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Meet The Team

Whether providing seasonal tuning, needed repairs, or concert preparation, the team at Red River possess the expertise to ensure the king of instruments sounds its finest.

Owner/Tuner/Technician

John Riester, C.A.I.O.

John Riester grew up in Indianapolis, where his passion for all things pipe organ started.  Prior to moving to Oklahoma, John worked at the Midwest firms of Goulding and Wood, Martin Ott and the Berghaus Organ Company. Most recently, Mr. Riester was shop director at the University of Oklahoma American Organ Institute, where he worked for twelve years.  John Riester has a degree in organ performance and organ technologies from Indiana University.  He plays the piano and organ for the First Christian Church (Disciples of Christ) in Norman.  

Voicer/Tuner/Technician

Carolyn Sargent

Carolyn grew up in Troy, OH, and got her musical start on the piano and viola. She holds a Bachelor of Science degree in music, biology, and chemistry from the University of North Texas, and a Master of Music in organ performance from Oklahoma City University. She also works as principal organist and pianist at Mayflower Congregational United Church of Christ in Oklahoma City. Carolyn began working for Red River in 2020 and serves as project manager, service technician, and voicer.

Tuner/Technician

Dylan Madoux

Oklahoma native, Dylan Madoux holds a bachelor’s degree in vocal music education and master’s degrees in harpsichord performance and orchestral conducting. Dylan serves as artistic director of the Oklahoma Baroque Orchestra and music director of First Christian Church–Midwest City. As an historical keyboards specialist, Dylan has diverse experience in restoring, servicing, and maintaining harpsichords, clavichords, historical pianos and organs. Dylan began working at Red River Pipe Organ Co. in 2022 and serves as project lead, service technician, and tuner.

Tuner/Technician

Nathaniel Wilkins

Nathaniel is a life-long musician, playing trumpet. He recently graduated from OU with a Bachelor of Science in environmental sustainability. Nathaniel started working at Red River in 2024 and is particularly interested in woodworking and service calls.

Tuner/Technician

Brad Newcowb

Brad is an organist and church musician from Ponca City, OK. He received his bachelors degree in musc business at Oklahoma State University, where he studied organ with Dr. Gerald Frank. Currently he is Organist and Director of Music at St. Mary’s Catholic Church in Ponca City, OK. Brad recently began working with Red River, and is interested in tuning, service calls, and helping every organ sound its absolute best.

PART-TIME STAFF
  • Mark Beckwith, northeast Oklahoma support
  • Nathan Rau, tuner/technician
  • Josh Riester, tuner/technician
  • Tyler Stone, tuner/technician
  • Bryson Foster, tuner/technician
  • David Lawrie, tuner/technician/office support
  • Sara Riester, office support