The IESG is composed of the IETF Area Directors.
The IESG can be reached at iesg@ietf.org. A list of past IESG members and past IETF chairs is available here.
The AD can be reached at: gen-ads@ietf.org
The ADs can be reached at: art-ads@ietf.org
The ADs can be reached at: int-ads@ietf.org
The ADs can be reached at: ops-ads@ietf.org
The ADs can be reached at: rtg-ads@ietf.org
The ADs can be reached at: sec-ads@ietf.org
The ADs can be reached at: tsv-ads@ietf.org
Note: As usual in the IETF, the members of the IESG serve as individuals. Their affiliations are given for information only.