| Title | Name | Phone # |
| President | Jill Roberts | |
| Vice President | Sue Timlin | (414) 460-4886 |
| Observatory Director | Paul Borchardt | (262) 202-8029 |
| Asst. Observatory Director | Russ Blankenburg | (262) 938-0752 |
| Asst. Observatory Director | Lee Keith | (262) 875-9103 |
| Treasurer | Sue Timlin | (414) 460-4886 |
| Secretary | Matthew Ryno |
| Title | Name | Phone # | Term | Expires |
| Director | Lee Keith | (262) 875-9103 | 1st | 2024 |
| Director | Jim Bakic | 2nd | 2024 | |
| Director | Jim Schroeter | 2nd | 2024 | |
| Director | Sue Timlin | 1st | 2025 | |
| Director | Jason Doyle | 2nd | 2023 | |
| Director | Jill Roberts | 1st | 2023 | |
| Director | Dennis Roscoe | 1st | 2023 | |
| Director | Matthew Ryno | 1st | 2025 | |
| Director | Mike Bauer | 1st | 2023 | |
| Director | Mike Wagner | 2nd | 2025 | |
| Director | William Gottemoller | 1st | 2025 |
| Title | Name | Contact Info |
| Observatory Chair | -- vacant -- * | |
| Membership Chair | Matthew Ryno | (414) 248-1455 |
| Program Chair | -- vacant -- * | |
| Webmaster | Gene Hanson | |
| Focal Point Editor | Matthew Ryno | (414) 248-1455 |
| Open House Chair | Sue Timlin | (414) 460-4886 |
| Observatory Groundskeeper | Brian Ganiere | |
| Publicity & Outreach | -- vacant -- * |
*Members interested in filling any open position should contact the current MAS President.