Mrs. Wilder was director of the Lovett Middle School Band, Woodward Academy Band and Recorder programs, and taught at Tapp Middle School for 11 years. While serving as middle school director, she assisted with both lower and upper school band programs in each school system. She is a contributing editor for Do It! Play Recorder and Do It! Play Clarinet, published by GIA Publications. She is also a contributing author for Teaching Music through Performance in Beginning Band (GIA).
Marguerite Wilder is a graduate of the University of Georgia and Georgia State University. Professional affiliations include MENC, GMEA, NBA, and Phi Beta Mu.