62 US ARL University Libraries Table 34: Number and Average Years of Experience of Professional Staff in US ARL University Libraries by Position and Sex, FY 2015–2016 Women Men Total Position Years No. Years No. Years No. Director 32.4 52 32.9 43 32.6 95 Associate Director 26.6 162 24.1 118 25.5 280 Assistant Director 23.9 72 24.2 46 24.0 118 Head, Branch 21.9 215 23.1 102 22.3 317 Administrative Specialist 17.7 323 16.1 132 17.3 455 Digital Specialist 13.5 470 13.2 706 13.3 1,176 Functional Specialist 13.6 669 15.6 411 14.4 1,080 Subject Specialist 16.7 914 18.4 494 17.3 1,408 Dept. Head, Acquisitions 21.0 61 16.9 28 19.7 89 Dept. Head, Research/Reference/ Information or Learning Commons 20.4 86 18.6 27 20.0 113 Dept. Head, Cataloging 22.5 90 20.0 40 21.7 130 Dept. Head, Circulation 21.5 55 16.8 39 19.6 94 Dept. Head, Rare Books/ Manuscripts/Special Collections 20.8 48 24.0 46 22.4 94 Dept. Head, Library Technology 21.5 29 18.1 64 19.2 93 Dept. Head, Other 20.0 332 19.2 199 19.7 531 Public Services 15.3 121 14.5 59 15.0 180 Technical Services 17.6 77 13.4 27 16.5 104 Research/Reference/Instruction 14.6 516 16.7 184 15.1 700 Cataloger/Metadata Analysts 18.9 387 18.8 179 18.8 566 All Positions: 17.4 4,679 17.3 2,944 17.4 7,623 Excludes Canadian libraries. See Table 44 for salaries of Canadian librarians expressed in Canadian dollars. Excludes medical and law libraries. See Tables 54 and 64 for comparable figures for medical and law libraries.