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Headquartered in Washington DC, our team includes a growing collective of scientists, physicians, and subject-matter experts spanning the domains of public policy, global health, sustainable development, and national security.


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Jason Rao, PhD

Executive Director & Advisory Chair

Jason is the Executive Director and Advisory Chair of HSP, as well as adjunct faculty at the Cornell University, teaching global health, national security and diplomacy. He is a recognized thought leader of global health security policy and programs.  Jason previously served as Senior Policy Advisor to President Obama, in the White House Office of Science and Technology Policy where he contributed to the President’s Global Science Engagement, Global Health Initiative, and Biological Threat Reduction policy and program efforts. He is the founder of the U.S. Department of State’s Biosecurity Engagement Program (BEP), launched in 2006 during his tenure with the State Department, Office of Cooperative Threat Reduction (2002-2009). Jason was a Brookings Legis Fellow, serving in the 111th Congress, working on the Homeland Security and Government Affairs Committee. In 2011, Jason left government to pursue work in the non-profit sector as the Senior Director for Innovation and International Affairs at the American Society for Microbiology. He holds a PhD in Biochemistry, Cellular and Molecular biology from the Johns Hopkins School of Medicine, and has 20 years’ experience in public health, foreign affairs, national security, biological threat reduction and science policy. Jason has worked extensively in, and maintains active collaboration with South and Southeast Asia, all regions of Africa, Middle East North Africa, Central Asia, and Latin America.

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Prasad Kuduvalli, PhD

Director of Scientific Programs & Engagement

For over ten years, Prasad has advanced health systems strengthening, health security and science diplomacy efforts worldwide. He is focused on expanding life sciences collaboration, particularly with isolated communities, for sustainable development. He holds a Ph.D. from Johns Hopkins University.

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Lauren Williams

Director of Operations and Management

As the Director of Operations and Management, Lauren helps oversee operational and administrative functions as well as execute a range of activities in the grant programs portfolio. She has nearly ten years of experience managing public health and national security projects and programs for the public, private, and academic sectors.
After completing her M.S. in Public Health Microbiology and Emerging Infectious Diseases from the George Washington University’s School of Public Health, she supported a wide-range of public health activities. At the Association of Public Health Laboratories (APHL), she liaised between state and local public health laboratorians and their Centers for Disease Control and Prevention (CDC) counterparts on infectious disease testing issues. She then went to oversee an operational biosurveillance team that tracked and analyzed global human and animal disease events through open source media, followed by co-managing a CDC-funded contract that used health insurance claims data to study vaccine safety issues.
Lauren also brings knowledge of federal regulations and administrative oversight. She spent two years at the Department of Homeland Security (DHS), where she facilitated reviews of biological and chemical projects and activities for compliance with relevant treaty regulations and weapons conventions. Most recently, she served as the Director of Operations at the National Consortium for the Study of Terrorism and Responses to Terrorism (START) at the University of Maryland where she operationalized a team of 60 full-time faculty working on a $12 million funded research portfolio that examined the social science aspects of terrorism.

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Jessica McLean

Senior Program Manager

Jessica works in collaboration with scientific partners in South Asia and the Middle East to implement HSP’s education, training, and capacity building programs. Prior to joining the HSP team, she worked at the American Society for Microbiology to advance education, laboratory strengthening, health security, and science diplomacy efforts around the globe, with a specific focus on Yemen and Malaysia. She brings experience working in partnership with local sister societies, academic institutions, and national laboratories to implement public health and biosafety capacity building programs through developing in-service training and mentoring activities.

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Alle Taylor

Senior Program Manager

Alle Taylor came to Health Security Partners after four years with the American Society for Microbiology, where she developed and managed programming in science diplomacy and public health capacity building in more than 50 countries. Prior to that, Alle supported emergency operations for the U.S. Department of Agriculture where she gained an appreciation for the far-reaching consequences of animal disease outbreaks on health, trade, and the environment. Alle received a master’s degree in public health microbiology and emerging infectious diseases from George Washington University and holds certifications in public procurement. Alle is responsible for HSP’s work supporting the Global Health Security Agenda, specifically efforts to combat antimicrobial resistance and the spread of zoonotic disease in South Asia and East Africa. She is based in Seattle, Washington.

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Trish Westenbroek

Senior Program Specialist

After completing her M.Sc. in Agricultural Development from the University of Aberdeen, UK, Trish supported a wide-range of agricultural development activities in the university extension system in Maine and New York. At Cornell Cooperative Extension, she operated as a pathogen control specialist for the NYC Watershed Agricultural Program focusing on prevention and mitigation of waterborne pathogens.  As an outreach specialist, Trish consulted with over 500 farms to address animal health, production, and environmental issues over the span of her career. She then went on to serve as an Agricultural Advisor in the Western Region of Afghanistan for the U.S. Department of Agriculture and as the Afghanistan Program Coordinator at the U.S. Embassy Kabul for biosecurity programming.

Most recently, Trish has been working in the non-profit sector administering a $35 million cooperative agreement for the U.S. Department of Agriculture in international programs that includes study tours, research and scientific exchanges.

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Javed Khan

Program Director – Pakistan

Javed Khan serves as Program Director for HSP’s OneHealth work in Pakistan, and supports various health security projects in Libya, Iraq and Afghanistan. Previously, Javed worked at Relief International where he pioneered the organization’s bio-engagement and One Health programs and led these programs in Pakistan, Afghanistan, Yemen, Bangladesh, Nepal, and Somalia. Javed has 22+ years of professional experience in various disciplines including agriculture, livestock management,  One Health, biorisk management, and wildlife  conservation worked with various NGOs, environmental agencies, academia, and government bodies in Pakistan, Bhutan, Nepal, and the United Kingdom.  Javed also worked for World Wide Fund for Nature (WWF), where he was responsible for managing a program for large carnivores and snow leopard conservation. He has the distinction being part of scientific mission that put a first ever GPS collar on a snow leopard in 2006.

Javed has a post-graduate degree in veterinary sciences and animal husbandry and studied dairy sciences in the Netherlands. He is fellow of the U.S. Montana-based Property and Environment Research Council and member of the International Union for Conservation of Nature cats specialist group. He is fluent in Pashto and Urdu.

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Samreen Sarwar

Technical Advisor - Pakistan

Samreen is the technical advisor for Health Security Partners’ programs in Pakistan, which are being executed in collaboration with different national and international organizations to strengthen health security in Pakistan. Samreen is also a reviewer for different grant applications and fellowship programs. She has received two gold medals, several distinctions and the “Best B. Sc Medical Technology Student Award” in her academic career. Samreen is also a qualified ISO 15189 assessor of Pakistan National Accreditation Council and has worked as a coach and master trainer with the Pakistan Biological Safety Association.  Additionally, she has worked in clinical microbiology diagnostic laboratories for more than four years, and is former ASM Young Ambassador to Pakistan (2013 – 2016) and Young Leader of ASM Young Leader Circle. Samreen has also published a chapter on tuberculosis with a well-known publisher in the USA, has organized more than fifty workshops, and is a 2015 health security futures fellow!

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Jacob May

Health Security and Diplomacy Associate

Jacob recently joined Health Security Partners in January of 2020. He graduated Phi Beta Kappa from Cornell University in 2019 with a Bachelor of Arts in Government, as well as minors in Public Policy and Law & Society. While at Cornell, Jacob interned at a civil/human rights NGO, studied Arabic, and took a course called “Global Health Security and Diplomacy” which solidified his interest in the fields of public policy, international relations, and global health. As a Health Security and Diplomacy Associate, his time at HSP has been focused on supporting the development, management, and execution of HSP’s country-specific programs, as well as event coordination and administrative support.

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Libby Cha

Program Manager

As a Program Manager, Libby supports Health Security Partners’ work throughout the world, with a focus on program support and project development in South East Asia and the Middle East. In addition, she is also responsible for the design and management of virtual curriculum on the principles and practices of global health security for HSP’s fellowship programs. Libby came to Health Security Partners in 2019, following a semester internship in 2018. She graduated from Cornell University with a B.S. in Global and Public Health Sciences, with a minor in Policy Analysis and Management with a concentration in Health Policy.

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Grayson Moore

Communications Director

Grayson joined Health Security Partners in March. Previously, he worked for two congressional offices on Capitol Hill. During his tenure on the Hill, he was responsible for a wide variety of communications work, including developing strategies and messaging to positively reinforce his principals’ image and promote their legislative work. Grayson holds a Masters of Arts in Strategic Communication/Public Relations and a Bachelors of Arts in Interpersonal Communication. At HSP, Grayson is responsible for overseeing and executing all media relations efforts, as well as developing content for both social media and the website.

Expert Collaborators

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Dr. Nagi AL-Hajj

Dr. Nagi AL-Hajj serves as an Associate Professor of Medical Microbiology, Faculty of Medicine and Health Sciences at Sana’a University in Yemen. He was appointed as a consultant of Molecular Lab Diagnosis and Director of Infection Control and Prevention at 48 Model Medical Compounds across Sana’a, Yemen. Dr. Nagi has supported HSP as a consultant for the Health Security Futures Fellowship in Yemen, and for a Synthetic Biology Survey in Malaysia. He also served as a consultant for the American Society for Microbiology (ASM), in which he conducted an Assessment of Laboratory Conditions and Pathogen Security in Yemen. Dr. Nagi is focused on nanotechnology of drug delivery (Solid lipid nanoparticles (SLNs) and nanostructured lipid carriers (NLCs), antimicrobial resistance, molecular biology & synthetic biology, biosafety & biosecurity, risk assessment, waste management and SOP of Yemeni Public Health Laboratories. Additionally, Dr. Nagi is the president of the Yemeni Society for Microbiology (2014- present), and former ASM Ambassador to Yemen (2012 – 2017). He has organized many scientific workshops, meetings and seminars. He holds a Ph.D. from University Putra Malaysia, and completed two years as a Postdoctoral research Fellow.

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Dr. Mohammadullah Dauran

Dr. Mohammadullah Dauran is a local consultant for HSP based in Afghanistan. He is a medical doctor, has completed his Masters of Public Health (MPH), MBA in Hospital Management and a Fellowship in Molecular epidemiology at Penn State University. Dr. Dauran has worked for the United Nations, Ministry of Public Health Afghanistan, and various domestic and international organizations in Afghanistan, including:

  • World Health Organization (WHO) as Mass Casualty Incident Management and Trauma Care Officer
  • CURE International Hospital (USA based NGO) as Director of Clinical Services
  • Ministry of Public Health Afghanistan as Deputy Director of Non-Communicable Diseases
  • Health Net-TPO as Hospital Director for Paktia Regional Hospital (PRH) Afghanistan
  • SCA, Ministry of Public Health as Hospital Director for Maidan Shahr Provincial Hospital
  • Family Health Organization for Afghanistan (National NGO) as Executive Director for INL and UNODC Projects
  • Aide Medical International (French NGO) as Basic Package of Health Services (BPHS) Project Manager
Picture of Dr. Farooq Tahir

Dr. Farooq Tahir

Dr. Farooq Tahir is working as Health Security Partner’s Technical Advisor on One Health in Pakistan, coordinating One Health activities. He is working on development of key policy documents related to One Health and building intersectoral coordination between human, animal, and environmental health partners. Before joining HSP, Dr. Farooq worked with the Government of Punjab, Pakistan as a disease surveillance officer. He has seven years of professional experience in disease surveillance, outbreak handling, prevention and control of infectious diseases of livestock and public health importance. Dr. Farooq is a graduate in veterinary medicine with a post-graduate degree in veterinary microbiology. His research focus is on zoonotic diseases including Avian Influenza and Salmonella.

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Dr. Fanaye Delessa Dadi

Dr. Fanaye Delessa Dadi is a healthcare professional with more than twenty years of international medical and public health experience. Dr. Dadi has experience working in areas with diverse groups of people, ethnically and linguistically. Working as a healthcare professional, she has dedicated her time to prevent, control, and treat communicable and non-communicable diseases. Having completed her medical education in Cuba, she went on to practice general medicine in Eastern Africa, mainly Ethiopia and Djibouti. In 2013, Dr. Dadi received her MPH at the Brown School of Public Health at Washington University in Saint Louis. She has since then worked on developing and implementing health literacy and health education programs for minority communities within the United States, and in parts of Ethiopia. As a public health professional with extensive clinical experience in various cultural settings, she collaboratively published a clinician’s guidance document on how to spot victims of human trafficking in healthcare settings. The document is partly adopted by the State of Wyoming.

Picture of Dr. Abdul H. Chagla

Dr. Abdul H. Chagla

Dr. Abdul H. Chagla received his PhD in microbiology from University of Wales, UK, then carried out his post-doctoral research at the National Institutes of Health, USA and accepted a research associateship at the University of Toronto, Canada.

Prior to his retirement in 2009, Dr. Chagla worked for 30 years as a clinical microbiologist, mostly as a Laboratory Director with Ontario Ministry of Health – Public Health Laboratories in London and Windsor Ontario. He taught Public Health Microbiology at the University of Western Ontario and is certified as a Diplomat by the American Board of Medical Microbiology. He is also a Fellow in Clinical Microbiology (FCCM) of the Canadian College of Microbiologists.

In his post-retirement career, Dr. Chagla has served as a consultant with the American Society for Microbiology, Association of Public Health Laboratories and Health Security Partners, working on numerous projects in under-resourced countries, ranging from training and mentoring in clinical microbiology, laboratory capacity building, facilitating workshops on various topics including antimicrobial resistance, audit and lab assessments, transportation of dangerous pathogens and applying biosafety practices in laboratories.

Advisory Board

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Sanjana Patel


Sanjana is a Secretary on the Advisory Board for Health Security Partners (HSP). She is an MBA candidate at Northwestern University Kellogg School of Management, where she is concentrating in impact investing through her coursework and MBA internship at the United Nations Development Programme (UNDP). Previously, Sanjana was the Founding & Managing Partner at HSP where she managed operations and oversaw the development and growth of the organization’s grant portfolio and team. 
Prior to HSP, Sanjana worked at the American Society for Microbiology (ASM), where she coordinated ASM’s global science engagement programs, as well as served as an editor of Cultures magazine, for which she is now a member of the advisory board. She has also played leading roles in innovative global health and social entrepreneurship initiatives, including GlobeMed, Social Business Consulting, Volunteer Connection Project, and Arogya World. 
Sanjana is a graduate of Cornell University and holds a Bachelors of Arts in Biology & Society with a concentration in global health and development.
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Michael Callahan, MD


Michael is board-certified in infectious diseases, internal medicine, and tropical medicine, and carries a Command Physician rating for disaster medicine. He has responded to five Ebola and Marburg outbreaks. He previously led the Defense Advanced Research Projects Agency (DARPA) biodefense research portfolio that developed biodefense countermeasures and detection systems for the U.S. government. Michael’s academic appointment is at the Division of Infectious Diseases at Massachusetts General Hospital/Harvard Medical School. He is guest clinical faculty at the WHO Center for Emerging Diseases at Chulalongkorn University Hospital in Bangkok and at the University of Panama Medical Center. In 2011, he became the President and Chief Medical Officer of Unither Virology, a biotechnology company that has developed broad-spectrum host-based antiviral agents against dengue and influenza that are currently in clinical trials. When not repairing his backhoe, he is advising the World Health Organization, the U.S. Department of Defense, and the World Bank on health security issues in Asia and Africa. He lives with his wife Shannon and boys Quinn and Cash in the mountains above Boulder, Colorado.

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Joseph Fair, PhD

Joseph is field virologist and business entrepreneur seeking both scientific and business opportunities globally. Specifically, he examines the human-animal interface at global “hotspots” for zoonotic disease transmission in Africa, Asia, and South America. In addition to his research portfolio, he provides scientific consulting services to both the U.S. government and private sector entities. Joseph has a combined 12 years experience in infectious diseases and has lived and worked in West and Central Africa, as well as Eastern Europe, where he developed self-sustaining public health and research programs in emerging infectious diseases. He has a combined PhD in molecular biology and MPH in tropical medicine, as well as a Bachelor’s degree in microbiology and trained under Nobel Laurette, Francoise Barre-Sinoussi at the Institut Pasteur.

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Darien Webster

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Sarah Allibhoy

Sarah is a Systems and Programme Development Fellow for the Aga Khan Foundation (AKF), where she has worked on grant management and resource mobilization for projects in South and Central Asia and East Africa across many sectors including economic development, civil society, health, and built environment. Currently for AKF in Tanzania, she supports program development and implementation primarily on market development for agricultural value chains. Sarah holds a B.S. in Development Sociology and International Relations from Cornell University where she completed research on U.S. foreign aid allocation and efficacy in Afghanistan and Pakistan.