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William Haseltine

William A. Haseltine

Chair and President

William A. Haseltine, PhD, is the chair and president of ACCESS Health International, a nonprofit organization he cofounded in 2007. Dr. Haseltine has an active career in both science and business. He was a professor at Harvard Medical School and Harvard School of Public Health from 1976 to 1993, where he was founder and the chair of two academic research departments, the Division of Biochemical Pharmacology and the Division of Human Retrovirology. He is well known for his pioneering work on cancer, HIV/AIDS, and genomics. He has authored more than two hundred manuscripts in peer reviewed journals and is the author of several books, including Affordable Excellence: The Singapore Healthcare Story and Every Second Counts: India’s Emergency Response System.

He is the founder of Human Genome Sciences, Inc., and served as the chairman and CEO of the company until 2004. He is also the founder of several other successful biotechnology companies. He is chairman of the Haseltine Foundation for Science and the Arts. and of the US-China Health Summit. He is a member of the advisory board of the IE University, Madrid. He is also a Lifetime Governor of the New York Academy of Sciences, an honorary member of the Board of Trustees of the Brookings Institution, and a member of the Council on Foreign Relations.

Sofi Bergkvist

Sofi Bergkvist

Executive Director, International Programs

Sofi Bergkvist leads the development of new international programs for ACCESS Health. ACCESS Health International originated with Sofi's work in India, where she built strategic partnerships to improve access to high quality, affordable healthcare. Today, she continues to establish and manage partnerships with the private sector, governments, and research and development organizations around the world. Previously, Sofi worked as an analyst for an asset management company in India and as an advisor at the European Commission's delegation to the United Nations in New York. She has a Master's of Science in International Economics from the Stockholm School of Economics and studied at the MBA program at McGill University.

Chang Liu

Chang Liu

Managing Director for Singapore, Mainland China, and Hong Kong

Chang Liu, PhD, is Managing Director for ACCESS Health Mainland China, Hong Kong, and Singapore. He is responsible for the health and aging innovation platforms and leads the research and consulting work for the region. Chang Liu has authored a number of publications, including the Singapore overview for the International Profiles of Health Care Systems from 2017, published by The Commonwealth Fund and London School of Economics, and the epilogue to Affordable Excellence, which documents progress toward sustainable high quality healthcare in Singapore. He is currently working with Dr. William Haseltine on another book about Singapore, A City for All Ages, on how the city state is managing a rapidly aging population.

In addition to his work with ACCESS Health, Chang Liu is also adjunct professor at the Chinese University of Hong Kong and Duke Kunshan University. Previously, he was assistant professor in Health Services and Systems Research at Duke-NUS Graduate Medical School and the Center for Ageing and Education at Duke-NUS. He also worked at the Center for Gerontology and Healthcare Research at Brown University, where he studied long term care and elder care policies in both the United States and China. He earned his PhD in Health Services Research from Brown University with a specialization in health economics. He was awarded the eXebs Friedrich J.Schoening International Scholarship and was named an eXebs Fellow during his exchange study at the European Business School, Germany.

In addition to his work with ACCESS Health, Chang is also adjunct professor at the National University of Singapore Enterprise and the Chinese University of Hong Kong. He also participates in several projects on aging in Singapore, including large scale national surveys and intervention programs. Previously, he worked at the Center for Gerontology and Healthcare Research at Brown University, where he studied long term care and elder care policies in both the United States and China. He earned his PhD in Health Services Research (2013) from Brown University with a specialization in health economics and received a Master's degree in Finance from the Guanghua School of Management of Peking University, China. He was awarded the eXebs Friedrich J. Schoening International Scholarship and named an eXebs Fellow during his exchange study at the European Business School, Germany.

Siddhartha Bhattacharya

Siddhartha Bhattacharya

Country Director, India

Siddhartha Bhattacharya is responsible for the overall development, management, and leadership of the activities of ACCESS Health International in India. His responsibilities include the establishment of collaborations and management of partnerships with government and the public and private sectors as well as with research and development organizations.

Previously, Siddhartha served as chief operating officer and technology head for the Emergency Management and Research Institute of GVK. The Institute delivers integrated emergency response and technology driven health outreach services to seventeen states and union territories in India through public private partnerships. In prior leadership roles, he has worked with Dell, Inc, (USA), Philips (India), and the government of Kerala in a number of cross functional global assignments. Siddhartha holds a Bachelor's degree with honors in Electrical and Electronics Engineering from Birla Institute of Technology and Science, Pilani, Rajasthan. He also received his Master's in Business Administration from the John M. Olin School of Business at Washington University in St. Louis, MO. In addition, Siddhartha received an Executive Scholar certificate in sales and marketing from the Kellogg School of Management, Northwestern University in Evanston, IL. Siddhartha is interested in people, projects, and alliances that thrive on rapid change, scale, and globalization. He likes to mentor promising startups in his personal time.

Vera Siesjö

Vera Siesjö

Country Director, Philippines

Vera Siesjö leads our work in the Philippines. She is currently leading projects on health financing and healthcare quality improvement, including the Joint Learning Network for Universal Health Coverage. Prior to joining ACCESS Health International, Vera worked as a project coordinator for an international press agency, producing country reports for The Economist, The Times, and USA Today in Mexico, Sri Lanka, and Thailand. Vera also worked as project coordinator for a state funded mental health and psychosocial support program in public hospitals in Argentina. The program aimed at integrating mental health into primary healthcare. Vera holds a a Master's of Science in Psychology degree from the University of Palermo and a Master’s degree in International Public Health from the University of Sydney. When not working, Vera enjoys running, kite surfing, and traveling.

Adrienne Mendenhall

Adrienne Mendenhall

Director of Business Development, Singapore

Adrienne focuses on business development and building our Singapore network. She creates innovative partnerships across public and private sectors that result in new healthcare and aged care models. Adrienne developed the Modern Aging program in Singapore and continues to manage key accounts for the team.

Prior to joining ACCESS Health International, Adrienne worked in education administration for the National University of Singapore Saw Swee Hock School of Public Health. In the US, she had a decade of experience in community health promotion, focusing on reproductive and adolescent health and the prevention and management of noncommunicable chronic diseases. Adrienne received her Master’s of Public Health from the University of Minnesota.

Fredrik Knoeff

Fredrik Knoeff

Country Director, Singapore and Program Development, Netherlands

Fredrik Knoeff leads the Singapore office. He is passionate about making social change happen. Fredrik has over ten years of experience in the public and private sector and in the nongovernmental organization world. Previously, Fredrik worked in Tanzania as a management advisor for a local nongovernmental organization reaching out to vulnerable and marginalized groups. In the Netherlands, he worked as a management consultant and was the managing director and attorney at law at a medium-sized law firm. Fredrik has a Master’s degree in Management from Nyenrode Business University and a law degree from Leiden University, both in the Netherlands.

Linguo Li

Linguo Li

Senior Consultant

Linguo Li is helping to establish our offices in mainland China. She brings eight years of experience in research and development, management consulting, mergers and acquisitions, and healthcare industry investment. Previously, Linguo worked at Takeda Pharmaceutical as a researcher in the development of new biologics for central nervous system diseases. She also provided consultation services on market assess and expansion strategy for top pharmaceutical and medical device companies at Smith Street Solutions. In addition, Linguo worked in science investment at a venture capital fund and as a commercial director of Medimix Asia. At Medimix Asia, she oversaw multinational market research, pricing, and market access project management in the healthcare industry. Linguo is a PhD candidate in Health Economics at Fudan University. She holds a Master's degree in Medical Genetics, also from Fudan University, and Bachelor's degrees in Medicine and Science from Jilin University.

Anna Dirksen

Anna Dirksen

Director of Communications

Anna Dirksen is Director of Communications at ACCESS Health International. She has more than ten years of strategic communications experience across a broad range of healthcare issues and geographic areas. Previously, she was Vice President at Corkery Unlimited, one of the leading strategic consulting firms specializing in health and medical communications.

Anna has led communications and outreach strategies at the United Nations Institute for the Advanced Study of Sustainability in Tokyo, Japan, the UN Department of Peacekeeping Operations in the Democratic Republic of Congo, and at the UN Secretariat in New York. She also previously served as Deputy Director of Communications for the global health organization PSI in Washington D.C. She earned her MSc from Columbia University's Graduate School of Journalism and began her career as a television host, reporter, and producer in Canada.

Biswajeet Chatterjee

Biswajeet Chatterjee

Chief Finance Officer

Biswajeet Chatterjee is responsible for the global finance function at ACCESS Health International. He is a finance professional with over thirty five years of rich industry experience in overall business and finance function. He has worked in global companies like BOC Gases, EI DuPont, Kelly Services and Mother Dairy group. He is experienced in implementation of best practices in finance, corporate governance, merger and acquisitions; business valuation, business restructuring and change management through business process re-engineering, He has also authored a number of popular books in contemporary business and finance topics like International Financial Reporting Standards, Indian Accounting Standards, Financial Reporting under Corporate Restructuring, Financial Reporting under consolidation of subsidiaries, associates and joint ventures and Business Valuation.

Modern Aging: inspiring and empowering entrepreneurs of all ages and backgrounds to create businesses to serve the needs of the elderly.
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