Thérèse Virginia Rein /təˈreɪz ˈreɪn/[1][2] (born 17 July 1958) is an Australian entrepreneur who is the founder of Ingeus, an international employment and business psychology services company.

Her father, John Rein, was a Royal Australian Air Force navigator who had suffered severe spinal cord damage during a plane crash.

There she met Kevin Rudd, as both of them lived at Burgmann College during their first year of university and were members of the Student Christian Movement.

This international employment services agency assists jobseekers, in particular long-term unemployed people, enter the workforce.

[21] The sale of the Australian arm of Ingeus took place in May 2007 to ensure there was no perceived conflict of interest as her husband, Kevin Rudd was the Leader of the Opposition (and later the Prime Minister of Australia).

There was extensive internal and external assurance exercises undertaken throughout the procurement process.Rein has a strong involvement in charity work and is patron of the Australian Common Ground Alliance; UNICEF Maternal and Infant Health Campaign;[25] the Indigenous Literacy Foundation; OzHarvest Food rescue; Ability First Australia;[26] Arts Project Australia; The Bella Program at the Museum of Contemporary Art, Sydney; ACT Junior Talent Squad for Athletes with a Disability; Shakespeare on Oxford Festival at Bulimba, Brisbane.