Sunil joined Burjeel Holdings in 2012 and became group CEO in 2022, overseeing its sustainability transformation. In 2024, the company achieved a 29% reduction in combined scope 1 and 2 emissions compared to 2023. Burjeel transitioned its vehicles to hybrid models, completed LED upgrades across its hospitals, and introduced automated HVAC systems. It also cut its water consumption by 3.5% in 2024, with 2% reused, and it treated 95% of medical waste through sustainable incineration.