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Toolbox  –  About the toolbox

The ReAct Toolbox Advisory Group

The ReAct Toolbox Advisory Group provides strategic and scientific advice for ReAct's work on the Toolbox. The Advisory Group is composed of renowned experts on antibiotic resistance and infectious diseases, and come from a variety of professional backgrounds and geographic locations.

The advisory group members are invited to share their views about specific Toolbox focus areas, and to highlight key developments in policy and medical practice to assist ReAct in keeping the Toolbox up to date and continuously improve content. They also act as ambassadors of the Toolbox.

Advisory group members

The advisory group is currently composed of the following members (in alphabetical order):

Dr. Delia Grace, DVM

  • Dr. Grace is an epidemiologist and veterinarian with more than 20 years’ experience in developing countries. She graduated from several leading universities and currently leads research on zoonoses and foodborne disease at the International Livestock Research Institute (ILRI) based in Nairobi, Kenya.
  • Her research interests include food safety, emerging diseases, gender studies, and animal welfare. Her career has spanned the private sector, field-level community development and aid management, as well as research. She has lived and worked in Asia, west and east Africa and authored or co-authored more than 100 peer-reviewed publications as well as training courses, briefs, films, articles and blog posts. In 2017, she was in the top five of women scientists in Kenya, in terms of citations.
  • Her research program focuses on the design and promotion of risk-based approaches to food safety in livestock products in sub-Saharan Africa and South Asia. She is also a key player on ILRI’s Ecohealth/ One health approach to the control of zoonotic emerging infectious diseases and agriculture-associated antimicrobial resistance.

Dr. Christina Greko, DVM

  • Dr. Greko is a veterinarian with a PhD in veterinary microbiology. She has worked on topics related to antimicrobial use, resistance, risk and strategies for containment for more than 20 years at the National Veterinary Institute (SVA) in Sweden.
  • She is currently initiating and coordinating a network on strategies to contain antimicrobial resistance in veterinary medicine and food (Strama VL), linking with authorities in public health and other sectors.
  • She is also responsible for collecting and analyzing statistics on antimicrobial use for SVARM; the Swedish Veterinary Antimicrobial Resistance Monitoring programme, and is an active member of working groups advising the European Medicines Agency’s work on for example the use of antimicrobials for animals (European Surveillance of Veterinary Consumption of Antimicrobials, ESVAC).
  • Dr. Greko also engages in research. She has authored or co-authored numerous peer-reviewed articles, as well as expert opinions and advice, reports, and policy documents.

Professor Rumina Hasan, MBBS, PhD, FRCPath

  • Dr. Hasan is a Consultant Clinical Microbiologist and Professor in the Department of Pathology and Laboratory Medicine at the Aga Khan University, Karachi, and an Honorary Professor at the Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, UK. Her areas of interest include tuberculosis and antimicrobial resistance.
  • She has served as Vice Chair of the Global Laboratory Initiative (2012-2014) and member of New Diagnostic Working Group (2011-2014).
  • She is currently the Chairperson of the WHO Eastern Mediterranean Regional Green Light Committee (RGLC). Dr. Hasan also served on the WHO Strategic Technical Advisory Group on Antimicrobial Resistance (STAG-AMR) 2017-2020.

Dr. Francis J Ndowa, MD

  • Dr. Ndowa is based in Zimbabwe and is a specialist in Venereology and Dermatology. He is an international consultant on surveillance and control of sexually transmitted infections (STIs), and on antimicrobial resistance in Neisseria gonorrhoeae.
  • He is the current Regional Director of the Africa and Middle East and North Africa Branch of the International Union against Sexually Transmitted Infections (IUSTI Africa-MENA).
  • He is a member of the Scientific & Technical Advisory Group of WHO Department of Sexual and Reproductive Health and Research (SRH), Geneva.
  • He is co-Director and Specialist Physician at the Skin and GU Medicine Clinic, a private clinic in Harare, Zimbabwe.
  • Dr. Ndowa has worked in the World Health Organization, Geneva, on the prevention and control of STIs, including the human immunodeficiency virus (HIV), and he has international experience in public health on STI prevention and control. He also previously worked on management of chest diseases, rheumatology and dermatology in the UK and Zimbabwe.

Dr. Uduak Okomo, MD, PhD

  • Dr. Okomo is a Clinical Research Fellow in Maternal and Newborn Health within the Vaccines and Immunity Theme, MRC Unit The Gambia at London School of Hygiene and Tropical Medicine.
  • A paediatrician and epidemiologist by training, her research focuses on maternal and neonatal health and includes studies on the aetiology, transmission and management of serious infections, antimicrobial resistance, and stillbirths.
  • Another focus of Dr. Okomo is implementation research and the use of routine healthcare data to improve quality of facility-based care. Her objective is to improve maternal, newborn and child health in sub-Saharan Africa through engagement in research aimed at informing health policy.
  • She is a visiting Consultant Paediatrician to the National Teaching Hospital and visiting lecturer in paediatrics at the School of Medicine & Allied Health Sciences, University of The Gambia. She is Chairperson of The Gambia Chapter of the West African College of Physicians and a Vice President of The College.
  • Dr. Okomo is also a member of the MRC Gambia Women in Science Working Group and helps to facilitate the advancement of young girls in biomedical and clinical research careers through public engagement activities, and as a mentor to young African scientists across the region.

Professor Yonghong Xiao, MD, PhD

  • Professor Xiao is Principal Investigator at the State Key Laboratory for Diagnosis & Treatment of Infectious Diseases, the First Affiliated Hospital, School of Medicine Zhejiang University, China. He is the founder and leader of the Chinese Ministry of Health National Antimicrobial Resistance Investigation Net (Mohnarin), and a member of the National Committee for Drug Rational Use of China.
  • Professor Xiao earned his MD in 1985 and his PhD in 1994. His area of expertise lies in infectious disease, basic and clinical research in antimicrobial agents, bacterial resistance surveillance and mechanisms, clinical pharmacology and rational use of antibiotics.
  • He has completed more than 20 national funded studies and over 50 clinical trials of new antimicrobial agents. He has published more than 350 peer-reviewed papers and 30 books, and has been a member of over 20 societies, an editor and reviewer of a number of journals.


  • The advisory group is composed of prominent experts within the field of antibiotic resistance. They come from a variety of professional backgrounds and geographic locations, to reflect the diverse settings and work that ReAct is carrying out.
  • The advisory group provides advice and suggestions to ReAct, but are not asked to endorse the content of the Toolbox nor do they see the content before it is published. Responsibility for the final Toolbox content rests entirely with ReAct.
  • Advisory group members are proposed by ReAct staff based on their expertise within specific areas related to antibiotic resistance and are approved by the ReAct Global Leadership Group.
  • Members are appointed on a pro-bono basis for a two-year term with the option of renewal.
  • Upon accepting the commitment, advisory group members must declare any conflict of interest, such as receiving financial remuneration from the pharmaceutical industry.
  • Advisory Group members also act as ambassadors of the Toolbox, sharing and spreading it within their networks.

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