Those who empower others by sharing their gifts, works, and creativity are ideally positioned to serve as catalysts for positive change in the world around us.

A profile picture of Julie Siebel.

Julia M. Siebel, Ph.D. (“Julie”) has dedicated her career to helping institutions achieve their potential through effective organizational management and excellence in volunteer engagement, and by focusing on philanthropy, culture change, and project management. She brings to her clients 30 years of experience in thought leadership, strategic planning and analysis, fundraising campaigns, constituent engagement, operations management, institutional advancement, data mining, and communications. Throughout her career, she has consistently launched, or enhanced, programs designed to build engagement, receive substantial philanthropic support, and achieve excellence.

Since joining CCS in 2014, Julie has partnered with nonprofit institutions across the breadth of the sector. In addition to providing interim management services, strategic planning coaching, and capacity building guidance, she has led her clients through the development and implementation of large-scale campaigns that have raised between $6 million and $120 million. Internally, Julie supports her fellow team members as a mentor and trainer and served as the founding facilitator for the Southern California team’s JEDI Work Group (Justice, Equity, Diversity, and Inclusion). She was a founding member of the Aspiring Allies Employee Resource Group and sits on the corporate Elevate Collective Employee Resource Group and the Social and Human Services Cabinet.

Julie holds her PhD in History and Gender Studies from the University of Southern California with a research focus on the powerful impact of women’s voluntary activism across the nonprofit sector. She is an active civic leader who serves with local, national and international organizations including the Association of Junior Leagues, International; The National Women’s Hall of Fame; the Pomona College Alumni Association; the Balboa Island Museum and Historical Society; and Ronald McDonald Houses in the southern California region. You can find Julie sharing her unique perspective and expertise at industry conferences, on webinars, and on social media platforms including LinkedIn and Twitter.

select client partners


Social & Human Services

  • Academy of Our Lady of Peace, San Diego, CA
  • Age of Learning, Glendale, CA
  • California State Universities, Bakersfield, Humboldt and Stanislaus
  • Chandler School, Pasadena, CA
  • Crean Lutheran High School, Irvine, CA
  • Damien High School, La Verne, CA
  • University of Redlands, CA
  • Easterseals Southern California, Irvine, CA
  • Global Genes, Aliso Viejo, CA
  • J.F. Shea Center for Therapeutic Riding, San Juan Capistrano, CA
  • My Friend’s Place, Hollywood, CA
  • Ronald McDonald Houses in Orange County, Long Beach, and West LA, CA
  • The Salvation Army Orange County, Tustin, CA

Arts & Culture

Other Sectors

  • Balboa Island Museum and Historical Society, Balboa Island, CA
  • Holocaust Museum LA, Los Angeles, CA
  • Wallis Annenberg Center for the Performing Arts, Beverly Hills, CA
  • Junior League of Los Angeles, Los Angeles CA
  • Providence Little Company of Mary Foundation, Torrance, CA
  • Radiant Health Centers, Irvine, CA
  • St. Michael’s Abbey, Silverado, CA

recent resources

Southern California

100 Spectrum Center Drive
Suite 1210
Irvine, CA 92618

(949) 954-5252


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