CAPT Siobhan Luczak grew up in Sydney and completed a Bachelor of Arts and Diploma of Education at Macquarie University in 2011. She taught high school geography for a few years before serving six years as a police officer in the New South Wales Police Force. She commissioned into the Australian Defence Force as an Education officer in June 2020.

Her first posting was to the Army Education Centre at 1BDE (NT). During this posting she delivered the educational program at SRC, conducted individual support, was project manager for a training video project and instructed on several Military Instructor Courses. In 2022 she posted to the Army Education Centre Albury-Wodonga where she continues to provide educational support to instructors posted to ALTC. CAPT Luczak currently posted to AEC-SQLD as an Education officer

CAPT Siobhan Luczak umpires in her local AFL league and has umpired games between Army units when the opportunity arises. Her partner, Adam, is serving as an Infantry Sergeant. She has an interest in philosophy and completed three subjects through UNE in 2021 for her personal and professional development.