Born in Bali, Tonny Sadha moved to New York, where he graduated summa cum laude from Fashion Institute of Technology with a bachelor of fine arts in interior design.
He started his design career at Birch Coffey Design Associates, where he was involved in residential projects throughout New York and the interiors of three luxury cruise ships for Celebrity Cruises.
From 1994 until 2005, he worked as a senior designer at BBGM. His very first project with the firm, Sheraton Russell in New York, received two awards for Best Luxury Suites and Best Luxury Bar from Lodging Hospitality magazine. His work for the renovation of Raffles, the Plaza (now Fairmont Hotel) in Singapore received the Gold Key Award from Hospitality Design magazine for Guestroom Design.
Other notable projects include InterContinental Hotel Boston; the Essex House in New York City; Four Seasons Mexico City; Swissotels in Sydney, Singapore, and Moscow; and Hotel Sofitel in Philadelphia, which won the 2001 Hospitality Interior Design Award.
In 2005, Sadha founded his namesake boutique design firm for the hospitality market. He worked on a number of projects, including: Atlantica Restaurant; Allegria Hotel and Spa in Long Beach, New York; and the urban Ravel Hotel in New York.