In 2012, Foster co-founded the Sea Change Project, a nonprofit group to protect marine life and raise awareness of the importance of the kelp forest in South Africa.[1][2]
Foster was the subject, producer,[2] and photographer of a 2020 Netflix Original film called My Octopus Teacher, directed by Pippa Ehrlich and James Reed.[5][6] The movie is about his experience diving in the kelp forests at a remote location in False Bay, near Cape Town, in the Western Cape of South Africa.[7] During that time, he found a common octopus who began to trust him, and he revisited and filmed her every day for that year.[8] Foster started filming in 2010 and the project was ten years in the making. It was the first Netflix Original South African nature documentary.[1]
Underwater footage not shown in the movie but filmed by the same team, at the same location, and about the same subject, had been shown previously on Blue Planet II, episode 5.[4][9]
Recognition
During the course of his underwater tracking, Foster discovered eight new species of shrimp. One of them, Heteromysis fosteri, was named after him.[4][10]
Personal life
Foster is married to Indian documentary filmmaker and environmental journalist Swati Thiyagarajan. He has a son, Tom, by his former wife.[11][12]
Publications
In 2021, Foster co-authored the book Underwater Wild with Ross Frylinck.[13][4]
In 2024, he published Amphibious Soul: Finding the Wild in a Tame World.[14]