Ann Mei Chang is USAID's Chief Innovation Officer and the Executive Director of the U.S. Global Development Lab. The Lab is the newest bureau at USAID and aims to transform global development through science, technology, innovation, and partnerships. Prior to USAID, Ann Mei was the Chief Innovation Officer at Mercy Corps, an international NGO. She also served as the Senior Advisor for Women and Technology in the Secretary's Office of Global Women's Issues at the U.S. Department of State. In addition to her work in the public sector, Ann Mei has more than twenty years of engineering and leadership experience in Silicon Valley.

Jehiel Oliver, Founder & CEO (Abuja, Nigeria) - Jehiel manages the Hello Tractor team, strategy, and partnerships. He is an Echoing Green Global Fellow and has been recognized for his work in social entrepreneurship and poverty alleviation. Prior to Hello Tractor, Jehiel founded Aya Consulting, a boutique consulting and advisory firm. At Aya he was involved in over a half billion dollars in impact investment transactions across ten countries, including conflict zones. Outside of work, Jehiel remains active serving on the board of Shared Interest (where he is board treasurer and executive committee member) and H4H, both impact investment funds focused in sub-Saharan Africa. Jehiel began his career in the US investment banking and private equity industries. Jehiel studied economics at both the undergraduate and graduate levels at Florida A&M University and Cornell University, respectively.