- Webmaster (15 years: 2006 - 2021)
- Treasurer (3 years)
- Observatory Director (2016)
- Event Coordinator (2006)
- Membership Database
- Facebook and Email List Admin
- Store Admin
- Bylaws Committee
- Heyn Astronomical Notebook Committee
Chas Rimpo joined HAL in late 2005 and quickly assumed the Webmaster (*) role early in 2006 -- which he held for an amazing 15 years until February 2021.
In 2013, then-president Chris Todd leveraged PHP/MySQL code from NOVAC to simplify the Treasurer's labor-intensive membership management tasks via a database.
Chas converted all web pages to use PHP to enable additional scripting functionality as well as to provide common site-wide navigation and appearance.
During his 3 years as Treasurer, Chas created numerous scripts,
cron jobs and other processes to provide a front-end to the database and payments, as well as automating many membership notifications.
He initiated Bylaws updates in 2015, 2018, and 2020 to clarify responsibilities, as well as to align with current club practices and 501(C)(3) compliance.
In 2015, Chas helped set up the original Watson scope including installing and interfacing the scope with a laptop
as well as specifying the type of connectivity and communication cables to use. Chas made the necessary changes when HAL switched to the
Chas created PHP code to catalog, display, and print the contents of the HALO Library, as well as for checking books out/in and automating
overdue notices. He has served as Facebook admin, public and impromptu email list admin and HAL Store admin. Most recently, he edited and
formatted the Herman Heyn Sidewalk Astronomy notes that Cheryl Kerr had scanned.
(*) The original Webmaster was ZoAnn Lapinsky-Macon, one of HAL's 5 founders.