Secretary-general of Foundation for Yunus Social Business China, President of Grameen China, Deputy Director of Inclusive Finance Committee of Asian Financial Cooperation Association, Expert Committee Member of China Banking and Small Loan Regulatory Commission, Researcher of Yunus Social Business Center of Zhengzhou University, Independent Director of Dongwu Village Bank of Siyang, Jiangsu Province. In additon, Gao Zhan has served as a reporter for the "Reform Internal Reference" and "China Reform" of the National Development and Reform Commission, Deputy Director of the Press Department and a reporter for "Times Weekly", a Poverty Alleviation Cadre of the Guangdong Provincial Government in Western Guangdong, and a Visiting Scholar of the US State Department.
He has long been engaged in the field of rural revitalization and poverty alleviation, In December 2014, together with Professor Mohammed Yunus and at the invitation of the Chinese government, he formally launched Grameen China, a social business that aims to help the low-income women in China, providing microloans, financial training, and support to members through replicating the Grameen Bank model and implementing its five-member solidarity group, weekly centre meeting and community development agenda.