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Who We Are


  • DANIEL MAHAN - Executive Director
    DANIEL MAHAN - Executive Director

    Daniel signed on at Advent in July 2002 as Resource Development Associate. After graduating with a BS in Business Administration (with a concentration in Finance) from San Jose State University, he was promoted to Director of Resource Development, where he served for the next three years. In 2007, he took on the role of Chief Administrative Officer. Daniel become Advent’s Executive Director in August 2014.
    Daniel enjoys sports, darts, cards, music, movies, politics, and financial markets.
    “Only a life lived for others is a life worthwhile.” – Albert Einstein

  • DR. CHRISTIAN O'NEIL, MD - Medical Director
    DR. CHRISTIAN O'NEIL, MD - Medical Director

    Dr. O’Neil joined the Advent Group Ministries team July 2018. He oversees the quality of medical care provided in the Residential Recovery Program, The Nest, and StepUp! Outpatient Program. He is well versed in Substance Use/Abuse as well as Mental Health challenges that face our youth in treatment.

  • BRUCE PICKETT - Director of Counseling Services
    BRUCE PICKETT - Director of Counseling Services

    Bruce Pickett, Director of Counseling Services, is a Licensed Clinical Social Worker and has worked at Advent since 1989. He has held positions in residential, outpatient, and counseling services as a clinician and supervisor. He grew up in San Jose and attended San Jose State University for his Child Development and Social Work degrees. Bruce is thrilled when working with a client who is discovering and growing as well as supervising new therapists to be the best they can be.

  • SAGA Foundation
    SAGA Foundation