A keen diver from childhood, she studied environmental engineering at Bandung Institute of Technology, graduating in 2017.
[6][7] Lestari related that diving to collect waste can be dangerous because of the high currents, but that the rapid increase in tourism since 2007 has led to far more trash being dumped into the formerly pristine seas around Indonesia's many islands.
[1] In 2017 Lestari founded the Indonesian Youth Marine Debris Summit (IYMDS).
[8][9][10] The same year, she represented Indonesia and spoke at the 2017 United Nations Climate Change Conference in Bonn, Germany.
[12][13] Later that year, she was invited to attend Barack and Michelle Obama's 'Obama Foundation Leaders Forum', which was held in Kuala Lumpur, Malaysia, in December.