| TIER Working Group | Chair/Contact | Chartered by | Status |
|---|
| TIER Data Structures and APIs Working Group | Keith Hazelton, University of Wisconsin-Madison | TIER Ad Hoc Advisory | Active |
| TIER Packaging Working Group | Jim Jokl, University of Virginia | TIER Ad Hoc Advisory | Active |
TIER Security and Audit Working Group | Helen Patton, The Ohio State University | TIER Ad Hoc Advisory | Active. Wiki has restricted access. |
TIER Entity Registry Working Group | Warren Curry, University of Florida and Benn Oshrin, Spherical Cow Group | TIER Ad Hoc Advisory | Active |
| Grouper Deployment Guide Working Group | Bill Thompson, Lafayette College | (this groupTIER Ad Hoc Advisory
(the Deployment Guide Working Group
met as part of the TIER Data Structures and APIs Working Group) | Bill Thompson, Lafayette College | TIER Ad Hoc Advisory
| Complete
see TIER Grouper Deployment Guide |