Executive Team

Our Team

G4 Alliance Executive Team

COLIN MCIFF

Executive Director

As the Executive Director of the G4 Alliance, Colin brings a wealth of expertise and experience in global health advocacy and diplomacy.

Colin most recently served as Deputy Assistant Secretary in the Office of Global Affairs at the U.S. Department of Health and Human Services, retiring from federal service after 27 years in June 2025. Colin also served (from 2016-2018) as the Director of the Europe Office of the U.S. Government Food and Drug Administration in Brussels, Belgium. From 2010 to 2016, he served as Health Attaché at the U.S. Mission to the United Nations in Geneva, leading U.S. engagement with the World Health Organization and other Geneva-based health institutions. Colin also served in the U.S. Department of State in a variety of positions. From 2004 to 2010, he served as Multilateral Organizations Officer for PEPFAR (the President’s Emergency Plan for AIDS Relief) at the Office of the U.S. Global AIDS Coordinator contributing to the early days of PEPFAR and the development of the global HIV/AIDS response with a focus on multilateral institutions and relationships. Prior to joining PEPFAR, Colin served with the Bureau of Oceans, International Environmental and Scientific Affairs and the Office of Japan Affairs at the U.S. Department of State and with the U.S. Agency for International Development.

Colin received his Bachelor of Arts in History and East Asian Studies from the University of Arizona his Master of Pacific International Affairs from the University of California San Diego.

NATALIE SHENEMAN

Advocacy Manager

Natalie Sheneman is responsible for advocacy strategy and programs at the G4 Alliance. Her work involves coordination of the G4 Alliance network of member organizations and external partnerships.

Previously, Natalie held roles at the Institute for Global Health at Northwestern University, where she managed and fundraised for education programs and conducted research on global health ethics and curriculum design. Prior to that, she worked at Northwestern Medicine and the food and agriculture program at The Chicago Council on Global Affairs.

Natalie received a Master of Business Administration and Master of Public Health from the University of Illinois at Chicago (UIC), where she focused on social entrepreneurship, epidemiology, and global health. Natalie is a former co-president of the UIC chapter of Net Impact, an international student organization dedicated to leveraging business for social good. She has a Bachelor of Arts in international relations from Carleton College.

ALMAS KHATTAK

Operations Manager

Dr. Almas Khattak supports the operational needs of the G4 Alliance, including managing internal communication platforms and processes.

Dr. Khattak is a public health and global surgery professional who previously served as Associate Professor of Community Medicine and Associate Director of Global Surgery at Alliance Healthcare in Pakistan. She has deep experience in health systems strengthening, surgical quality improvement, and international collaboration, and leads global initiatives with multiple organizations to advance equitable access to surgical, obstetric, trauma, and anaesthesia care in low- and middle-income countries.

BENEDETTA DOSI

Communications Consultant

Benedetta Dosi is a professional with a passion for global healthcare advocacy and a commitment to social causes. A graduate of the American University of Paris with a degree in International and Comparative Politics, Benedetta brings an understanding of international relations and a perspective on socio-political issues to her work.

At the G4 Alliance, Benedetta leverages her expertise in graphic design, social media management, and public relations to drive communication strategies. With an eye for detail and a creative flair, she crafts graphics and content that resonate with diverse audiences across digital platforms.

Dedicated to advancing global healthcare accessibility, Benedetta is committed to the G4 Alliance’s philosophy of transforming global surgery through collaboration. Working to grow, align, and optimize resources for surgical care capacity building, her commitment to social causes fuels her mission to ensure equitable access to life-saving surgical care for all.

With a strategic mindset and a drive for excellence, Benedetta Dosi is committed to policy development and implementation.