Sister Roberta Tremarelli was born in Rome on 10 August 1969.
She graduated in Economics and Commerce in Rome and after a work experience she entered the Institute of the Missionary Servants of the Blessed Sacrament.
She attended and obtained a Licentiate in Religious Sciences with a specialty in missionary catechesis at the Pontifical Urbaniana University in Rome.
She taught religion in primary school and in a Professional Institute.
She has worked in missionary animation and formation with children, young people and families in some areas of Italy and for various activities of her religious institute.
On 1 October 2017, feast of St. Teresa of the Child Jesus, patroness of the Missions, she begins her mandate as Secretary General of the Society of the Holy Childhood in Rome.