Back to Article List From the October 2009 issue Astro Confidential: Learn how this astronomer first became interested in the field. Juna Kollmeier is an astronomer with the Observatories of the Carnegie Institution in Pasadena, California. By Karri Ferron | Published: October 26, 2009 | Last updated on May 18, 2023 Juna Kollmeier. James Buckwalter Learn more about Juna Kollmeier.