Executive Team

David A. Ross, ScD

President and Chief Executive Officer

Dave Ross, ScD, is president and chief executive officer (CEO) of The Task Force for Global Health. In this role, Dr. Ross provides strategic direction to The Task Force and oversees eight programs focused on neglected tropical diseases, vaccines, field epidemiology, and public health informatics. Dr. Ross assumed leadership of The Task Force on May 1, 2016, after 16 years as director of The Task Force’s Public Health Informatics Institute (PHII) and its predecessor All Kids Count. Prior to joining The Task Force, Dr. Ross was founding director of the Center for Disease Control and Prevention’s first national initiative to improve the information infrastructure of public health in the United States.


William P. Nichols, MPA

Chief Operating Officer

Bill Nichols, MPA, is the chief operating officer (COO) for The Task Force for Global Health and its subsidiary, Global Health Solutions, Inc. In this role, he manages the Integrated Program Services unit that provides administrative and operational support to Task Force programs and projects. Bill also serves on The Task Force executive team; is treasurer for The Task Force Board of Directors; and provides fiduciary responsibility for the organization’s operating budget, reserve funds, and donations. Prior to joining The Task Force, Bill held senior leadership positions at the program and business services levels of the Centers for Disease Control and Prevention (CDC), including COO, director of the Financial Management Office (FMO), director of the Procurement and Grants Office (PGO), and management officer for multiple programmatic centers.


Heather Brooks, MS

Director of Organizational Effectiveness

Heather Brooks, MS, is the director, organizational effectiveness at The Task Force for Global Health. In this role, she ensures that the organization is well positioned in an evolving global environment by being an agent for ongoing organizational development. As a member of The Task Force’s executive team, Ms. Brooks, in collaboration with this team, sets overall organizational policies and priorities, and promotes overall organizational effectiveness by supporting The Task Force’s strategic planning and leadership development. In addition, she leads and directs The Task Force’s Human Resources team and is responsible for enhancing overall organizational effectiveness by promoting integration of programs at The Task Force. Prior to joining The Task Force, Ms. Brooks was a senior HR advisor for global staff and organizational development at CARE. Ms. Brooks is a board member of Global Health Solutions and a former board member of the Refugee Family Services.


Mark McKinlay, PhD

Director, Center for Vaccine Equity

Mark McKinlay, PhD, is director for the Center for Vaccine Equity (CVE), a program of The Task Force for Global Health. In this role, Dr. McKinlay oversees The Task Force’s work to increase access to vaccines for cholera and influenza in developing countries. He also guides The Task Force’s work to help eradicate polio. Prior to joining The Task Force, Dr. McKinlay co-founded two pharmaceutical companies where he focused on the development of novel medicines to treat cancer and the common cold.


Patrick O’Carroll, MD, MPH

Head, Health Systems Strengthening Sector

Patrick O’Carroll, MD, MPH, FACPM, FACMI, is head of The Task Force’s health systems strengthening sector. In this role, Dr. O’Carroll provides overall strategic and operational direction to the sector that currently consists of the Public Health Informatics Institute, TEPHINET, the African Health Workforce Project, and MedSurplus Alliance.​ Dr. O’Carroll also serves on The Task Force executive team. Prior to joining The Task Force, Dr. O’Carroll was the regional health administrator for the U.S. Department of Health and Human Services (HHS) Region X serving Alaska, Idaho, Oregon, and Washington. He was also HHS deputy assistant secretary for health (science and medicine) and senior advisor to the acting assistant secretary for health.


Poul Olson, MS

Chief Communications and Development Officer

Poul Olson, MS, serves as chief communications and development officer at The Task Force for Global Health. In this role, he is responsible for directing The Task Force’s communication efforts using traditional and digital media to engage diverse audiences with the organization. He also leads the cultivation and solicitation of gifts from individuals, corporations, and foundations and serves on The Task Force executive team. Before joining The Task Force, Poul was a vice president at Ogilvy Public Relations where he provided senior-level policy communications support to the Centers for Disease Control and Prevention. He also held various communications roles for a Bill & Melinda Gates Foundation-funded project in Ethiopia and ICAP, the HIV organization based at Columbia University.


Ellen Wild, MPH

Director of Business Strategy

Ellen Wild, MPH, is the director of business strategy for The Task Force for Global Health. In this role, she provides overall strategic and operational support to The Task Force executive team in the areas of business development and capacity building. Ellen has been with The Task Force for 20 years. Most recently, she was the deputy director of The Task Force’s Public Health Informatics Institute (PHII), where she established core lines of business for PHII and provided strategic direction and oversight to PHII’s program and projects.



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