Under his tenure, Cal Lutheran finalized a $70-million expansion plan and built a library, chapel, science center, and residence hall.
Controversies during his tenure included the handling of Coach Bob Shoup, who was fired in 1989 although claiming to have been promised a lifetime contract.
Another controversy was the California Department of Fair Employment and Housing’s investigation of claims of age discrimination by Coach Don Green.
As chief executive, Miller had to immediately deal with the investigation by the Los Angeles District Attorney's Office into alleged credit fraud by public school teachers enrolled in CLC’s continuing education program.
During Miller’s first academic year, the dedication of Peters Hall took place on October 23, 1981, providing the school with new classrooms and faculty offices.