About Us



Executive Director

Shelby Mattingly

Office: (303) 355-7855
Cell: (720) 319-8195

Email: shelby@insidetheorchestra.org

Shelby Mattingly has over twelve years of financial and management experience, in both the for-profit and nonprofit sector. She holds a bachelor of fine arts from Denison University and a master’s in public administration with a nonprofit management concentration from The University of Colorado Denver. She is a committed volunteer, and served on the board of Girls on the Run of the Rockies for four years, volunteered with Big Brothers Big Sisters, as well as several other nonprofit organizations in Denver. Ms. Mattingly benefited immeasurably from arts education herself as a child and is thrilled to commit her professional career to Inside the Orchestra.



Program Coordinator

Sara Hare

Office: (303) 355-7855
Email: sara@insidetheorchestra.org

Sara Hare is a classically trained oboist and musician who has spent three years teaching young children in the US and France. She has a Bachelor of Music from the Cleveland Institute of Music, and recently completed her Masters of Liberal Studies in Arts and Culture with a concentration in Arts Development and Program Management at the University of Denver. As a life long musician, Sara understands the importance of music education and is excited to help ISO reach as many young listeners as possible!


Tom Headshot

Tom Jensen

A seasoned conductor, musician, educator and voice talent, Thomas H. Jensen captivates audiences, young and old, with enthusiasm and flair. With his extensive background as a musician and educator, and his dedication to contributing to the community through the arts, Jensen was hired in 1986 by the Junior Symphony Guild to design and lead the Inside the Orchestra programs. Mr. Jensen earned his degree in Music and Conducting from Hamline University in Minnesota, and after his graduate work at Texas Christian University, founded and served as music director of the Youth Orchestras of San Antonio. Later, he served as music director of the Twin City Institute for Talented Youth, music director of the Colorado Ballet and the Joffrey Ballet, and guest conductor of the Denver Chamber Orchestra, Royal Winnipeg Ballet, and Nashville Ballet.


Steven Aguiló-Arbues

Argentinian-American Steven Aguiló-Arbues enjoys his roles as a conductor, vocal coach, répétiteur, and recitalist. Not only does he work with Inside the Orchestra as Conductor and Director of School Programs, but he also conducts the Boulder-based choir The Renaissance Project (specializing in Renaissance a cappella choral music). His love for opera has led him to work with companies like Central City Opera, Sarasota Opera, Opera Colorado, The Atlanta Opera, Crested Butte Music Festival, and the Miami Music Festival. He has also served on the faculties of the Manhattan School of Music, Centro Studi Lirica in Italy, Metropolitan State University of Denver, and Colorado State University in Fort Collins. He holds a Bachelor of Music degree from the University of Colorado (Boulder) and a Master of Music degree as well as Professional Studies Certificate from the Manhattan School of Music. Mr. Aguiló-Arbues is also fluent in Spanish and English, helping him to communicate with countless students while educating them in music.


Board of Directors

Interested in learning more about board membership? Email Shelby at shelby@insidetheorchestra.org.

Tony Pares


Antonio Parés

Antonio Parés is a Partner with the Donnell-Kay Foundation, where he’s focused on improving educational outcomes for Colorado’s youth in both rural and urban communities. Prior to Donnell-Kay, Antonio served as the Education Policy Director for the City and County of Denver, consulted with national nonprofits focused on educational equity, worked on political campaigns in Texas and Colorado, and supported school turnaround efforts in Denver. He got his start in education as a social studies teacher in south Texas with Teach For America. Antonio also serves on the Colorado Charter School Institute Board as a gubernatorial appointee. He is a Colorado native and a proud third generation alumnus of the University of Colorado Boulder. Outside of work, Antonio enjoys Denver’s many cultural venues, craft festivals, and incredible music. He currently lives in Denver, Colorado with his wife, Emily.

Vice President

Rob Rehburg

Rob Rehburg’s love of music began as soon as he could tap his baby feet. A Denver native, Rob started singing and dancing for audiences in featured roles in elementary school plays, his senior year Spring Musical – The Pirates of Penzance – in high school, and now with many professional theatre companies in the Denver metro area. Some of his favorite roles include Hero in A Funny Thing Happened On the Way To the Forum (Vintage Theatre), Action in West Side Story (Town Hall Arts Center), and Bobby in A Chorus Line (Ignite Theatre). Rob’s instrumental music career also began in elementary school when he experienced an Inside The Orchestra school assembly. Though he fell in love with the sound of the French Horn, it was not offered at the 5th Grade beginner level, so he opted for Trumpet. Rob stayed with the Trumpet through middle school and then discovered his love of marching band in high school. Growing in his passion for marching and leadership, he became the Drum Major and served in that role during his junior and senior marching seasons. At the University of Colorado Denver, he achieved a minor in Performance Music with an emphasis in Trumpet. Though he minored in music, Rob majored in Business Administration, which has ultimately lead him to his current position as the VP of Operations for one of the premier manufacturer’s representative firms for boilers and water heaters in the Colorado/Wyoming territory – IDC Associates. He has built his career in the industry for over a decade. He is excited to bring his harmonious mix of left-brain and right-brain interests and experiences to the Inside the Orchestra board.


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Cindy Bedard

Having grown up with two concert pianists in my family, I developed a love of music at an early age. With two young boys of my own, I discovered Inside the Orchestra through the Tiny Tots program and was moved from the first performance. I am committed to helping the organization succeed and expand so that others can learn and enjoy the value of the music and fine arts at any age. I believe music can be so accessible no matter what age or demographic a person is, and I am honored to be part of an organization that makes spreading the joy of music possible. In my day-to-day life, I am a mom of two young boys and a finance professional working part-time.


Jean Plotkin

The arts have played a huge role in my life, and I can personally attest to the positive impact a musical education can have on one’s academic, social, and professional success. I started playing the tuba in fifth grade, and the persistence, discipline, knowledge, and skills I learned in concert and marching band transcended all of my other subjects, helping me to excel across the board both in and out of school. After receiving my Bachelor of Arts degree in Environmental Studies from St. Lawrence University, I moved to Washington D.C. and joined an environmental consulting company where I specialized in communications and event planning for government agencies and non-profit organizations. In 2011, my husband and I moved to Denver (I’m originally from Pennsylvania, but he’s a Colorado native), and I left my job of nearly eight years to become a full-time mom to my two wonderful children. We love exploring our city and state and taking advantage of all the amazing experiences it has to offer—including Tiny Tots concerts! I am a firm believer in programs that expose children to music from an early age and that encourage them to make music a part of their lives. Inside the Orchestra is an extraordinary program that will help achieve these very goals, so I am delighted and honored to join its Board of Directors. I want all kids to have the same opportunity to fall in love with and benefit from music and the arts that I did.


Board Member

Steve Wine

My passion with music began in 5th grade on a school trip to the orchestra.  It led me on an amazing adventure.  As a trumpet player, I learned not only how to play an instrument, but also made lifelong friends, learned the importance of teamwork, and maybe how to think differently.  I was able to play with the Blue Knights Drum and Bugle Corp and went to the University of Colorado on a music scholarship.  This is my dream for any child who chooses to pursue music.  As a parent of two young children, I hope for early and frequent exposure to music of all kinds, including the live orchestra experience provided by Inside the Orchestra’s outreach programs.  I feel very fortunate to be involved with ISO and look forward to an exciting future.  My wife and I are both Colorado natives and it brings us great joy to see how this organization keeps music alive in the hearts of our children.

Board Member

Glen Cahill

I joined the Inside the Orchestra Board after a 30 year career in institutional asset management. I was looking for a high quality/high impact organization that improves the lives of those it serves. ISO is unique in its ability to inspire young children through music appreciation.  For many of the children we serve this is their first exposure to live classical music.  Multiple studies link music study to academic achievement and improved creative thinking. As the New York Times wrote, music can improve “collaboration, creativity, discipline and the capacity to reconcile conflicting ideas. All are qualities notably absent from public life. Music may not make you a genius, or rich, or even a better person. But it helps train you to think differently, to process different points of view – and most important, to take pleasure in listening.”  This is what I believe ISO does for the children we serve in the Denver metro area, and I am honored to be a part of the organization.


Board Member

Jeff Althaus


Originally from Iowa, I moved to Colorado in 2011. I instantly fell in love with the mountains, the people and everything about the state. Shortly after moving here, I opened up my own estate planning law firm. I have an enormous love for everything outdoors and have always felt the need to give back to the community in both my personal and professional lives. When I first joined Inside the Orchestra, I was simply looking for a place to volunteer. What I have received in return is more than I could have ever asked for. The children I get to directly help and the testimonials I receive from parents through this organization have changed my outlook on every aspect of my life. People often ask me, why children? My answer is simple and the same every time. Without children that are inspired to succeed, without children who have educational opportunities to become doctors, scientists and engineers, without children who grow up wanting to fight for a cause, none of these other great organizations would exist. It all starts with a child who is given the opportunity to succeed. That is what this organization has done for me – it has given me the will and the opportunity to succeed. I do my best to give that opportunity back to everyone I meet and work with on a daily basis.I owe a huge thank you to Inside the Orchestra and the children it serves.


Joel Bogen

Board Member

Joel Bogen

Joel Bogen has been an educator in one form or another for 30 years.  He has taught at every level of school from kindergarten through college.  For the last eight years, he has been a mediator for virtually every kind of dispute possible.  Consequently, he understands the value of empowering people of all ages to learn and grow, which is precisely what Inside the Orchestra does for its audience.  Joel and his wife Sue are blessed to have a son who has grown up playing violin, viola and clarinet through the arts education offered at his elementary, middle and high schools, and with various other music and arts organizations.  They have seen the benefits of music on their son’s life.  Joel understands that such arts education is not available in most schools, and looks forward to continue working with Inside the Orchestra to bring music to as many children as possible.


Kate Stobbe.

Board Member

Kate Stobbe

I am a recent transplant to the Denver area from Chicago, IL. In Chicago, I worked in corporate responsibility for several different companies with an emphasis on corporate philanthropy and sustainability. While my professional passion lies with helping companies become responsible members of the communities in which they operate, my personal passion lies with the arts. I started playing the cello in sixth grade and continued through college and beyond. My orchestral experience brought me on international tours to Canada and Austria and taught me the importance of listening to the subtleties when playing in a large orchestra (which I also use in my work life!). It is this passion and personal experience with music that spurred me to join the board of Inside the Orchestra. While I grew up listening to classical music, I didn’t see my first orchestra performance until middle school. With a young daughter of my own, I know how vital early arts exposure is for children. I am very excited to be part of an organization that brings such an interactive and interesting music experience to even the youngest of audience members.

Board Member

Kellyn Smith

Kellyn Smith has lived in the Denver community since 2003. She grew up in Colorado Springs and attended the Colorado Springs Conservatory. She currently serves as Senior Director of Development for the Robert & Judi Newman Center for the Performing Arts at the University of Denver. Prior to joining DU, Kellyn served on the development team at Denver Botanic Gardens building their corporate partnership program. She received her bachelor’s degree in vocal performance from The University of Colorado Boulder and master’s degree in Leadership and Organizations at the University of Denver. She has volunteered with the Dumb Friends League and as a member of the CSO Chorus with the Colorado Symphony. She lives with her husband, two children and their labradoodle in the DU neighborhood. Kellyn enjoys classical and jazz music, yoga, camping and gardening.