Greg P. Santilli

Greg P. Santilli, CPA, CIA was appointed Chief Financial Officer in February 2021 and is responsible for all finances of Hillsides and its affiliate Bienvenidos. Prior to this role, Greg was the Director of Accounting and Financial Reporting for the Archdiocese of Los Angeles, and before that, he was the Chief Financial Officer for New Horizons: Serving Individuals with Special Needs.

Greg brings to Hillsides extensive for-profit and nonprofit experience across multiple industries. This experience includes financial reporting and analysis, financial planning, budgeting and forecasting, internal auditing, treasury management, and staff member participation on nonprofit finance, development, strategic planning, facilities, and risk management committees.

After losing his only sibling brother to suicide in 2005, Greg became a staunch mental health advocate. He is an Advisory Board Member for Didi Hirsch Mental Health Services’ Survivor After Suicide (SAS) Program, is a trained co-facilitator for the SAS program, and attends monthly SAS drop-in meetings to provide newer survivors of suicide loss with a sense of hope and purpose. Greg’s mental health and suicide prevention commitment include congressional advocacy efforts in Washington D.C. while he was a board member of the Los Angeles Chapter of the American Foundation for Suicide Prevention.

Greg has a strong commitment to community service which includes being a former member of the Los Angeles Catholic Archdiocesan Finance Council; former Finance Council Chair at Saint Kateri Tekakwitha Catholic Church in Santa Clarita for eight years where he led a capital campaign that resulted in the construction of the second-largest Catholic church in the Los Angeles Archdiocese; and former Treasurer and Board Member of the Santa Clarita Valley Food Pantry for four years.

Greg holds a Bachelor of Science degree in Business Administration, Option in Accounting from California State University, Northridge, and is a licensed Certified Public Accountant in California. He also holds a Certified Internal Auditor designation. In 2017 he was recognized with the CFO of the Year designation by the San Fernando Valley Business Journal.