Tim Stone has been with Cornerstone since 1999, but he has been involved much longer since he is the youngest son of Dr. Stone. He has essentially grown up with Cornerstone. He helped initially with cleaning the pools and helping with maintenance around the houses. He now runs and cares for over 20 Recovery Homes which must be in compliance with the California Department of Alcohol and Drug program regulations at all times. Tim graduated from the University of California, Irvine with a B.A. in English.

James has been with Cornerstone since 1998. He started on the graveyard shift and soon began working in the office. When the clients started to ask for him as their counselor James was given an opportunity to be a case manager. He has worked in all areas of Cornerstone, Outpatient and Alternative Sentencing. He has been Outpatient Manager, and about 2 years ago learned that Cornerstone had bigger things in store for him. He now runs the day to day (and night) operations of all Cornerstone facilities. James started work in the field in 1993, as a resident manager and program coordinator for a program treating veterans in San Bernardino California. James served in the US Marine Corps. He relaxes by running distances of 8-20 miles every morning. He gets up at 4:00 AM and starts his workout routine before most people open their eyes on the new day. He ran in the Boston Marathon in 2007, 2008, 2010 & 2012. He loves fishing and camping. He is married to Sandy Neumann, has 4 grown children and 3 grandchildren that he adores.