A total of 39 firms that offer Outsourced Chief Investment Officer (OCIO) services volunteered information this year. For the purposes of this guide, “full discretion” is defined as the OCIO firm having the authority to hire and fire managers without prior client approval. Total full discretionary assets under management represented by these 39 firms is $1.4 trillion among 7,894 clients. Median discretionary assets are $10.8 billion. An Excel data file, containing more information on each provider, is available by contacting firstname.lastname@example.org.