Meet Our Speakers

Prof. Dr. Charlotte Marie Niemeyer

Professor Dr. Charlotte Marie Niemeyer

Division of Paediatric Hematology and Oncology,

Department of Paediatrics

University Medical Center Freiburg

The Department of Paediatric Haematology and Oncology at the University Freiburg Medical Center provides care for children and adolescents with blood diseases and tumours. The department is a member of the Comprehensive Cancer Centre Freiburg and has various specialists among their medical staff as well as the latest most advanced diagnostics and therapeutics to provide the patients with the best treatment.

Under the leadership of Professor. Dr. med. Charlotte M. Niemeyer, research at the Department is focused on myelodysplastic syndrome (MDS) in children and adolescents, acquired and inherited bone marrow failure disorders, syndromes predisposing to hematopoietic neoplasia, primary immunodeficiencies and juvenile myelomonocytic leukemia (JMML). The Department has an integrated diagnostics unit and offers allogeneic bone marrow transplantation and cellular therapies.  

Dr. Pasquale Mario Barbaro

Dr. Pasquale Mario Barbaro

Paediatric Haematologist
Queensland Children’s Hospital, Brisbane

Pasquale Barbaro is currently a Paediatric Haematologist at the Queensland Children’s Hospital in Brisbane Australia. He has an interest in the diagnosis and management of inherited bone marrow failure syndromes and has completed a PhD through the University of Sydney, on Telomere biology and the effect of telomere length on outcome in paediatric cancer. Pasquale has been associated with publication on short telomere disorders, genetic diagnosis of inherited bone marrow failure syndromes as well as other non-malignant paediatric haematology. His other main area of interest in Haemoglobinopathies, and he is a member of the Sickle Cell Australia working group developing national guidelines for the management of patients with Sickle Cell Disease. His other areas of interest include congenital thrombocytopenia, bleeding disorders and thrombosis. 

Prof. Dr. Paul Imbach

Professor Dr. Paul Imbach

Paediatric Oncologist-Haematologist
University Children’s Hospital, Basel

Paul (August) Imbach, paediatric oncologist-hematologist, graduated 1972 as MD in Switzerland. He structured the Swiss Paediatric Oncology Group SPOG, he performed the first autologous stem cell transplantation in Switzerland 1978, he discovered the immunomodulatory effects of human immunoglobulin G concentrate IVIG in childhood ITP (Lancet 1981;1:1228-31).

1990 he was called to the university children’s hospital Basel, where he started allogenic transplantation in children. He was selected as head of paediatric oncology-hematology. He was elected as full professor and, 1997-2002 as dean of education introducing a thorough medical curriculum reform at the medical faculty of the University Basel. In parallel he co-founded the International Cooperative ITP Study ICIS group, with over 90 centers worldwide till today ( He received the internal medicine award Hans Huber prize and the Guido Fanconi Prize, the highest award of the Swiss Society of Paediatrics.

He served as president of medical societies and foundations and as a member of medical editorial and reviewing boards. 

He published over 300 peer-reviewed articles, a textbook “Paediatric Oncology - a comprehensive guide” in German and English languages as well as many textbook articles. Recently he edited the Springer book ‘Antibody Therapy: Substitution – Immunomodulation – Monoclonal Immunotherapy. Both books are among the top 25% most downloaded eBooks.

Dr. Nor Hafizah Ahmad

Dr. Nor Hafizah Ahmad

Head of Clinical Transfusion Division,
Transfusion Medicine Specialist
National Blood Centre, Kuala Lumpur

Dr. Nor Hafizah Ahmad is a Transfusion Medicine Specialist who is currently the Head of Clinical Transfusion Division in National Blood Centre, Kuala Lumpur. She graduated from University Science Malaysia in year 2004 and completed her specialist training in M.Med Transfusion Medicine in year 2013 from Advanced Medical Dental Institute, USM. She is an active member of Malaysian Blood Society of Transfusion and her special interest is in the field of Immunohematology and Clinical Transfusion. She is currently appointed as Honorary lecturer for M. Med Transfusion Medicine Program in Advanced Medical Dental Institute, USM and regularly involved in conducting training around the country for Immunohematology and Patient Blood Management courses. She had also been invited as speaker in various conference in local and national level. Currently she is doing her subspecialty (area of interest) in Patient Blood Management/Clinical Transfusion field.


Professor Dr. Raja Zaharatul Azma Raja Sabudin

Professor of Pathology 
Consultant Haematologist at the Department of Pathology

Universiti Kebangsaan Malaysia

Raja Zahratul Azma Raja Sabudin is a professor of Pathology, Consultant Haematologist at the Department of Pathology, and also the current Head of Department of Pathology and Head of Molecular Unit. She received her honours degree in medicine from the Malaya University in 1994. She joined the Department of Pathology after completing her master degree in Pathology (Haematology) from Universiti Kebangsaan Malaysia in 2004. She has led multiple research projects in the field of haematology covering a wide variety of topics.  Her main scientific interests are in blood cell disorders and molecular genetics of haematology diseases with her current research centred around red cells, thalassaemia, G6PD deficiency and leukaemia. She has authored a number of publications related with her researchs. She had been invited to deliver lectures on her research areas at both national and international levels.  Apart from that, she is also one of the editorial board members and reviewers of several local and international journals.  Dr. Raja Zahratul Azma is a member of several Pathology and Haematology Societies such as College of Pathologists, Academy of Medicine; Malaysian Society of Haematology, Malaysia Blood Transfusion Society, Malaysia Society of Human Genetics, Human Variome Project Malaysian Node & South-East Asian Node and also Member of Executive Committee for Global Globin Network (international thalassaemia research network).

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Dr. Rajat Bhattacharyya

Senior consultant
Paediatric Haematology Oncology Service
KK Women’s & Children’s Hospital, Singapore 

Dr Rajat Bhattacharyya is a senior consultant at the Paedatric Haematology Oncology Service of KK Women’s & Children’s Hospital and at the SingHealth Duke-NUS Blood Cancer Centre, Singapore. 

Dr Bhattacharyya earned his MBBS and postgraduate MD degree in Paedatric from Medical College of Kolkata, India. He then dedicated his next 14 years in pursed further training in Paediatric and Haematology in across the UK and subsequently join the fellowship at BC Children’s Hospital Vancouver, Canada, prior to joining as a consultant at the KK Women’s & Children’s Hospital, Singapore. 

Dr Bhattacharyya has over 18 years of experience exclusively in haematology oncology and bone marrow transplantation. Dr Bhattacharyya has been leading the haploidentical stem cell transplant programme at KK Women’s & Children’s Hospital since 2014. He has been actively involved in the implementation of cutting-edge cellular therapy service and contributing continual effort as part of a greater team in expending laboratory support for improving clinical care.

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Dr. Julian Sevilla Navarro

Haematoloy and Haemotheraphy Specialist
Hospital Infantil Universitario del Niño Jesús, Madrid

Dr Julian Sevilla Navarro obtained his PhD Medicine by Universidad Autónoma de Madrid, graduated in Medicine and Surgery by the Complutense University and specialist in Hematology and Hemotherapy. He is currently working as a Hematology and Hemotherapy Specialist at the Hospital Infantil Universitario del Niño Jesús in Madrid, where I am senior clinical consultant of the Paediatric Hematology and Oncology Department, and responsible for the Transfusion Service. 

As responsible for the Transfusion Service of the Niño Jesus Children’s University Hospital, his team works in coordination with the center's Hematopoietic Transplant Unit, with the entire program accredited by international quality standards (JACIE); and participating in international registries such as the European Group for Blood and Marrow Transplant registry or the International Bone Marrow Transplant Registry (IBMTR). The experience of his team is extensive in the different strategies of transplantation and the manipulation of collected progenitor cells "ex vivo" to minimize the toxicities related to it. This extensive experience in the collection of hematopoietic progenitors and their subsequent manipulations has been disseminated by international scientific presentations and publications. 

On the other hand, Dr Sevilla’s main clinical and scientific activities focus on the development of diagnostic tools and new treatments in different marrow failures and other forms of cytopenia in paediatric patients. His current research focuses on the development of clinical trials for the treatment of these diseases. I am deeply involved in the research of new approaches of treatment for these rare disorders mainly focus on advance therapies. All this has allowed the start of the first Spanish clinical trial of Gene Therapy with transduction of hematopoietic progenitors, developed in close collaboration with the Division of Innovative Therapies in the Hematopoietic system of CIEMAT (Center for Energy, Environmental and Technological Research) for the treatment of Anemia of Fanconi. But he is also involved in the development of a new lentiviral vector for the gene therapy of pyruvatokinase deficiency anemia. However, his team has also recently participated in commercial pivotal trials for drug development in other paediatric diseases as ITP or Primary Hemophagocytic Lymphohistiocytosis. 

He is a member of the European Hematology Association, the Spanish Society of Hematology and Hemotherapy, the Madrid Association of Hematology and Hemotherapy, and the Spanish Society of Paediatric Hematology and Oncology. Representative of the latter in the European Working Group of Myelodysplastic Syndromes (MDS) in Childhood (EWOG). He is also an author of over 140 articles in scientific journals, dozens of book chapters, and with more than 1,200 citations and an H index of 26. 

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Professor Dr. Hany Ariffin

Head and Senior Consultant at the Paediatric Haematology-Oncology

and Blood & Marrow Transplantation Unit

University of Malaya Medical Centre, Kuala Lumpur

Professor Hany Ariffin is Head and Senior Consultant at the Paediatric Haematology-Oncology and Blood & Marrow Transplantation Unit of University of Malaya Medical Centre in Kuala Lumpur.
She is a member of the paediatric oncology accreditation committee for the National Specialist Register, chair of the VIVA-Asia Bone Marrow Transplantation Consortium, co-chair of the Asian Childhood Cancer Alliance and a past president of the Malaysian Society of Paediatric  Haematology-Oncology

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Dr. Asohan Thevarajah

Consultant Paediatric Haemato-Oncologist 
Hospital Wanita dan Kanak-Kanak Sabah

Dr. Asohan Thevarajah is currently a Consultant Paediatric Haemato-Oncologist in Hospital Wanita dan Kanak-Kanak Sabah. He obtained his undergraduate MBBS degree from University of Malaya in 1993 and later, completed his postgraduate training with the Royal College of Physicians of Ireland (MRCPI) in 2003. He continued his subspecialty training in Paediatric Haematology and Oncology in Institut Pediatrik Hospital Kuala Lumpur, focusing mainly on haematopoietic stem cell transplant. Despite his heavy schedules, he is also actively involved in community outreach activities to increase the awareness on childhood cancer and thalassaemia in Sabah