Everything I find in a Google search shows that he's the Executive Pastry Chef at the Marriott Waldman Park, in Wash. D.C.
Here's his bio from the 2006 Pastry Team Championship.
Mohan De Silva back to top
Mohan De Silva has ascended from his humble beginnings to become a world-renowned pastry chef. He began as an apprentice in the Inter-Continental Hotel in his native land of Sri Lanka where he trained in culinary arts and hospitality. In 1975, Mohan traveled to the western world with his family where he worked at the Southampton Princess Hotel in Bermuda.
He then traveled to Freeport, Bahamas in 1978 where he became the Pastry Chef of the Princess Hotel. Through the early 80's, Chef De Silva accepted the challenge of managing three Marriott Hotels, as pastry chef in Saudi Arabia.
Working his way back westward, he spent some time at the Homestead Hotel in Hotsprings, VA. Mohan then embarked on his most prestigious assignment: he became Executive Pastry Chef of New York City's Marriott Marquis in 1985 as part of the hotel's opening team. He remained in the Big Apple for 9 years until venturing to the City of Brotherly Love in 1994 as the Executive Pastry Chef of the Philadelphia Marriott Hotel. At present Mohan is the Executive Pastry Chef at the Wardman Park Marriott Hotel in Washington D.C.
Mohan has won over 30 medals in domestic and international competition. He won his first Culinary Olmypic medals in Frankfurt, Germany in 1992. He also received two St. Michaels' gold medals for Pastry Excellence at the New York Culinary Arts and Restaurant Show. Mohan became Marriott Team Captain in 1998 where he lead his team to two silver medals in the Hotelympia London. He was selected team captain again for the 2000 Culinary Olympics where he led his team to the gold. Mohan enjoys pastry competitions because it is his chance to learn new techniques from others in addition to showcase his skill.