Ersi was born in Majalengka. She studied in SMA N 1 Jatiwangi. She is the oldest children of three. Her sisters is 9 years old and 5 years old. His father’s work is a butcher with income IDR 1.500.000 per month, her mother is a housewife. In high school, she joined Sains Olimpiade. She also got top 10 in her school. After finished high school, she was looking for scholarship because she doesnot want to bother her parent to pay more her school. She knew about Bali WISE from internet. She saw that Bali WISE program only take 6 months, and mostly the program is focus on hospitality, so she wants to try. She sent her application, and got few test. Finally, she got acceptance letter from Bali WISE recruitment team, she joined Bali WISE in October 2017.