In 2019, Berro became the first female regional head for any major pharmaceutical company in the Middle East. She joined Roche in 2003 and became country manager for Lebanon in 2015. Between 2016 and 2017, she was the interim country manager for Jordan and Palestine. In 2022, she oversaw Roche’s partnership with Microsoft, and Roche signed an agreement with King Faisal Specialist Hospital and Research Center in Riyadh.