Marie-Odile Louppe, International Monetary Fund economist, dies at 65 Marie-Odile Louppe, an economist with the International Monetary Fund who specialized in European and African concerns, died Oct. 21 at Potomac Valley Nursing Home in Rockville. She was 65. The cause was Alzheimer's disease, said her companion, Lee Butler. Ms. Louppe came to Washington and joined the IMF in 1997 after 25 years as an economist with the Organization for Economic Cooperation and Development in Paris. She retired in 2004. Marie-Odile Chasles was born in Paris and in 1968 graduated with a master's degree in economics from the University of Paris. She lived in the District and in Arlington before moving to Potomac Valley Nursing Home two years ago. Her marriage to Patrick Louppe ended in divorce. Survivors include her companion since 2002, Lee Butler of Silver Spring; two daughters from the marriage, Sarah Louppe Petcher of Arlington and Fiona Louppe West of Miami; two sisters; a brother; and two granddaughters.