Rubuta ci gaba ga wannan sakin layi - A 1977, Leo-Rhynie ya zama mai koyarwa a ilimin halayyar ilimi a Makarantar Ilimi ta UWI. A shekarar 1987, an nada ta a matsayin darakta mai zartarwa na Cibiyar Gudanarwa da Samarwa. Ta zama mai kula da yanki na Cibiyar Nazarin Jima'i da Ci Gaban a shekarar 1992, kuma a wannan matsayin ta kasance co-marubucin rahoton Jamaica ga Taron Duniya na Hudu kan Mata
a shekarar 1995. An nada Leo-Rhynie mataimakin shugaban makarantar Mona a 1996 kuma shugaban a 2006 - mace ta farko da ta rike ko wane mukami. Ta zama mataimakiyar mataimakin shugaban jami'a da shugaban karatun digiri a shekara ta 2002, kuma ta yi ritaya a shekara ta 2007 a matsayin farfesa emerita.