Yeo has been extensively involved in teaching. In addition to his major positions at New England Conservatory of Music, Arizona State University, Wheaton College, and University of Illinois Urbana-Champaign, he has eight times been on the faculty of the annual Hamamatsu International Wind Instrument Academy and Festival (
Hamamatsu, Japan), and has been guest artist and teacher at the International Trombone and Tuba Festival (Beijing, China), the Dutch Bass Trombone Open (
Amsterdam, The Netherlands), and the Nagoya Trombone Festival (
Nagoya, Japan). A prolific writer, Yeo has written more than forty articles on the trombone and orchestral playing for various publications, including
International Musician,
The Instrumentalist,
The Brass Herald,
Christianity Today, the
Historic Brass Society Journal, the
International Trombone Association Journal, and the
T.U.B.A. Journal. He did extensive research in the Boston Symphony archives, resulting in the publication of four photo/historical articles on BSO brass players from 1881 to the present; he mounted an exhibit at
Symphony Hall on the history and hobbies of members of the Boston Symphony from 1881 to the present during the 1993–94 season. In 2000, he wrote a trombone teaching curriculum for the
University of Reading's (United Kingdom) Music Teaching in Private Practice Initiative of their Department of Arts and Humanities in Education. He is the co-author, along with Edward Kleinhammer, of
Mastering the Trombone (Ensemble Publications. 1997), and is author of
The One Hundred: Essential Works for the Symphonic Bass Trombonist (Encore Music Publishers, 2017/2024), and
Serpents, Bass Horns and Ophicleides in the Bate Collection (
Oxford University Press, 2019). In 2021, he published two books,
Homer Rodeheaver and the Rise of the Gospel Music Industry (University of Illinois Press), co-authored with Kevin Mungons, and
An Illustrated Dictionary for the Modern Trombone, Tuba, and Euphonium Player (
Rowman & Littlefield). Yeo was the plaintiff in a 1994 court case,
Yeo vs. Lexington, that tested important issues in scholastic media law. In 1997 Yeo won on appeal to the First Circuit Court of Appeals but subsequently lost at the First Circuit Court of Appeals (en banc) and carried the case to the
US Supreme Court which declined to hear it. == References ==