- Training as a specialist in paediatrics and adolescent medicine and scientific work at St. Anna Children's Hospital 1990-2002
- Habilitation 2006
- Paediatrician in private practice at the Alsergrund Children's Clinic since 2003

- Advanced training diploma from the Austrian Medical Association
- Diploma in hip sonography according to Graf
- Member of the Association of Political Pediatric Medicine since 2010
- Head of the working group “Medical Care for Refugee Children” since 2014
- Recipient of the August von Reuss Medal for special services in social pediatrics 2023

- 2 daughters: Luise born in 1994 and Leonie born in 1997
- Leisure interests: Yoga, singing, hiking, meeting friends

In case of illness, vacation or training, Dr. Grois is represented by experienced pediatricians.