Congress Speakers

Angela Nambiro
Chairperson at Medical Students for Social Responsibility (IPPNW Kenya) (2021-2023)
Angela Nambiro is the chairperson at Medical Students for Social Responsibility (IPPNW Kenya) (2021-2023), final year medical student, and advocate for the ‘youth for TPNW’ movement. She ran the bike for the ‘bike for the ban’ campaign in 2022 and got the event covered across 4 TV stations. Read More

Carlos Umaña
IPPNW Co-President
Dr. Umaña is a general practitioner, former local health director, and epidemiological surveillance officer with the Costa Rican Ministry of Health. Serving as IPPNW Co-President, he is also on the ICAN International Steering Group. He is the current president of IPPNW Costa Rica, founder of Artists for Peace (2014) in Costa Rica, and president of the activist group “Peace and Diversity”.

Edwick Madzimure
President of WILPF (Women’s International League for Peace and Freedom) Zimbabwe
Edwick Madzimure, is a lady aged 32. She is on a mission to transform communities from socially constructed systems that contribute to inequality and conflict. Edwick is the founding President of WILPF (Women’s International League for Peace and Freedom) Zimbabwe and Read More

Ms Makoma Lekalakala
Director of Earthlife Africa
Ms Makoma Lekalakala is the Director of Earthlife Africa, a civil society environmental justice and anti-nuclear organisation. She has been active in social movements tackling issues from gender and women’s rights issues, economic and environmental justice issues.

Michael Christ
Executive Director
Michael first joined the IPPNW staff in 1988. He served in a variety of roles, including as director of IPPNW’s World Court Project on the legality of nuclear weapons and as program director, before being appointed executive director in 1998. Michael owes his longevity at IPPNW to his deeply held conviction that a focus on the catastrophic humanitarian consequences of nuclear war is the key to eliminating the threat they pose to civilization. Read More

Ruth Mitchell
Dr. Ruth Mitchell is a neurosurgeon and cancer researcher based in Sydney, Australia. She joined IPPNW in her first year of medical school in 2004, and has previously served as International Student Representative, Regional Vice President for South East Asia Pacific, and as Deputy Chair of the Board of IPPNW. Read More

Ulfat Pardesi
Ulfat Pardesi from India is presently studying in 4th year MBBS at Dr. Vasantrao Pawar medical college, hospital and research center. I am associated with IDPD- Indian Doctors for Peace and Development, an IPPNW affiliate. Read More

Angelika Claussen
Dr. Angelika Claussen is a specialist in psychiatry and psychotherapy, and has a Masters degree in Peace Studies. Angelika has been active in IPPNW-Germany since 1981, and was a board member of the German affiliate from 1997-2011. She has been European regional vice-president of IPPNW since 2014. Since 2019 she represents IPPNW Germany in the newly built German coalition Read More

Charles K. Johnson
Program Director
Chuck has four decades’ experience as an activist, writer, and fundraiser. As IPPNW’s nuclear program director, he is responsible for coordinating the federation’s work educating world leaders and the public on the medical and humanitarian consequences of nuclear weapons. He is an alternate for IPPNW to the International Steering Group of the International Campaign Read More

Ira Helfand
Dr. Ira Helfand is a member of the International Steering Group of the International Campaign to Abolish Nuclear Weapon (ICAN) and is a co-Founder and Past President of Physicians for Social Responsibility, IPPNW’s US affiliate.
He represented ICAN at historic intergovernmental meetings to address the humanitarian impacts of nuclear war and at key United Nations assemblies Read More

Masiku Phiri
Dr. Masiku Phiri is the Secretary General of the Zambia Medical Association (ZMA) and a Transfusion Medicine Physician serving as Regional Director of the Zambia National Blood Transfusion Service (ZNBTS). He is the newly elected African Regional Vice President and Board Member of IPPNW. He also serves as Board Chairperson of the Zambia Healthworkers for Social Responsibility Read More

Molly McGinty
Associate Program Director
Molly joined IPPNW in 2019 as a Quaker Voluntary Service Fellow and has remained on staff since the completion of the program. She was raised in suburb of Baltimore, Maryland where she first gained a passion for justice-centered work. Molly graduated from Salisbury University in 2019 with a Bachelor of Science in Social Work and Gender & Sexuality Studies. Molly has previously engaged in advocacy related to police demilitarization and anti-human trafficking policy. Read More

Sally Ndung'u
IPPNW Co-President
Dr. Sally Ndung’u is a Public Health specialist based in Kenya with background training in medicine and surgery. She is a healthcare manager working as a medical superintendent in a level IV government health facility in Kenya.

Victor Chelashow
Victor Chelashow is a 4th year medical student at Moi University in Kenya. He’s been working with the IPPNW Affiliate in Kenya – Medical Students for Social Responsibility – since 2016. He’s passionate about advocacy and medical peace work. Read More

Arun Mitra
Dr. Arun Mitra is working as consultant Ear Nose Throat Surgeon in the city of Ludhiana in Punjab state of India. He is Senior Vice President of Indian Doctors for Peace and Development (IDPD). As a medical student he was National President of All India Medicos Federation and has been actively involved in the peace movement since his student days as a member of the All India Peace and Solidarity Organization (AIPSO). Read More

David Onazi
David Onazi is a Senior Medical Practitioner working with a private hospital based in Abuja Nigeria. He also serves as the International Councilor for Society of Nigerian Doctors for the Welfare of Mankind (SNDWM)- the Nigerian affiliate of IPPNW since 2014. Read More

Kati Juva
Dr. Juva is a specialist in Neurology and University lecturer in Helsinki University Central Hospital, Division of Psychiatry. Her main topics are memory disorders and neuropsychiatry. She has made research on risk factors and epidemiology on dementia. She has also written and edited textbooks on these fields.

Marion Birch
Marion Birch worked in public health and health service support programmes in countries affected by armed conflict and disasters for 20 years, principally in Sudan, Mozambique, Angola and Sri Lanka. This included working with national and local services and community initiatives in urban, camp and rural settings, sometimes in complex and volatile conflict environments. Read More

Paul Saoke
Dr. Paul Saoke MD, MPH is leading consultant in HIV/AIDS, Health and Environment and, Chemicals and Health. He has worked on these issues for more than 30 years. In 1992 with colleagues in the Department of Pediatrics, he pioneered the landmark study on “Perinatal transmission of HIV/AIDS” at the Kenyatta National Hospital. This culminated in the policy adopted by WHO and UNICEF on Prevention of Mother to Child HIV/AIDS (PMTC).

Tilman Ruff
Dr. Tilman Ruff AO is an infectious diseases and public health physician. He is Honorary Principal Fellow in the School of Population and Global Health, University of Melbourne. Dr. Ruff has been a Co-President of IPPNW since 2012. Read More

Yusuf Dominic
I am Yusuf Dominic, a fourth year medical student at the University of Maiduguri, Nigeria. I am a current Co-ISR (International Students Representative) of IPPNW. I joined IPPNW in 2018 at a Global Health Training organized by the Society of Nigerian Doctors for the Welfare of Mankind (SNDWM) the Nigerian affiliate of IPPNW at Kano Nigeria. Read More