Mary Ann is a member of the Ambassadors Circle and former Board Director (2008-2020) of Family Business Network (FBN) Asia. She joined her brother, Frederick Chavalit, in establishing the regional, non-profit association of family businesses committed to business practices that serve as a model of sustainability.

Mary Ann is also the current Chairwoman of the Tsao Family Office. IMC – the Tsao family group of companies that include shipping and logistics, real estate, hospitality and other businesses – was started in the late 1800’s in Shanghai by her great grandfather.

Additionally, Mary Ann is the Chairwoman and Founding Director of the Tsao Ng Yu Shun Foundation, a Singapore-based but regionally oriented non-profit operational foundation dedicated to aged care and ageing issues that was chartered by her grandmother in 1992.

She has served on numerous boards and committees of local governmental and non-profit organisations as well as academic institutions. She has also served as technical advisor and resource person for various multilateral agencies, such as WHO Geneva office’s Ageing and Life Course unit, UNESCAP (UN Economic and Social Commission for the Asia Pacific), as well as on the boards of various international agencies on ageing.

For her work on ageing, she received from the government of Singapore the Public Service Medal (PBM) in 2000, Public Service Star (BBM) in 2004 and Public Service Star (Bar) – BBM(L) – in 2015.

Mary Ann is frequently invited to speak about family business and family offices, philanthropy as well as ageing and longevity.