Tobin previously served as secretary of the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life from August 2, 2010.

He is the prefect emeritus of the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life, having served as prefect from 2004 to 2011.

He will be working as an administrator in the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life.

In a letter from the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life, the following is stated:

Institute of Comparative Studies of International Cultures and Societies (Mii Campus)

In 1991, he was appointed an official of the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life.

Somalo became Prefect of the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life on 21 January 1992.

The Congregation for Institutes of Consecrated Life and Societies of Apostolic Life has ecclesial oversight of institutes of consecrated life.

They are regulated by the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life.

On 6 April 2013, he was named secretary for the Congregation for Institutes of Consecrated Life and Societies of Apostolic Life.