Digital Square
Connecting the World for Better Health.

Who we are

Our People



Executive director

Skye Gilbert

Skye Gilbert joined PATH in 2016, and assumed Digital Square’s Executive Direct position in 2019. Prior to joining PATH, Skye worked on  health and information systems from a variety of different lenses, first as an academic researcher living in Senegal and China, then as a consultant to the private sector at the Boston Consulting Group, and finally as a Program and Strategy Officer at the Bill & Melinda Gates Foundation. Skye has a Global Executive M.B.A. from INSEAD and bachelor degrees in Economics, International Studies, and Psychology from the University of Pennsylvania.



Digital Square’s Board is dedicated to advancing the mission, goals, and priorities of Digital Square. Members of the Board include:

  • Tim Wood, Bill & Melinda Gates Foundation

  • Jake Watson, Digital Impact Alliance

  • Sebastien Mazzuri, FSG

  • Nancy Wildfeir-Field, GBCHealth

  • Ann-Marie Sevcsik, Independent Consultant

  • Chuck Slaughter, Living Goods

  • Dykki Settle, PATH (ex officio Chair)

  • Amie Batson, Stanford University

  • Neal Myrick, Tableau Foundation

  • David Stanton, United States Agency for International Development


technical director

Carl Leitner

Carl Leitner, PhD, brings more than 15 years of experience in informatics, information technology, software development, and education including more than eight years designing and adapting open-source interoperable digital health systems in low-and middle-income countries.



operations Director (interim)

Zahra Lutfeali

Zahra Lutfeali is an experienced manager of complex, multi-million dollar bi-lateral government and private sector donor funded programs in the international development sector. She has directed the technical, operational, financial, and programmatic approaches of a variety of programs that range in technical focus and span over 14 countries.



Deputy director, programs

Alice Liu

Alice Liu oversees Digital Square’s country programs and regional and national leadership initiatives.

Previously Alice was the Director of the mPowering Frontline Health Workers initiative, a USAID-funded public-private partnership that is working to accelerate the use of mobile technology to improve the skills and performance of frontline health workers around the world. She also served as the Director of Digital Health at Jhpiego where she provided leadership and guidance to integrating digital health into Jhpiego’s health systems strengthening programs. Alice has 14 years experience working in digital development for global health, financial inclusion and agriculture. She began her career in the technology sector in California managing teams to deliver multi-million dollar ecommerce, data warehouse, and customer relationship management systems. She earned her MBA from Yale School of Management and a Bachelor of Science degree in computer science from the University of California Santa Barbara.