With some exceptions and as defined by the Standing Order of the Regents 105.1, Senate membership is granted to individuals who have a ladder-rank or other selected academic appointment at the University. Defined here.

The definition is given further: 
“… each person giving instruction in any curriculum under the control of the Academic Senate whose academic title is Instructor, Instructor in Residence; Assistant Professor, Assistant Professor in Residence, Assistant Professor of Clinical (e.g., Medicine); Associate Professor, Associate Professor in Residence, Associate Professor of Clinical (e.g., Medicine), Acting Associate Professor; Professor, Professor in Residence, Professor of Clinical (e.g., Medicine), or Acting Professor; Lecturer with Potential for Security of Employment, Lecturer with Security of Employment, Acting Lecturer with Security of Employment, Senior Lecturer with Security of Employment, or Acting Senior Lecturer with Security of Employment; however, Instructors and Instructors in Residence of less than two years’ service shall not be entitled to vote. Members of the faculties of professional schools offering courses at the graduate level only shall be members also of the Academic Senate, but, in the discretion of the Academic Senate, may be excluded from participation in activities of the Senate that relate to curricula of other schools and colleges of the University. Membership in the Senate shall not lapse because of leave of absence or by virtue of transference to emeritus status.”