Purdue Musical Organizations

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William Griffel, Albert P. Stewart Director of Purdue Musical Organizations and Jack Calhoun Director of the Varsity Glee Club

William E. Griffel is thrilled to be serving as the Albert P. Stewart Director of Purdue Musical Organizations at Purdue University, as well as the Jack Calhoun Director of the Purdue Varsity Glee Club.
William has served as a guest conductor and collaborator with the Purdue University Bands, the Lafayette Symphony Orchestra, and has performed with the Indianapolis Men’s Chorus, Indianapolis Children’s Chorus, the Indiana State FFA Chorus, the Northwest Indiana Symphony Orchestra in 2013, and the La Port Symphony Orchestra in 2015 with the Purdue Varsity Glee Club.
William has traveled both nationally and internationally as a director and performer. In the spring of 2013, William led three ensembles from Purdue Musical Organizations through four countries on their Historic Journey of Discovery Tour of Europe and in the spring of 2017, William conducted the Purdue Varsity Glee Club on a two week tour of Poland, Lithuania, Latvia and Estonia. He is sought after annually as an adjudicator, clinician and vocal coach for choral programs across the United States. As a vocalist, William is an avid barbershopper as well as performing professionally with some of the most nationally and internationally recognized organizations.
His voice can be heard on many commercial and professional recordings by some of the most recognizable publishing companies in the United States such as Warner Brothers, GIA Publications, Hal Leonard Publications, G. Shirmer and Hinshaw Press.
William received his bachelor’s degree in Music Education and Vocal Performance from Viterbo University in La Crosse, Wisconsin. He went on to receive a Master’s Degree in Vocal Performance and a Performance Certificate in Vocal Performance from DePaul University in Chicago, Illinois.
In 2015 and 2016, William was selected as a quarterfinalist for the prestigious GRAMMY’s Music Educator Award from the Grammy Foundation in Los Angeles, California, which was created to bring attention and recognition to the teaching profession in general and to school music educators in particular. William resides in Lafayette, Indiana, with his wife Stephanie and their children Chelsea, Rae, Wil and Josie.


(765) 494-3948

Rhonda Blacklock, Purdue Bells and Heart & Soul Director

Rhonda Blacklock is one of four Assistant Directors at Purdue Musical Organizations at Purdue University. She is the Director of Purdue Bells, the only instrumental ensemble at PMO, as well as the Director of Heart & Soul, PMO’s gospel choir. Rhonda also maintains a successful piano studio in her home. Outside of her teaching responsibilities, Rhonda serves Area 5, Handbell Musicians of America, as Chair for 2019-2022. An active clinician specializing in high bell techniques, Rhonda has taught at events at the local, state and national level. Prior to working for Purdue, she was the Director of Music at Grace United Methodist Church in Franklin, Indiana. A church musician since the age of 12, Rhonda has served many churches and denominations throughout the Midwest in both traditional and contemporary music. Rhonda holds a Bachelor and Master’s degrees in piano performance from the American Conservatory of Music (Chicago, IL) and Bradley University (Peoria, IL). Outside of music, Rhonda enjoys spending time with her family: husband, Ron, their adult children, grandchildren and the 2 spoiled Cavalier King Charles pups that share their home in Lebanon, Indiana.


(765) 494-4062

Brittney Bowers, Business Manager

Brittney Bowers is the Business Manager for Purdue Musical Organizations and Purdue Memorial Union. She received her bachelor’s degree in Hospitality & Tourism Management from Purdue in 2012 and has been working for Purdue ever since. She started out at the Union Club Hotel then moved to the Student Life Business Office, becoming a Business Manager in 2019. Brittney enjoys traveling, concerts and spending time with friends and family. Brittney lives in West Lafayette with her husband Nate, daughter Mackenzie and dog Hannah.


(765) 686-1537

Chrissy Crawley, Marketing & Communications Manager

Chrissy Crawley is proud to serve as the Marketing & Communications Manager for Purdue Musical Organizations. Chrissy earned her B.A. in English Education and Theatre from Purdue University and her M.S. in Strategic Management and Leadership from Purdue University Global.

After graduating from Purdue in 2013, Chrissy taught 7th grade English Language Arts in Crown Point for three years before returning to PMO in June 2016. Chrissy and her husband James are thrilled to be living in Lafayette and working for the University. In her spare time, Chrissy enjoys traveling, singing, hiking outdoors, and spending time with friends and family. Chrissy is excited to be back at PMO and working with the dedicated staff and students of this organization.


(765) 494-3328

Kim Delks, Account Clerk

Kim enthusiastically serves as the Business Assistant for Purdue Musical Organizations as well as Purdue Bands & Orchestras. She received her bachelor’s degree in Education from Purdue University. Spanning three generations of Boilermaker pride, family members who earned Purdue degrees include her father, husband, two sons, and two daughters-in-law. Kim’s work experiences include teaching, educational support roles, and school treasurer. She enjoys bicycling, serving her church, helping with Community Backpack Program, and spending outdoor time with her family. With “hometown roots” in Raleigh, North Carolina, Kim resides in Rossville, Indiana, with her husband Barry who also works at Purdue.


(765) 496-2579

Scott Hines, Purdue Varsity Glee Club Assistant Director

Scott Hines is excited to serve as Assistant Director for the Purdue Varsity Glee Club and as director of the specialty groups Ba-Na-Na, Flashbacks, Lighthouse, Voiceovers, and the Christmas Show 10-n-10 dancers.
For the past 25 years, Scott has worked as a freelance director, choreographer, accompanist, arranger, and vocalist. The past 16 years have been spent as director/producer of Elite Energy Show Choir in Decatur, Illinois. He has also lived and worked as a freelance musician in Nashville and New York City.
He has been on the staff of Show Choir Camps of America, Rising Stars Show Choir Camp, and Eastern Illinois University Summer Music Camps and has adjudicated and served as a clinician for several contests/festivals throughout the country.
Scott received his education at Eastern Illinois University and Belmont University.

Scott Hines


(765) 494-6435

Rachel Mirkin, Audience Development & Special Events Manager

Rachel Mirkin is the Audience Development & Special Events Manager for Purdue Musical Organizations. Rachel received her bachelor’s degree from Purdue’s Brian Lamb School of Communication in 2011. As an undergraduate, she served as historian and president of Purdue’s chapter of the Public Relations Student Society of America and is currently a member of the Hoosier chapter of the Public Relations Society of America.
Prior to returning to Purdue, Rachel served as the Special Events and Membership Services Coordinator for the Potawatomi Zoological Society in South Bend, IN for three years. She participated as a member of the Society’s Development Committee and also served the Big Brothers Big Sisters organization of St. Joseph County.
She and her husband, Daniel, have twin daughters, Eleanora and Ryan, and live in Lafayette with their two dogs, Milo and Libby. She is happy to be back on campus and working for Purdue.


(765) 494-3945

Jake Stensberg, Assistant Director of Purduettes and University Choir, Director of All-Campus and Community Chorale and PMO Kids Choir

Jake is excited to serve PMO as the Assistant Director to the Purduettes and University Choir, and as director of All-Campus and Community Chorale, PMO Kids Choir, and the specialty groups including the Purduette Trio, the Holy Cowgirls, Lonely Hearts, and Chamber Choir.
Jake received his undergraduate degree in Music Education from Carroll College in Waukesha, WI, before going on to direct music programs in the D.C. Everest and Wautoma Public School Districts.
In New York City, Jake worked in the music departments of the Lycée Français and Marymount Schools, served as the Assistant Director of Choral Chameleon, and was the chorusmaster and organist at The Episcopal Church of the Nativity.
He received his Master’s Degree in Choral Conducting from Butler University in Indianapolis. While there, he also taught coursework in music theory and ear training, conducted ad-hoc ensembles, the Butler Chorale, and the Butler Symphony Orchestra. He frequently played keyboard for local musical theater productions, and performed with the Circle City Chamber Choir, Indianapolis Symphonic Choir, and Tabernacle Presbyterian Church Choir.


(765) 496-2648

Hadley Thomas, Director of Development (PRF)

Hadley Thomas is a Purdue graduate from the Polytechnic Institute (College of Technology) with a BS in Organizational Leadership and Supervision. Hadley began her University career in 2003, in the Registrar’s office as the Commencement coordinator. Most recently, she has spent the past 11 years in the College of Engineering Dean’s office, as the Senior Director of Alumni Relations and Special Events. Hadley’s experiences within engineering provided her with a solid foundation, building and strengthening relationships with our engineering alumni across the college.


(765) 426-6224

Jeff Vallier, Director of Purduettes, University Choir and Recruitment

Jeff Vallier is a graduate of South High School in Waukesha, Wisconsin. He received his bachelor of music degree from the University of Wisconsin-Madison. He majored in cello and voice and was a four-year member of the concert choir under the direction of the legendary Robert Fountain. In 1999, he earned his master’s degree in choral conducting at Western Michigan University with Dr. Craig S. Arnold.
Jeff served as Department Chair and Director of Vocal Music at Lakeview High School in Battle Creek, Michigan, from 1989-2001. From 2001-08, he directed the advanced women’s concert/show choir and the advanced mixed concert choir at Jefferson High School in Lafayette. The Varsity Singers were among the top choirs featured annually at the ISSMA State Finals as well as the IMEA and ACDA state and divisional conventions.
He has performed and directed in Carnegie Hall, Germany, France, Austria, Czechoslovakia, Italy, and Switzerland. Jeff is a frequent adjudicator, clinician, and arranger for vocal ensembles throughout the United States.
Jeff is passionate about people, music, and life. He is a devoted husband to his wife, Sarah, and an active father for his three children, Adin, Riley, and Julia.  



(765) 496-2567

Kris Webster, Lead Administrative Assistant

Kris Webster is originally from Lafayette, Indiana, and earned her bachelor’s degree in Commercial Recreation Studies at Purdue University. During her time at Purdue, Kris was honored to be a member of the Purduettes. As a proud Purdue alum, Kris is excited to “be back home” and serve as the Lead Administrative Assistant for PMO.
After graduating from Purdue in 1988, Kris worked in the Resort & Travel industry as well as in Retail Management before returning to PMO as a staff member. Kris and her husband Denny, also a Purdue alum, live on the family farm in Crawfordsville, Indiana.
Kris enjoys traveling, singing, volunteering with the 4H programs in both Montgomery and Tippecanoe Counties, and spending time with friends and family. Kris is excited to be back at PMO and working with such a great organization.


(765) 496-0711

Colton Withers,  Associate Director, Purdue Musical Organizations and Director of Administration & External Relations

Colton Withers is the Associate Director of Purdue Musical Organizations (PMO) and the Director of Administration & ExternalRelations. In this role, Colton leads PMO’s external relations team and serves as architect of a successful donor relations program. Prior to this role, Colton served as PMO’s Director of Development with the Purdue Foundation. He is a graduate of Purdue University (BS) and the Indiana University Lilly Family School of Philanthropy (MA). He serves as the president of the Indianapolis Men’s Chorus board of directors, a member of the Lafayette Symphony Foundation board of directors, a member of the CASE District V conference planning committee, and is a fundraising consultant for a number of performing arts organizations.


(765) 496-6091


(800) 893-3041 toll free
(765) 494-3941 local
(765) 496-1215 fax


Ralph & Bettye Bailey Hall
359 Northwestern Ave
West Lafayette, IN 47906

Bailey Hall (BALY on campus maps) is located at the corner of Grant St. and Northwestern Ave.