A high school teacher and civil servant until 1995, when he joined the University of the South Pacific (USP) as lecturer in biology. Since 1998, he has been Curator of the South Pacific Regional Herbarium based at the USP.
He is involved with many government and non government, regional and international groups that are involved with environmental and biodiversity conservation and management, and has developed and implemented programs that promote research, taxonomy and conservation management of Fiji’s biodiversity.
An internationally-acknowledged expert on Fiji’s plants and vegetation, he has published or co authored several papers in major journals, and many technical reports related to Fiji’s environment and biodiversity.
Marika loves Fiji’s natural environment and endeavours to share this with others.