Congress Speakers

Dr. Isabella Ayagah

Head, Global Health Security, Ministry of Health Kenya

Dr. Isabella Ayagah is currently with the Ministry of Health, Kenya. She has a working experience of 13 years with 8 years experience in Global Health Affairs and Diplomacy and 5 years in Health Security.

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Dr. Ira Helfand, MD

IPPNW Co-President, Massachusetts, USA

Dr. Helfand is a co-founder and past president of Physicians for Social Responsibility (PSR), IPPNW’s US affiliate, and a member of the International Steering Group of ICAN. Read More

Dr. Patrick Bigger

Lecturer in Critical Human Geography, Lancaster Environment Centre

Dr. Patrick Bigger is an economic and political geographer based at Lancaster University in northwest England.

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Dr. David Onazi

International Councilor of IPPNW Nigeria

Dr. David Onazi is the International Councilor of IPPNW Nigeria and served as a board member of IPPNW from 2010-2014. He helped create the IPPNW Nigeria Radio Project.


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Makoma Lekalakala

Director of Earthlife Africa

Ms. Makoma is the Director of Earthlife Africa, a civil society environmental justice and anti-nuclear organisation.

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Dr. Jaqueline Kitulu - MB.Ch.B, MBA

President of the Kenya Medical Association

Dr Jacqueline Kitulu is the President of the Kenya Medical Association. KMA is the umbrella professional association for doctors in Kenya.

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Marion Birch

Marion Birch worked on public health and health sector support programmes in countries affected by conflict and disasters between 1985 and 2005, mainly in Sudan, Mozambique, Angola and Sri Lanka. More recently she was director of Medact, the UK affiliate of IPPNW, for eight years. Read More

Paul Saoke

Kenya, Public Health specialist

Paul is a public health specialist and a founding member of International Physicians for Prevention of Nuclear War (IPPNW)-Kenya  Chapter and is currently vice president of the International Society of Doctors for the Environment (ISDE) for Africa.Mozambique, Angola and Sri Lanka. More recently she was director of Medact, the UK affiliate of IPPNW, for eight years.

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Carlos Umana, MD

Acting Regional Vice President -- LATIN AMERICA, Costa Rica

Dr. Umana is a general practitioner, former local health director, and epidemiological surveillance officer with the Costa Rican Ministry of Health. Acting Regional Vice President for Latin America, he is also on the ICAN International Steering Group.

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Dr. Sue Wareham, MD

Regional Vice President -- ASIA PACIFIC, President of the Medical Association for Prevention of War Australia

Dr. Wareham has been an active member of IPPNW on and off for over 20 years, having first served on the board as regional Vice-President for South-East Asia Pacific from 1996 to 2000, and again from 2014.

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Dr. Arun Mitra

MBBS; MS (ENT Surgeon) Co-President IPPNW

Dr. Arun Mitra is an Ear Nose Throat Surgeon by profession working as consultant in the city of Ludhiana in Punjab state in India.

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Dr. Tilman Ruff AO

MB, BS (Hons), FRACP, IPPNW Co-President

Co-President of IPPNW (Nobel Peace Prize 1985) since 2012, Dr Ruff is co-founder and founding international and Australian Chair of the International Campaign to Abolish Nuclear Weapons (ICAN), awarded the 2017 Nobel Peace Prize “for its work to draw attention to the catastrophic humanitarian consequences of any use of nuclear weapons and for its ground-breaking efforts to achieve a treaty-based prohibition of such weapons”.


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Andrew Feinstein

Founding Director of Shadow World Investigations

Andrew Feinstein is Founding Director of Shadow World Investigations (formerly Corruption Watch), an NGO that undertakes path-breaking investigations into cases of grand corruption, corporate malfeasance and militarism, predominantly but not exclusively in the global arms trade.

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