The William J. Brennan Band Program has achieved a reputation of excellence, class, and achievement and is staffed by a talented team of music educators. Brought together by a deep passion for excellence in music education, each brings their own unique character and experience to the band program. Get to know a little about them here.

Director of Bands - Thomas Kober

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Thomas Kober is the Director of Bands at William J. Brennan High School (6A) in San Antonio, TX and is a graduate of Texas Christian University in Fort Worth, Texas with a Bachelor’s degree in Music Education. Mr. Kober began his time at Brennan High School in the fall of 2016, and has been the primary conductor of the Wind Ensemble, and co-instructor of all other ensembles including the Varsity Full Orchestra, Wind Symphony, Symphonic Band, and the Brennan Bear Marching Band. During his tenure, the band program has developed a proven reputation for success – Receiving many superior ratings, best in class, and championship distinctions at district, regional, area, and state wide events. The band was an Area Honor Band finalist in 2017, placed 2nd and 1st respectively in the US Bands National Championship in 2018 & 2019, was selected as a TMEA Clinic Ensemble in 2019, and most recently earned the distinction as a Featured Band for the Music for All National Festival in 2020.

​Prior to his time at Brennan, Mr. Kober was an Associate Director of Bands at Sandra Day O’Connor High School in Helotes, TX. Under his direction and guidance, all ensembles of The O'Connor High School Band and Orchestra Programs exclusively earned UIL "sweepstakes" ratings. The O'Connor High School Marching Band has was selected as a participant at the Texas State Marching Band Contest, and won the UIL Area G contest in 2014.

Mr. Kober also has an extensive background in Drum Corps International (DCI) and Winterguard International (WGI), most recently working on the design team and coordinating the music caption with the Blue Knights Winds from Denver, Colorado. Prior to his time with Blue Knights, he was a member of the music instructional staff with Santa Clara Vanguard and Boston Crusaders Drum and Bugle Corps. 

Associate Director of Bands - Mark Wolocki

Mark Wolocki is the Associate Director of Bands at Brennan High School.  He is the primary conductor of the Symphonic Band, and assists with all other ensembles including theVarsity Full Orchestra, Wind Symphony, and the award winning Brennan Bear Marching Band.


Before coming to Brennan, Mr. Wolocki taught at G.W. Brackenridge in SAISD, where he taught the concert band, intermediate band, music theory, and team taught the marching band.  During his time at Brackenridge the band program received numerous honors including the Concert Band’s first UIL Sweepstakes.  Before coming to San Antonio he was an assistant band director in the West Orange-Cove CISD.


Mr. Wolocki is also an avid performer.  He plays regularly with the Heart of Texas Concert Band in the clarinet section.  He was a featured soloist in 2016 with Heart of Texas, performing Morton Gould’s “Derivations” for solo clarinet and jazz band.   Mark also performs with the Prickly Pear Clarinet Ensemble.  The group will be performing at the 2016 International Clarinet Association Conference.


Mr. Wolocki earned a Masters in Clarinet Performance from Louisiana State University in 2010, studying with Robert DiLutis.  He also holds a Bachelor's Degree from Ithaca College in Music Education.

Mr. Wolocki resides in San Antonio, Texas and enjoys spending time with his wife Ella and daughter Elizabeth.

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Director of Percussion - Tim Briones

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Tim Briones pursued his Bachelors in Music Education at the University of Texas at Austin, where he studied with Thomas Burritt and Tony Edwards. While at UT, Mr. Briones performed in many ensembles, including Steel Band, Gin Daiko, Longhorn Band, and Percussion Ensemble. Under the direction of Jerry Junkin, Mr. Briones was a member of the Wind Ensemble during their European Tour of John Corigliano’s Circus Maximus in 2008.


After graduating in 2010, Mr. Briones entered into the Master’s Program at the Eastman School of Music, where he studied with Michael Burritt, Chip Ross, and Bill Chan. During his time at Eastman, Mr. Briones taught lessons, coached percussion ensemble, and performed with the Eastman Percussion Ensemble at the Kennedy Center in 2011.


After graduating in 2012, Mr. Briones moved to San Antonio, TX to become a freelance music performer and educator. So far, Mr. Briones’ private students performed in the All-Sate Ensembles at TMEA, received multiple Outstanding Soloist Awards at TSSEC, and have received second place in the PAS High School Marimba Competition and Great Plains Marimba Competition. This is Mr. Briones’ seventh year with William J. Brennan High School, where the Percussion Ensemble won the International Percussion Ensemble Contest and was invited to perform a showcase concert at PASIC 2017 in Indianapolis.

Colorguard Director - Darryl Pemberton

Darryl Pemberton is the Visual Designer and Color Guard director for the William J. Brennan High School Band. In his time at Brennan, Pemberton has led the Brennan Color Guard to numerous medals in the Texas Colorguard Championship circuit as well as a Texas State Championship. Pemberton also works with the Claudia Taylor Johnson Color Guard, where he has led the group to earning the distinction as a multiple WGI finalist, winning first place in Scholastic World at the WGI Southwestern Colorguard Championship in 2015 and earning the Silver Medal in the Scholastic Open Class in 2013.


Pemberton began his career performing with the World Champion Cadets of Bergen County. After aging out of the corps, Pemberton served as a Visual Technician for the Cadets in 1996 and 1997 before taking over as the Visual Caption Head in 1998, a role he held through 2001. As Caption Head in 1998, Pemberton led the corps to another championship title and a perfect score in marching technique.


Additionally, Darryl is the Visual Designer with The Boston Crusaders (Mass.), where he has served since 2011. After nearly 15 years with The Cadets, Pemberton took over as the Drill Designer and Visual Caption Head for the World Class Finalist Crossmen Drum and Bugle Corps in 2002. Pemberton served in that capacity from 2002-2004, during which the corps continued its tenure as a DCI Finalist each season. In 2007, upon the Crossmen's geographic relocation to Texas, Pemberton returned to the corps as the Visual Caption Head, helping to provide stability in the move and build consistency in the visual program. In 2008, Pemberton resumed his responsibilities as the Visual Designer for the Crossmen, and served this role for two seasons in 2008 and 2009, until returning to The Cadets for the 2010 summer.


In the Color Guard world, Pemberton has previously served as the Program Designer for Alter Ego Independent Winter Guard. Under his guidance, Alter Ego were bronze medalists in Independent A class at WGI world championships in 1997, and also garnered four consecutive championship titles in the Mid Atlantic Indoor Network (MAIN) circuit on the East Coast. Prior to his re-location to San Antonio, Pemberton was the founder of New Era Independent Winter Guard from Portland, Oregon who became a WGI regional finalist and also worked as Program Designer for WGI Southern California regional champions Aloha High School Winter Guard. Aloha High School won three consecutive championships titles at NWMBC championships in Portland, Oregon.