Wright is a professor in the Department of Mathematics
at Washington Universiity in St. Louis, where he currently
serves as Department Chair. He received his Ph.D. in Mathematics
from Columbia University, New York City. A leading researcher
in the fields of affine algebraic geometry and polynomial
automorphisms, he has produced landmark publications in
these areas and has been an invited speaker at numerous
international mathematics conferences. He designed and
teaches a university course in Mathematics and Music.
a musician, David is an arranger and composer, where his work often integrates the close
harmony style with jazz, blues, gospel, country, doo-wop,
and contemporary a cappella. He has been on the leadership
team of the St. Charles Ambassadors of Harmony since 1981,
serving as director from 1981 to 1990, and again from
1999 to 2001. He also serves as a musical consultant and
arranger for numerous other vocal ensembles, including
the eleven-time International Champion Dallas Vocal Majority.
In the Barbershop Harmony Society's judging system he
helped design the Music Category and served as its first
Category Specialist. As arranger and historian David has
been featured in national radio and TV broadcasts at home
and abroad, and has authored several articles on barbershop
harmony and its role in the world of vocal harmony.
wife, Sandi, a double gold medalist in Sweet Adelines,
sang baritone in the renowned championship quartet Ambiance,
for whom David was arranger and advisor. Sandi directs
the St. Louis Harmony Chorus.