Chikwe Ihekweazu is a medical epidemiologist currently on secondment to the National Institute for Communicable Diseases, Johannesburg, South Africa. After graduating from the University of Nigeria, and working clinically for a few years, he migrated to Germany to start his public health career at the Robert Koch Institute in Berlin, Germany. He subsequently moved to the UK, where he worked for the Health Protection Agency for several years. The investigation and management of outbreaks of infectious diseases has taken Chikwe across Africa to Sudan, Zimbabwe, Lesotho, Swaziland, Nigeria, and now South Africa. He is widely published in medical peer review journals. Outside his normal work, Chikwe coordinate activities of the Nigerian Public Health Network and is on the board of the Public Health Foundation of Nigeria, (http://www.phfn.org/). He blogs on health issues in Nigeria at www.nigeriahealthwatch.com. Chikwe was a TEDGlobal Fellow in 2007.

Ike Anya is a Nigerian public health doctor and writer currently working as an NHS consultant in public health medicine in central London. A TEDGlobal Fellow (2007), he was founding secretary of the Abuja Literary Society and co edited the Weaverbird Collection of Nigerian Fiction. Co-editor of Nigeria Health Watch and co-founder of the Nigeria Public Health Network and the TEDxEuston events, he is an honorary lecturer in public health medicine at Imperial College, and serves on the Advisory Board of Doctors of the World Project: London.  A trustee of the Public Health Foundation of Nigeria and a lead partner at the General Medical Council, his writing has been published internationally.

Chika Unigwe  is a Nigerian writer,born and raised in Enugu, Nigeria. She earned a BA degree from the University of Nigeria, a post-graduate degree from the KU Leuven and a PhD from the University of Leiden in the Netherlands. In 2004 she was shortlisted for the Caine Prize Award. Her other writing awards include a BBC Short Story Award, a Commonwealth Short Story award, a UNESCO fellowship, a Rockefeller Foundation Fellowship, a Ledig House Fellowship and a HALD Denmark Fellowship.  She is published widely and has contributed non-fiction essays to the Guardian UK. Her novel On Black Sisters Street (2009, 2011 Jonathan Cape /Random House, NY) was very well received. Night Dancer will be out June 2012.

Felicia Meyerowitz is South African, and has spent 18 years working across financial services markets in South Africa, Argentina, UK and India.  The previous 11 years have been in the London and Lloyd's insurance market, starting a Lloyd's broker with a team 5 years ago. Felicia recently set up Skysure Solutions, focusing on emerging markets - low-income and mass market protection and long-term savings insurance distribution solutions, working primarily in India and Africa. The current focus relates to group and affinity distribution with channels such as microfinance firms, Cooperatives, healthcare providers and mobile and prepaid providers.  The range covers life and savings products, health microinsurance and other livelihood protection products. Felicia is a Chartered Accountant (SA) with a degree in Information Systems and Executive MBA from London Business School, specialising in Strategy and Social Entrepreneurship

Paddy Anigbo is a disciple of technology for change and founder of Diro Systems (www.dirosystems.com) a technology company that specialises in IT managed services in the public sector. Enabling change in Africa through technology keeps Paddy awake which accounts for his wide engagement with the huge African social media presence. A Chatered IT professional, Member of the British Computer Society (www.bcs.org), Paddy is a Board of Trustee Member of a number of social regeneration organisations and has been involved in producing TEDxEuston and FGCE Project Hope (www.fgce-hope.com).

Dillon Dhanecha, a previous TEDx speaker, very recently took a bold decision to close the curtain on his international consulting career in order to focus on his BAG! (Big Audacious Goal!). A passionate believer in "trade not aid", Dillon has set out on a practical mission to show how increasing Rwanda's national exports and re-investing profits in to youth development activities can lay stronger foundations for growth than the equivalent monetary injection of aid, by catalyzing creative industries that in turn attract higher levels of inward investment. Conscious of his corporate roots, he admits, "trade not aid" is not a new concept and there are others more qualified to comment on the theory. Nonetheless, he remains confident that a successful practical demonstration of his unique model will lay a well-trodden path for others to travel.

Ifeanyi  Magdalene Mbanefo works in healthcare research for a management consultancy firm in London.  Her professional background is in public health and in the past, she worked for the Health Protection Agency and also held the role of an epidemiologist in the NHS in England. Having spent most of her life living in Nigeria that is where she calls home. She is proud to be part of TEDxEuston which helps to inspire and engage Africans whilst telling the stories about the continent that most never get to hear.

Nazo Anya is a qualified lawyer with a varied experience having worked in the private, public and voluntary sectors, Naz began his working career as a Solicitor with the Channings Law Firm, Lagos, Nigeria. He migrated to administration and served as coordinator of the Employment Law Appeal Advice Scheme (ELAAS) in London. He subsequently held various management positions with the UK Ministry of Justice. He holds a post graduate diploma from the Birkbeck College, University of London and is an alumnus of the National School of Government.  Naz has an extensive programme management experience in the area of governance and human capacity development. At various times he served as auditor and member of the branch executive committee of the Public and Commercial Services Union. Naz is a Consultant to the Alpha Institute for Research in Science, Economics and Development (AIRSED) where he coordinates the Alpha Leadership Programme for Public Sector Leaders in Nigeria. He is a member of the Chartered Management Institute and British Nigeria Law Forum.

Chuks Adichie is Director of Moorgate Limited, an information technology service company based in London. He had worked for clients spanning the Media, Utilities and Finance sectors over the past 12 years. He has also been involved in service to the non profits organisations. With his background in technology, he is the member of the technical team responsible for planning, delivery and support for all technology required to deliver an event. He is very passionate of spoofing things technically and bringing the best out of them. He first became aware of the TED world after listening to a TED talk delivered by his sister at a TED Global event. Chuks has a keen interest in world affairs and is also a social media enthusiast.

Femi Sunmonu is a Nigerian Doctor, born in Lagos and educated in Scotland, the United States and London. With a bachelors degree in fine arts, a medical degree and an MBA he is a keen artist who is also committed to the improvement of healthcare in Nigeria. He is currently involved in implementing sustainable solutions for primary healthcare facilities in Southern Nigeria where he grew up. He is an avid photographer and, when time permits, a sculptor. He currently splits his time between working in haematology in London and implementing health programmes in Nigeria

Adaugo (Diggi) Amajuoyi combines her studies as a fourth year medical student at UCL with a wide variety of activites. For the last 5 years Adaugo was radio show host for UCL’s Rare FM talking about new music and interviewing musicians and DJ's. As Chief Editor of UCL's Global Health Magazine “Perspectives” she helped raise awareness of health problems both in the UK and around the globe. Adaugo has helped organise talks and social events for UCL societies such as Medsin, Rare FM and external parties.

Nkem Onyeador graduated in Medicine from the University of Bristol and is training in the sub-specialty of Paediatric Gastroenterology. She is currently involved in research into Paediatric Nutrition at UCL Institute of Child Health where she works as a Senior Clinical Research Associate.
Nkem also serves as Trainee Representative for the Medical Association of Nigerians Across Great Britain (MANSAG), setting up and currently co-ordinating the MANSAG Medical Mentoring Scheme (MMS). She is a keen fundraiser and has organised several charity balls and fun runs in aid of charities including Sickle Cell and Young Stroke Survivors and Stepping Stones Nigeria. She has also been involved in Medical Missions to Africa.

Ijeoma Ononogbu is a dual qualified lawyer, having qualified in Nigeria and England & Wales. She has a Masters in Law (LLM) from Queen Mary, University of London. A dispute resolution solicitor, with interests in commercial litigation, and alternative dispute resolution (ADR). An advocate of online dispute resolution (ODR), a form of alternative dispute resolution. Her conference papers on online dispute resolution have been widely received. A recent presentation on ADR in Accra, Ghana generated lots of media interests, especially with regards to the role of online dispute resolution in the African continent. A member of the London Court of International Arbitration.