Dato Hjh. Siti Khairiah has vast knowledge and experience in corporate administration. Throughout the years, she has build a good rapport with both state and federal government. Started her career in 2003, worked as an Administrator in Open University Malaysia Pusat Pembelajaran University (PPU), Sandakan.

For the past 20 years, Dato Siti has held several key positions in various industries in Sabah such as Car dealership and Construction. Since 2017, she has served as Admin Director of Green Oscasaba Sdn Bhd.

She holds a Bachelor Degree in Business Administration and awarded Honorary Doctorate for outstanding business development & service to humanity from UIPM.