Henderson-Rubio has been a major benefactor to the Bearcats and Willamette since graduating from Willamette in 1974. He received the Distinguished Alumni Citation from Willamette in 2019 and is a lifetime member of the Willamette University Board of Trustees.  He has been particularly helpful when it comes to athletic teams traveling to the Los Angeles area, where he attended high school before coming to Willamette. In addition to supporting Willamette Athletics, Henderson-Rubio has been a generous donor to Willamette Integrated Technology Systems (WITS), Willamette academic scholarships, and the Hallie Ford Museum of Art.