After Atalla and his family migrated from Sudan as a child, they finally settled in Prospect in 1970, where he attended the local public school. Atalla went on to attend Grantham High School in Seven Hills during his adolescence. After finishing high school, Atalla was accepted to study a Bachelor of Engineering degree at the University of Wollongong, where he graduated in 1988. During his time at the University of Wollongong, Atalla gained employment as a junior engineer with Holroyd Municipal Council before he moved to the Mount Druitt Electorate in 1987. From 1989, Atalla was employed as the NSW State Project Engineer for CSR Readymix, where he later gained a Builder's Licence. In 1993, Atalla moved back to the Local Government and worked as an engineer for the Liverpool City Council and was then promoted to Building Services Manager for the citywide services in 1997, and again in 2000 to Corporate Manager of Operations. In 2005, Atalla became the National Building Systems Manager, a senior position with AVJennings where he was responsible for organisations management. In August 2014, Atalla left private and public engineering to pursue a career in politics when he was preselected to be the NSW Labor Candidate for Mount Druitt.
Political career
Atalla credits his interest into politics when he witnessed first hand the struggles of community members. This defining moment occurred in 1987 when he assisted an elderly gentleman who could not afford to replace his set of dentures after they fell down a Council storm-water drain. Atalla was able to retrieve the dentures, however the man's inability to afford another set "struck a chord", and Atalla resolved to help ensure that all people would have better access to basic necessities. Atalla joined the Labor Party 2 years later, in 1989 and states he was "attracted to the principals of Social Justice including access to health and education, employment opportunities, and greater equality in wealth and power". From 2002 to 2007, Atalla was elected as the Vice President and from 2007 to 2015 he acted as Secretary/Treasurer of the Rooty Hill Branch of the Labor Party. In 2004, he was elected to Blacktown City Council, and in 2006 and 2007, held the position as Deputy Mayor. Within his time at the Blacktown City Council; Atalla held the following positions;
Delegate – Floodplain Management Authorities of NSW
In 2015, Atalla won the Mount Druitt seat in the New South Wales Parliament by a landslide, with a total of 65.4% if the vote against the NSW Liberal Party candidate Olivia Lloyd. During this time he served on the Legislative Assembly Committee on Law and Safety. In 2019, Atalla again won the Mount Druitt seat in the NSW Parliament and experienced a positive swing, by gaining 66.4% of the vote.
