The people accountable for this work

Leadership & Board

Faithful leadership, responsible stewardship, and a shared commitment to serve communities in Africa with Christ-centered care.

Africa Cries Out is led by people who bring medical experience, ministry commitment, cross-cultural perspective, professional knowledge, and a long-term desire to serve with humility and integrity.

Founder & President

Guiding ACO with vision, faith, and long-term commitment.

Dr. Jun Xu

Founder & President

Jun Xu, MD

Founder & President of Africa Cries Out · Board President

Dr. Jun Xu is the founder and overall ministry leader of Africa Cries Out. He provides ACO’s vision, ministry leadership, and strategic direction, guiding the organization’s work alongside ACO leaders, volunteers, supporters, and local partners in Africa.

Dr. Xu is a physician at Stamford Hospital and is affiliated with Columbia University. His professional medical background, Christian faith, and long-term commitment to global outreach continue to shape ACO’s work in healthcare, education, community care, and mission service.

Connecticut, USA Physician Stamford Hospital Affiliated with Columbia University

Board of Directors

Stewarding the mission with wisdom and shared responsibility.

ACO’s Board of Directors brings professional experience, ministry commitment, cross-cultural perspective, and strategic guidance in support of ACO’s mission and long-term growth.

Board Officers

Dr. Jun Xu

Board President

Jun Xu, MD

Dr. Xu serves as Board President in addition to his role as Founder & President of Africa Cries Out. His profile is shown above.

Board Focus: Organizational Vision, Ministry Leadership, and Long-Term Direction

Xinwen Wang

Board Treasurer

Xinwen Wang

Xinwen brings long-term church service, community commitment, and financial stewardship support to ACO. After years of church service in New Jersey, Massachusetts, and Pennsylvania, he returned to Boston in 2023 and continues to serve actively in his local church community.

Board Focus: Financial Administration and Stewardship Support

Xiaohong Duan

Board Secretary

Xiaohong Duan

Xiaohong is a mathematics educator with a professional background in IT, where her work included product planning, requirements analysis, system coordination, and technology implementation. She brings experience in education, technology, project development, and nonprofit service to ACO. She has been actively involved in ACO’s mission outreach, website and digital development, media communications, and organizational support, with a particular focus on strengthening ACO’s public presence, sharing its mission and impact, and supporting Gospel outreach through effective communication and storytelling.

Board Focus: Board Records, Website & Digital Media, Communications & Outreach, and Gospel Promotion

Board Directors

Li-Hsien Wang

Board Director

Li-Hsien Wang

Li-Hsien is a retired pharmaceutical-industry researcher who remains actively engaged in charitable work and Christian service. His long-term Christian journey has included church life and service in Taiwan, Texas, Connecticut, and New York.

Board Focus: Organizational Support and Community Service

Dr. Christopher Leo

Board Director

Christopher Leo, MD, PhD, FACP

Dr. Leo is a physician specializing in Internal Medicine and Geriatrics in North Carolina. He completed his internal medicine residency in New York and his geriatric fellowship at Duke University Hospital, and now serves as a physician and Assistant Professor at Duke University, where his work is dedicated to care of the elderly and to community healthcare.

He served on the board of the Alliance of North American Chinese Physicians from 2022 to 2023 and as its President from 2024 to 2025, and has chaired the board of the Carolinas Chinese Healthcare Provider Association since 2026. He is one of the key coordinators of ACO’s annual mission trips, and in 2025 was appointed by the ACO Board of Directors to establish its Executive Committee.

Board Focus: Medical Mission Support and Organizational Coordination

Dr. Paul Minfa Huang

Board Director

Paul Minfa Huang, PhD

Dr. Huang holds a Ph.D. in Telecommunications from New York University and has held senior leadership roles in major telecommunications companies. He is the founder and CEO of Bethel Renewal Center, a pastor, and an experienced cross-cultural missions and leadership-development practitioner with Business as Mission experience.

Board Focus: Ministry Development, Leadership, and Global Missions

Dr. Xuezhi Daniel Jiang

Board Director

Xuezhi Daniel Jiang, MD, PhD

Dr. Jiang is a Professor of Obstetrics and Gynecology at Drexel University College of Medicine. He has participated in medical missions in Haiti, the Dominican Republic, Nigeria, and Senegal, and brings experience in patient care, medical education, clinical research, and whole-person care.

Board Focus: Medical Advisory and Global Health

Otávio Marques

Board Director

Otávio Marques

Mr. Marques has served in Africa since 1970. After moving to Senegal in 1987, he established MEADBS as a mission base for missionary training and helped develop a technical school and health clinic to meet community needs.

Board Focus: West Africa Ministry History and Local Partnership

Pastor Nilson Teixeira

Board Director

Nilson dos Santos Teixeira

Pastor Nilson leads the Assembly of God World Vision Ministry, which grew from decades of church leadership and missionary work. He supports church planting, missionary outreach, and community service across North America, South America, Central America, and West Africa.

Board Focus: Church Partnerships and Missionary Outreach

Executive Leadership

Supporting ACO’s annual outreach and ministry priorities.

Dr. Christopher Leo

Executive Team Chairman

Christopher Leo, MD, PhD, FACP

Appointed by the Board of Directors in 2025 to establish ACO’s Executive Committee, Dr. Leo serves as Executive Team Chairman, supporting organizational coordination and the implementation of ACO’s ministry priorities. He works alongside Dr. Xu, Board members, volunteers, medical professionals, and local partners to advance ACO’s annual outreach and long-term ministry work.

Organizational coordination

Medical mission support

Volunteer and leadership collaboration

Annual outreach planning

Community healthcare and ministry service

ACO’s leaders and Board members serve with a shared commitment to honor donor trust, strengthen local partnerships, and guide the ministry with humility, wisdom, and long-term care for the communities ACO serves.