Executive Team
Our executive team brings a rare combination of deep expertise, bold leadership, and an unwavering commitment to impact. With decades of experience across global health, development, humanitarian innovation, and catalytic investing, they are driving forward our mission to scale transformative solutions where they are needed most.

Dr. Karlee Silver
Chief Executive Officer

Akin Alaga
Chief Operating Officer

Rahul Chandran
Chief Strategy and Partnerships Officer
Driven by purpose. Grounded in experience. United by innovation.
Meet the experts
Grand Challenges Canada is home to a growing group of subject-matter experts working at the intersection of global health, innovation, equity, and impact. With deep knowledge in areas such as maternal and newborn health, global mental health, gender equality, humanitarian innovation, and blended finance, our experts help shape bold solutions — and the systems that sustain them.
They bring practical insight, policy expertise, and real-world experience to the innovations we support, and are frequently called upon to contribute to global conversations on what it takes to drive lasting change. Here are just a few of the experts at GCC:

Nicole Sijenyi Fulton
Senior Director
Global Health Innovation

Dr. Fawad Akbari
Senior Director
Humanitarian Innovation and Program Optimization

Adetunji Eleso
Director
Scale and Sustainability

Leeat Gellis
Director
Social Finance

Dr. Johanna Sanchez
Global Climate and Health Lead