About Us

William H. Sadlier, Inc. has been a family-owned and managed publisher of school materials since 1832. Its Sadlier-Oxford division is committed to serving the needs of today's PreK-12 public, private, and Catholic schools with high-quality, research-based programs in mathematics, reading, and language arts.

(l to r) William Sadlier Dinger, President; William S. Dinger, Jr., International Division Manager; Angela Dinger, General Counsel; Frank Sadlier Dinger, Chairman; Melissa Dinger Gibbons, Director, Program Research and Development

Photo: Jim Saylor 2004