| Date | Description |
|---|---|
| 2016-12-04 | delete person Dan Riley |
| 2015-04-21 | update person_title Jerry Schoppe: Senior Counsel => Vice President and Special Counsel to the President |
| 2013-08-21 | delete vp David Agee |
| 2013-08-21 | insert vp Scott Helzer |
| 2013-08-21 | delete person David Agee |
| 2013-08-21 | insert person Scott Helzer |