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
