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Management Team

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The Union's Management Team, headed up by the Executive Director, comprises the Heads of Managed Units, Scientific Departments and Country Offices, as well as a core team of Central Services.

Guy Marks

subtitle: Interim Executive Director, The Union

Category: Tile

Prof Guy Marks is an Honorary Professor of Medicine, University of New South Wales (Australia). An expert on asthma and airway disease, he leads a TB research programme with Viet Nam's National TB Programme. He has been active in The Union since 1993.

Aissa Aridj

subtitle: Chief Financial Officer - Central Services

Category: Tile

Aissa Aridj brings over 20 years of finance experience to his work at The Union.

Nathalie Emaille-Léotard

subtitle: Global Director of Human Resources - Central Services

Category: Tile

Nathalie Emaille-Léotard, MBA, MIM, became Global Director of Human Resources in 2013 after more than 15 years as an international consultant, helping companies align their business and human resources strategies.

Dr Ajay Kumar

subtitle: Director, Department of Research - Managed Units

Category: Tile

Dr Ajay Kumar is a seasoned Public Health Practitioner with over 15 years of experience in low- and middle-income settings. He has worked for WHO-India as a consultant for providing technical assistance to the Government of India’s National Tuberculosis Programme, particularly in leading TB-HIV co-ordination activities. He is an author/co-author of over 170 publications, with many contributing to a change in policy/practice and has facilitated over 75 national and international courses.

Cathy Ditchfield

subtitle: Director of Membership - Managed Units

Category: Tile

Cathy has over 15 years of experience in membership, marketing and communications. Having recently been Director of Membership for the Royal Institute of British Architects and UK Youth, she has a successful track record of cultivating communities and engagement programmes to enable member organisations to flourish. Cathy has rich experience of modernising and redeveloping membership offers and structures to fit evolving financial landscapes and to support organisational growth.

David Jackson

subtitle: Director of Conferences - Managed Units

Category: Tile

David Jackson has an extensive background in international events management and communications for the third sector and non-profit bodies, including environmental, agricultural and arts organisations. He brings to The Union a wealth of experience and a collaborative leadership style that has ensured the successful creation and management of a broad range of live flagship events.

Hugh Blackbourn

subtitle: Director of Publications - Managed Units

Category: Tile

With more than 20 years of experience in publishing, Hugh has a strong track record in assisting publishers to improve the performance of their journals, including their scientific impact, financial performance, author services and sponsorship opportunities. He has worked as the Publisher for Nature Journals and Nature Reviews Journals; the Head of Publishing for the Wellcome Trust; and advised a range of publishers (including Oxford University Press, Company of Biologists and the British Medical Journal) on a broad array of online and print initiatives.

Marianne Gaye-Ayrault

subtitle: Global Training and Education Director - Managed Units

Category: Tile

Marianne Gaye-Ayrault has over 15 years of experience in higher education, business development and marketing, as well as strategic consulting and fundraising. Ms. Gaye-Ayrault holds an MBA from Georgetown University, McDonough School of Business in Washington, DC and a B.A. in Business Administration from the MBA Institute, part of the Groupe INSEEC in Paris, France.

Dr Gan Quan

subtitle: Director of Tobacco Control - Scientific Departments

Category: Tile

Dr Gan Quan completed his PhD in Public Health and a post-doc on tobacco control research. Since 2009, he has managed China’s Bloomberg Initiative tobacco control grants, developed campaigns and conducted policy research. He became Director of The Union China Office in 2014 and Director of the Tobacco Control Department in 2017.

Dr Grania Brigden

subtitle: Director, Department of Tuberculosis - Scientific Departments

Category: Tile

Before working with The Union, Grania was TB and AMR Advisor for the Médicins Sans Frontières Access Campaign to develop and implement the core priorities of the TB Dossier. Prior to MSF, Grania worked in Uganda with Voluntary Services Overseas at the International Hospital Kampala and Reach Out Mbuya, a non-governmental organisation, and in Banda Ache, Indonesia with Medic Global Sikhs/Waves of Mercy.

Professor Kevin Mortimer

subtitle: Director, Lung Health - Scientific Departments

Category: Tile

Professor Kevin Mortimer went to medical school at the University of Cambridge and did a PhD at the University of Nottingham. He moved to the Liverpool School of Tropical Medicine in 2011 as Senior Clinical Lecturer and Honorary Consultant in Respiratory Medicine at Aintree University Hospital NHS Foundation Trust. He is co-Deputy Director of the NIHR Global Health Research Unit on Lung Health and Tuberculosis in Africa at LSTM and was co-Principal Investigator in the Cooking and Pneumonia Study.

Charlotte O'Sullivan

subtitle: Director, The Union Myanmar Office - Regional Offices

Category: Tile

Charlotte leads the The Union's Myanmar Office.

Marta Budziak

subtitle: Head of The Union Edinburgh Office - Regional Offices

Category: Tile

Marta has been working for The Union since 2007. Marta oversees the management of The Union Edinburgh Office and the day-to-day running operations. She has played an important role in the growth of the tobacco control activities, providing advice and support to the technical departments, and building strong relations with donors. Marta is also Project Controller for Bloomberg Tobacco Control projects of The Union and works closely with the finance and technical department teams as well as the regional and country offices on tobacco control projects.

Tara Singh Bam

Tara Singh Bam

subtitle: Director, The Union Asia Pacific Office - Regional Offices

Category: Tile

Tara Singh Bam has 25 years’ experience in policy development, programme management, research and evaluation in tuberculosis and tobacco control, prevention of non-communicable diseases (NCDs) and health system strengthening across Asia Pacific. The WHO Director-General nominated him as a member for the WHO Civil Society Working Group on NCD. He holds Master degree in Public Health and Doctorate Degree in Health System Development.

Dr Kuldeep Singh Sachdeva

subtitle: Director, The Union South East-Asia Office - Regional Offices

Category: Tile

Dr Kuldeep Singh Sachdeva is a medical doctor (MBBS) with over 32 years’ professional experience within the Indian government health system. He provides leadership and management to all Union programme activities of the South-East Asia Office.

Throughout his career, he has played an important role in strengthening health systems, promoting Public-Private Mix in tuberculosis (TB) Control, supporting TB collaborative activities with HIV, Tobacco, Diabetes, Paediatric TB, and the scaling up of programmatic management of drug resistant TB.

Prof Anthony Harries

subtitle: Senior Advisor, Research - Guest

Category: Tile

Prof Anthony D Harries spent over 20 years in sub-Saharan Africa, working on TB, HIV/AIDS and TB-HIV. Author of hundreds of published papers, in 2008, he joined The Union to launch the Department of Research.

Dr Riitta Dlodlo

subtitle: Senior Advisor - Guest

Category: Tile

Dr Riitta Dlodlo, MD, MPH, has worked in both clinical and programmatic TB, TB-HIV and management of health services and projects for over 30 years in Zimbabwe and other sub-Saharan African countries. Having joined The Union in 2003, she has served as TB-HIV programme coordinator and Director of the Department of TB and HIV from 2015 to mid-2019, when she was appointed Senior Advisor.