About Us

AirTurn Logo transparent-200AirTurn, Inc. creates and markets technologies to enhance the study, practice and performance of music. AirTurn was formed in 2008. AirTurn, Inc. is based in Boulder, Colorado.

Our logo represents the letters "A" and "T" in the form of two folding pages. The green color represents environmental awareness. The blue color represents the energy of technology.
AirTurn, Inc.
PO Box 3359
Nederland, CO 80466
Phone: 720-381-1706
Fax: 720-863-0988 Email: | |
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The AirTurn Team

Hugh Sung, VP of Marketing

Hugh Sung, Marketing
Classical pianist Hugh Sung has been dreaming about finding cool ways to integrate his love of music and technology ever since his childhood days glued to TV episodes of Star Trek, The Six Million Dollar Man, and countless viewings of all the original Star Wars movies. Hugh's musical career has seen him perform all over the world, including recitals at Carnegie's Weill Hall and Issac Stern Auditorium, the National Gallery of Art, and most recently at Wallenstein Castle in Prague, Czech Republic. As a collaborative pianist, he has worked with the likes of violinists Hilary Hahn, Leila Josefowicz, and Aaron Rosand; flutists Julius Baker, Jeffrey Khaner, and Gary Schocker; composers Jennifer Higdon, Richard Danielpour, and Daron Hagen, among many others. His recordings for the Biddulph, Avie, Vox, Azica, I Virtuosi, and CRI labels can be found on iTunes, Amazon MP3, and other major online distributors.
When Microsoft came out with its first Tablet PC's in 2002, Hugh realized that this was the device that could solve all of his vexing problems with paper music scores. He became an early adopter of digital music scores and now works completely paper-free in all his rehearsals, lessons, performances and recording sessions.
Before co-founding AirTurn with Lester, Hugh was a collaborative piano faculty member at the Curtis Institute of Music, having previously served as its Director of Student Recitals and Instrumental Accompaniment.

Lester Karplus, Director

Lester Karplus

Lester Karplus has been developing products and creating companies around those products in multiple industries for over 40 years. AirTurn was developed in part with his own frustration with turning pages of sheet music and the need to be able to keep his hands on his clarinet/keyboard.

Virginia "Ginny" Sudela, VP of Sales

GinnySudela2013-150Ginny is excited to be returning to the technology arena and brings with her a wealth of successful sales experience bringing new products to market. Her background is rich in both software, hardware and VAR/OEM sales with companies like; Dun & Bradstreet, Crowntech of Canada, and Sybase, Inc. A sample of Ginny’s client list includes Motorola, Hewlett Packard, Compaq, and Toshiba.


In her time away from technology sales, Ginny has been raising children, teaching yoga, and volunteering in not-for-profit organizations in a fund raising and managerial capacity.


Ginny describes herself as being, adaptive, charismatic, creative and very funny. “This is the most compelling technology that I have seen since the release of the iPad,” says Ginny. “I knew that I had to be a part of AirTurn’s mission of enhancing the wireless human interface.”

Karna Knapp, Director of Customer Relations

Karna KnappKarna Knapp has spent most of her career as an administrator for non-profits. She brings her skills in administration to direct AirTurn’s customer service. She has been wearing many hats in getting products to customers and resolving customer issues since AirTurn began in 2008.  Karna is a modern/jazz/ballet dancer and continues to take classes and perform. She also plays electric bass with the Nokuthula marimba band, using her iPad and AirTurn to manage her charts and lyrics.

Matt Davis, Logistics

Matt DavisMatt Davis manages AirTurn's product movement from manufacturer to customer. He brings with him many years of experience in percussion education, and his added MBA training from the College of Business and Economics at the University of Southern Mississippi helps ensure a seamless product flow throughout the supply chain. Matt believes that AirTurn provides a key innovative technology to the revolutionary movement of digital sheet music. "This product will change the face of music education and performance among most genres and demographics worldwide."