Thomas Mathew is a former Indian Administrative Service officer, author, corporate strategist, defence analyst, and photographer. His books include In Search of Congruence: India-US Relations under the Obama Administration – he edited and contributed to its lead chapter; Winged Wonders of Rashtrapati Bhavan; and Abode Under the Dome. The last two books were gifted by then President of India, Pranab Mukherjee, to visiting world leaders such as US President Barack Obama, Chinese President Xi Jinping, Russian President Vladimir Putin, UK Prime Minister Teresa May and French President François Hollande. He also regularly writes opinion pieces for leading dailies on various relevant issues. He has clicked over 500 photos of birds for the book Winged Wonders of Rashtrapati Bhavan. His photographs of the paintings of Ashoka Hall of Rashtrapati Bhavan were published by Lalit Kala Academy.