 On 1 May 1942 he accepted an invitation from Monsignor Giovanni Battista Montini - the future Pope Paul VI - to join his staff in the Secretariat of State and he remained there until 12 May 1970 when he decided to leave and take up a new post elsewhere.He founded the Marian Priest League on 17 May 1943; he later co-founded the Volunteers of Suffering in 1947 and later the Silent Workers of the Cross in 1950.Novarese also founded the Brothers and Sisters of the Sick in 1952.