Dr. Singh heads the Audiology & Speech Therapy department at Marengo Asia Hospitals, with expertise across diagnostics and pediatric and adult speech rehabilitation. He’s a frequent expert columnist and speaker on noise pollution and audiology for outlets like The Times of India, Hindustan Times, Navbharat Times, and Dainik Bhaskar. He's also served corporates such as Maruti, Pepsi, Indian Oil, and others.