Per Lance's blog:

Former Reds GM to Xavier
The Xavier University Department of Sport Studies is announcing that
Dan O'Brien will join the department as an adjunct faculty member
beginning with the fall 2007 semester. Dan O'Brien is the former
general manager of the Cincinnati Reds and still resides in the
Cincinnati area. He currently serves as a special assistant to the
general manager of the Milwaukee Brewers and is the director of
baseball operations for the franchise.
Mr. O'Brien will teach a seminar course in sport administration and management with a special focus on professional sport operations. The course will be offered as an elective to both graduate sport administration students and to undergraduate sport management majors with senior standing. Undergraduate students will need permission from
the chair to enroll in the course. The class will be held one day a
week in the fall on Monday beginning at 6:30 p.m.