In her career, Gerber has held executive roles at several major chemicals players including Venator, HB Fuller and Evonik. From 2019 she was chief operating officer leading the Speciality Ingredients division at Lonza in Switzerland. After the division was sold and renamed Arxada in 2021, Gerber then served as its president of Speciality Product Solutions from 2021 to 2023. Since 2022, she has also been serving as a supervisory board member at German specialty chemicals company Altana.