Honor Band competition and been selected as “Best in Class” at national and state festivals.

Joe has served TMEA as Region Band Chair (17, 19), Area F Wind/Percussion Chair, Area F Honor Band Chair, and Clinic Presider and has served on various committees.

Joe is a graduate of University of Houston and has taught at Clear Lake High School, Oak Ridge High School and as an assistant director at The Woodlands High School prior to his current position. He is an active adjudicator and clinician. Professional affiliations include TMEA, TBA, Phi Beta Mu International School Bandmaster Fraternity, Kappa Kappa Psi Honorary Band Fraternity, Phi Mu Alpha Sinfonia and Tau Beta Sigma Honorary Band Sorority (Honorary Member). He is supported by his loving wife D’Juana and children, Alexandra, Jared and Lindsey.

Contact Information:

Pearland HS
3775 South Main St.
Pearland, TX 77581

Brian Coatney, Vice-President and Orchestra Division Chair

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Brian Coatney, born in Arlington, Texas, began studying the cello privately at a young age of five. He continued his music studies throughout high school participating in Orchestra as well as playing percussion in numerous ensembles. After graduating from high school, Coatney pursued his music career at Northwestern State University where he graduated Summa Cum Laude with a Bachelor’s Degree in Music Education.

In 2003, Coatney earned a Masters in Orchestral Conducting at James Madison University where he had the opportunity to study with Dr. Robert McCashin. Mr. Coatney joined the Klein High School fine arts program in 2003 as the assistant Orchestra Director as well as conducted the Houston Youth Symphony Sinfonietta Orchestra. Mr. Coatney joined the Plano Senior High School fine arts team in 2007 as the Director of Orchestral Studies. Coatney was recognized in 2008 with the TexASTA Marjorie Keller Young teacher of the Year award. He is a proud member of the Texas Music Educators Association, Texas Orchestra Director’s Association, Mu Omicron, and the professional music fraternity, Phi Mu Alpha.

Contact Information:

Plano ISD
1313 Mossvine Dr
Plano, TX 75023


Derrick Brookins, Vice-President and Vocal Division Chair

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Derrick Brookins has professionally served students and parents in Texas choral music education since 1996. He currently serves on the faculty of Plano Senior HS as the Director of Choral Activities. A native of Fort Worth, Brookins has completed, with honors, both undergraduate and some graduate work at the University of North Texas earning a bachelor’s of music education and a masters of secondary education/administration from Concordia University.

For 13 years, Brookins studied under and performed with world-renowned choral musician Moses Hogan. As a choral music performer, Brookins has performed on four continents and for several European royal families, and two U.S. Presidents. He is a highly sought after choral clinician and adjudicator throughout the U.S. Choirs under Mr. Brookins’s direction consistently receive Sweepstakes at UIL contest, have been named “Best in Class” at several choral festivals throughout the U.S., and have been invited to perform at several state and national conferences.

Mr. Brookins has been recognized as Teacher of the Year at Williams HS (2000) and Plano Senior HS (2008.) He was also named as a finalist for Plano ISD Teacher of the Year, and has received the district’s Excellence in Teaching Award (2008).

Mr. Brookins has served as Regional and Area Vocal Chair and as the organizer for a Texas All-State Choir. Brookins currently holds professional membership with TMEA, TCDA, ACDA, TMAA, the American Choristers Guild and has severed as Division Chair of Multicultural/Ethnic Choral Music for Southwest American Choral Directors Association.

Contact Information:

Plano Senior High School 
2200 Independence PKWY
Plano, TX 75075

Casey Medlin, Vice-President and Elementary Division Chair

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Casey Medlin is currently the Music Specialist at Brazos Bend Elementary in Fort Bend ISD and has been teaching since 2007. She has taught in Louisiana and Texas. Medlin has served TMEA as a mentor, a presider, an Election Committee member, a concert organizer, and as an Elementary Chair for Region 13.

Other professional memberships include AOSA, TCDA, and SAI.

Medlin received her Bachelor of Music Education from Louisiana State University in 2007 and her Orff Certification from AOSA in 2011. She plans to begin work on her Kodaly Certification soon.

Casey currently lives near Sugar Land, TX with her spoiled dog, Grover.


Contact Information:

Casey Medlin
5555 Long Prairie Trace #618
Richmond, TX 77407


Si Millican, Vice-President and College Division Chair


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Si Millican currently serves as music education area coordinator at the University of Texas at San Antonio where he teachers courses in Instrumental Music Education and works extensively with the Institute for Music Research. Millican’s research interests include essential knowledge and skills used by successful instrumental music teachers with a special interest in the teaching of beginning band. He is the author of Starting Out Right: Beginning Band Pedagogy published by Scarecrow Press. He has presented his research at state and national conferences and has published in The Instrumentalist, School Band & Orchestra, Bandmasters Review, American Music Teacher, Update: Applications of Research in Music Education, and The Journal of Music Teacher Education.

Dr. Millican was born and raised in Texas and graduated from Temple HS. He received his bachelor’s and master’s degrees in instrumental music education from the University of North Texas in Denton where he studied clarinet with Dr. John Scott and Dr. James Gillespie. His concentration at the University of North Texas was Instrumental Conducting where his primary instructors were Dr. Robert Winslow, Dennis Fisher, and Eugene Corporon.
Prior to his university work, Dr. Millican was a public school teacher in the Arlington, Lewisville, and Belton school districts teaching at the high school and middle school levels. His concert, marching, and jazz bands performed at a consistently high level. While at Lamar MS, the Symphonic Band was a Texas State Honor Band finalist twice. At Belton HS, the Marching 100 advanced to the State Marching Contest twice and finished as high as sixth place in class 4A.

Dr. Millican received a PhD in music education from the University of Oklahoma in Norman. While at OU, Dr. Millican studied conducting with Dr. William K. Wakefield and worked extensively in the music education department with Dr. Michael Raiber and Dr. Nancy Barry.

Dr. Millican remains an active clinician and adjudicator across the state of Texas and is on the Active Concert Band list of the Texas Music Adjudicators Association. His wife, Sherry, is a high school choir director in San Antonio. They have a son and a daughter in public schools in San Antonio, a cat named Elvis, and an enormous rescue dog named Roman.

Contact Information:

One UTSA Circle
San Antonio, TX 78249
(210) 458-5334