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| 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 |
| Helen Patton, The Ohio State University | TIER Ad Hoc Advisory | Active. Wiki has restricted access. Charter available here. | |
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 | TIER Ad Hoc Advisory (the Deployment Guide Working Group reports to Grouper meets as part of the TIER Data Structures and APIs Working Group) | Active |
| TIER Community Investor Council | Chair |
|---|---|
| Klara Jelinkova, Rice University |
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