Samuel Chu Muk Man (Chinese: 朱牧民; born 3 January 1978) is a Hong Kong-born American activist and community organizer.

[1][2] He is also a founding member of the advisory board of the Axel Springer SE Freedom Foundation in Berlin (Germany),[3] a senior advisor to the president and CEO of MAZON: A Jewish Response to Hunger, and a trainer for Midwest Academy, a training school for community organizers in the US.

[12][13] From 2011 to 2021, Chu served as the national organizer for MAZON: A Jewish Response to Hunger,[14] leading local and regional campaigns around issues of food insecurity and access in various states.

He was a fellow at the Center for Religion and Civic Culture at University of Southern California,[15] where he engages in research, writing and teaching around community organizing, public leadership, and the role of religious institutions in social change.

[26] He has organized for OneLA[16][27][non-primary source needed] where his accomplishments included creating and implementing projects such as the largest community-led enrollment program for the Affordable Care Act in California[28][29] and the nation's first mortgage principle reduction plan during the foreclosure crisis[30][31] In his role as National Organizer for MAZON: A Jewish Response to Hunger, Chu oversees engagement of over 950 synagogue partners across the country and directs a growing political constituency that has won legislative and administrative changes at the state and regional levels – including $8 million in new state funding to provide free school lunch to 62,000 additional low-income students in Minnesota, universal breakfast for over 4,000,000 students across 1,000 public school campuses in Texas, and improved access to Supplemental Nutrition Assistance Program (formerly known as "food stamps") for thousands of families, veterans and homeless minors in Pennsylvania and California.

[32] "Lunch shaming"[33] is the practice by school staff and workers of denying students healthy, nutritious meals because of the inability to pay or accrued debts.

Chu was the managing director of the Hong Kong Democracy Council[34] until August 2021, when he stepped down together with fellow core members Victoria Hui and Annie Boyajian.

Chu Yiu-ming, a retired minister who co-founded Occupy Central with Love and Peace[35] and one of the leaders of the Umbrella Movement in Hong Kong.