Nicolas Makharashvili, MPAis a Senior Program Officer at the Care and Protection of Children (CPC) Learning Network, an entity housed at the Columbia University Mailman School of Public Health. He brings over 10 years of experience in project management, supporting scale up of evidence-based interventions, capacity building, and evaluation for the social sector. During his time at CPC, Nicolas has successfully coordinated the global dissemination of the INSPIRE: Seven Strategies to End Violence Against Children technical package in collaboration with UNICEF, WHO, USAID, CDC and other agencies and is currently supporting efforts to strengthen capacity for implementation, adaptation, and scale-up of evidence-based approaches to preventing violence against children. Most recently, Nicolas served as a Senior Manager at the Social Impact Exchange where he managed various philanthropic projects and worked at the intersection of health, education and early childhood to support national, regional and local systems change efforts through systems mapping, analysis and cross-sector collaboration models. Nicolas holds a Master’s degree in Public Administration from the City University of New York, Baruch College and a BBA in Finance & Investments.

Jing Li joined the program in June of 2018 as the Program Officer. Jing comes with over nine years of experience in providing administrative and financial support to grant based children and health programs. Prior to her current position, Jing was the Associate Program Manager at Project Sunshine, where she managed the organization’s community based pediatric service programs in US and China, providing services to 100,000 pediatric patients and their family members. Jing holds a Master’s degree in Social Work from Washington University in St. Louis and a BBA from Renmin University of China.

Dr. Ling San Lau, MBBS, MPH, is a pediatric doctor with a global humanitarian focus and nine years of professional experience in clinical medicine, research and public health. She is dedicated to improving the health and protecting the rights of vulnerable populations, including children and families affected by forced migration, HIV and conflict.  Dr. Lau previously worked as a pediatric doctor in children's hospitals in Australia and provided medical outreach in Nepal and remote indigenous Australian communities. She also researched the molecular biology of childhood brain tumors at Children’s National Hospital in Washington, D.C., as an American Australian Association and Thrasher Research Fund fellow.  Dr. Lau graduated with a Master of Public Health and a certificate in Public Health and Humanitarian Action from Columbia University's Mailman School of Public Health in May 2019 and was inducted into the Delta Omega Public Health Honorary Society.  During her fieldwork practicum in Zimbabwe, she led the development of a referral system to strengthen community-facility linkages for children affected by HIV, TB and malnutrition. She is currently working with Columbia University's Program on Forced Migration and Health (PFMH) on a research project examining the needs and priorities of Syrian refugees and host communities in Jordan.



Nour Audi is a DrPH candidate at the Population and Family Health Department in Mailman School of Public Health at Columbia University. He received his medical degree from Al Kalamoon University in Syria before completing an internal medicine residency at Damascus School of Medicine. He worked in the first aid response teams of the Syrian Red Crescent throughout the current conflict. Then moved to work with Damascus-based humanitarian sector focusing on rehabilitation of primary health centers and establishing community healthcare workers teams that support self-management of chronic diseases. He completed a Master of Public Health degree in Brown University before joining the Mailman DrPH program.


Teaching Assistants

Jennifer Ostrowski is an MPH student in the Department of Population and Family Health. She is also completing her Master of International Affairs (MIA) with a concentration in Humanitarian Policy at Columbia’s School of International and Public Affairs (SIPA). Prior to coming to Columbia, Jennifer worked in education, training and evaluation at a state public health laboratory through the Public Health Associate Program (PHAP). Jennifer spent last summer interning with the Women’s Refugee Commission’s research team to review maternal, child and adolescent health indicators for a community health worker program. She is currently completing her SIPA capstone with Médecins Sans Frontières (MSF), focusing on protection, human rights education and health services for migrants in Mexico and Latin America. 

Katherine McCann is an MPH student in the Department of Population and Family Health with a certificate in Public Health and Humanitarian Action. Prior to coming to Columbia, Katherine worked as a field coordinator for a medical NGO in Greece and Bangladesh serving migrant populations in acute and protracted emergency settings. She also has domestic experience as an EMT and as a clinical research coordinator studying substance abuse treatment at the University of North Carolina. Katherine completed her practicum last summer with sidHARTe – Strengthening Emergency Health Systems. Her research with the program focused on COVID-19’s impact on health systems in low- and middle-income countries.

Sabeen Rokerya is a second-year MPH student in the Department of Population and Family Health, with a certificate in Public Health and Humanitarian Action. Prior to studying at Columbia and joining the Program on Forced Migration & Health, Sabeen studied public health and environmental policy at Rutgers University. She also has, for the past three years, supported a New York State-funded collaboration between a managed-care and community-based organization for the Ending the AIDS Epidemic three-point plan, supporting people living with HIV (PLWH) who may be lost-to-care in New York City. At the Program on Forced Migration & Health, Sabeen supports research efforts on refugee repatriation and healthcare reconstruction in Syria and asylum-seeking into the United States through the US-Mexico border. Her additional interests include in emergency obstetric and doula care in complex emergencies,  migration linked to climate catastrophe, stories, and science.