Hasrol Rosli joined Prasarana group on 6th April 2005 as an Engineer in charge of the building and tunnel maintenance of the Kelana Jaya Line (formerly PUTRA LRT). After then, he advanced in his profession and oversaw several portfolios throughout his 19 years career in Prasarana. He is currently in charge of Prasarana's sustainability.

He had successfully led the development of the sustainability framework and subsequently launched the Prasarana Sustainability Blueprint 2023-2030. He plays a key role in directing the sustainability programs implemented by the Prasarana Group.