92 ARL University Medical Libraries Table 54: Number and Average Years of Experience of Professional Staff in ARL University Medical Libraries by Position and Sex, FY 2015–2016 Women Men Total Position Years No. Years No. Years No. Head, Medical 28.6 52 27.1 14 28.3 66 Associate Director 21.2 32 26.0 6 22.0 38 Assistant Director 19.9 20 14.0 4 18.9 24 Head, Branch 17.8 18 17.8 5 17.8 23 Administrative Specialist 22.0 24 11.5 6 19.9 30 Digital Specialist 11.4 25 17.2 39 15.0 64 Functional Specialist 15.8 28 21.3 13 17.5 41 Subject Specialist 14.1 144 12.8 31 13.8 175 Dept. Head, Acquisitions 23.1 19 19.3 4 22.4 23 Dept. Head, Research/Reference/ Information or Learning Commons 25.8 16 22.0 3 25.2 19 Dept. Head, Cataloging 17.9 9 27.5 2 19.6 11 Dept. Head, Circulation 20.6 12 15.9 7 18.8 19 Dept. Head, Rare Books/ Manuscripts/Special Collections 29.8 4 22.5 4 26.1 8 Dept. Head, Library Technology 21.4 5 22.4 7 22.0 12 Dept. Head, Other 22.5 33 20.7 9 22.1 42 Public Services 14.2 35 20.6 5 15.0 40 Technical Services 18.1 14 ..18.1 14 Research/Reference/Instruction 14.6 128 16.5 36 15.0 164 Cataloger/Metadata Analysts 17.2 13 23.5 2 18.1 15 All Positions: 17.8 631 18.2 197 17.9 828 .No positions reported in this category.