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Our Leadership

Our Leadership

Biljana is a passionate and purpose-driven leader who combines experience as a medical practitioner with astute global business acumen.

As Managing Director of Janssen Australia and New Zealand, Biljana oversees operations in a key market in Asia Pacific and is also a member of the Asia Pacific Leadership Team.

Biljana joined Janssen in 2019 as Vice President, Oncology, Europe, the Middle East and Africa (EMEA), responsible for driving commercial value and access to patients across the company's solid tumor portfolio. Under her leadership, Janssen's oncology portfolio expanded, delivered growth, and opened new frontiers for Janssen with new treatment pathways.

Prior to joining Janssen, Biljana has led business strategy across oncology, respiratory and cardio metabolic therapy areas for other pharmaceutical companies.

Graduating in 2001 from Belgrade University Medical School, Biljana worked as a practicing physician for several years before entering the pharmaceutical industry.

An energizing leader, she has extensive experience in organizational turnaround, in-market financial execution, strategy setting and business development, with a strong track record of people development.

Biljana Naumovic

Managing Director, Janssen Australia and New Zealand

Carmen is a highly regarded strategic HR Leader with a proven track record in delivering innovative, people-focused strategies and solutions.

As Head of Human Resources for Pharmaceuticals at Janssen Asia Pacific, Carmen leads the regional strategic talent agenda and is responsible for enhancing the company’s organizational capabilities.

In her previous role as Head of HR for Janssen’s Asia Pacific Supply Chain, Carmen led various change initiatives including organization design, human capital planning, and employee well-being and resilience

She also delivered targeted strategies and programs to advance talent, grow diverse leadership and build new capabilities. This resulted in a stronger talent pipeline and a high performing, engaged workforce.

A passionate innovator, Carmen has also served as Head of HR for One J&J Southeast Asia, where she played a critical role in the design and implementation of the One J&J business model.

Carmen joined J&J in 2012 as Talent Director for Janssen Asia Pacific. She holds a Bachelor of Business in Human Resources Management from Nanyang Technological University in Singapore.

Carmen Chan


Chris is the Vice President of Janssen Supply Chain in Asia Pacific and a member of the Janssen World Wide Supply Chain Leadership Team.

Chris leads the development and execution of an integrated Supply Chain in Asia and oversees all Supply Chain functions in the region, including Customer Management, Value Chain Management, and Manufacturing. Additionally, he partners with the regional Commercial teams to ensure demand planning and product launch excellence.

Chris has over 20 years of global experience in manufacturing, engineering and supply chain functions and has served on supply chain teams in the United States, Europe, and Asia for medical devices, consumer products, and pharmaceutical companies. He has a passion for innovation and a demonstrated track record of fostering high-performance team environments that advance manufacturing and supply chain capabilities.

Chris joined the Johnson & Johnson family of companies in 1997 as a Project Engineer in the Johnson & Johnson Consumer business in the United Kingdom. From there he moved to Medical Devices and worked for several Johnson & Johnson companies including Ethicon, Mitek and Cordis. Throughout his career, Chris has also held numerous leadership positions across all segments within Johnson & Johnson, including Regional Sales.

Chris holds a Bachelors Degree in Engineering and Business Management from Brunel University in the United Kingdom.

Chris Ewer


For the past 25 years, Chris has made a meaningful difference to the lives of patients by working collaboratively with a range of health and pharmaceutical stakeholders to establish access to and ensure the quality use of innovative medicines.

This passion continues today in his role as a member of the Pharmaceuticals Global Operating Committee and as Company Group Chairman for Janssen Asia Pacific, where he oversees pharmaceutical operations for Johnson & Johnson in the world’s most diverse and populous region.

Prior to leading Janssen in eight markets across Asia Pacific, Chris was President of Janssen Japan – the second largest market for Janssen globally – for five years. In this period, he improved the company’s market competitiveness, widened access to innovative medicines, and attracted and developed the strongest of talent.

Chris is a highly respected member of the pharmaceutical industry, having chaired PhRMA Japan and worked as a board member of EFPIA Japan, Medicines Australia and Medicines New Zealand to highlight the value of pharmaceutical innovation and advocate for medicines access.

Since joining Janssen Australia in 2005, Chris has worked across five countries in positions of increasing responsibility. He has previously led Janssen operations in Japan, Australia & New Zealand, Vietnam, and New Zealand. He also worked in the United States as Global Marketing Lead for the Janssen Psychiatry business unit.

Chris holds a Master of Business Administration and a Bachelor of Applied Science from the University of Technology, Sydney, Australia.

Chris will be located in Singapore.

Chris Hourigan


Cherry is an accomplished leader recognized for her strong business acumen, support for patient centric innovation and a passion for talent development.

As Area Managing Director for Janssen North Asia, Cherry Huang is responsible for delivering long-term sustainable growth for operations in Korea, Taiwan and Hong Kong.

Previously Vice President for Finance, Janssen Asia Pacific, Cherry was instrumental in setting business strategy and overseeing financial stewardship to drive accelerated growth across the region’s pharmaceuticals business.

Prior to this, Cherry was Senior Finance Director of Johnson & Johnson Southeast Asia, where she was instrumental in shaping the governance model of the new entity and identifying key growth drivers across SEA markets in partnership with commercial leaders.

Before taking on her role in Southeast Asia, Cherry was the Senior Finance Director of Xian Janssen. In this position, she played a key role in the improved performance of our China business, which recorded year-on-year growth under her financial leadership.

Cherry holds a Bachelor of Science degree in Finance from Shanghai Jiao Tong University and an MBA from the Booth School of Business, University of Chicago, and has held a number of roles in finance within J&J across Asia Pacific, Europe and North America.

Cherry Huang

Area Managing Director, Janssen North Asia

Elvira Heyartz is Vice President of Regulatory Affairs Asia Pacific. She is responsible for leading the regional regulatory affairs organization covering all therapeutic areas in the Janssen Asia Pacific organization.

Before moving to Asia Pacific, Elvira was Senior Director and Head, Regulatory Affairs Latin America. As the leader of the Latin-American Regulatory team, she achieved many important accomplishments in this role, including substantial accelerations of Health Authority approvals of new products across the region, enhancing regulatory compliance, identifying and executing on opportunities of regulatory integration and synergy, strengthening the interactions with the health authorities, and developing her staff to become strategic partners for the Latin-American Commercial organization.

Prior to that role, Elvira was the Regional Director in Global Medical Safety for Latin America and was responsible for the Pharma and Consumer business sectors.

Elvira joined Johnson & Johnson in the Medical Information Services in 1995. She held several local roles in Argentina and Andes former cluster (Chile, Uruguay, Bolivia, Paraguay, Peru and Ecuador). Her last local responsibility was Medical Affairs and Regulatory Affairs Director for Argentina & Andes before moving to a regional function.

Elvira obtained her Medical Doctor degree from the University of Buenos Aires Medical School, and she subsequently completed an advanced medical degree in clinical pediatrics. She also holds a post-graduate degree in Health Economics and Management from ISALUD University. She is based in Singapore.

Elvira Heyartz


George Power is Vice President Law for Janssen Asia Pacific, where he is responsible for the legal affairs of the Pharmaceuticals group in the region. George started his Johnson & Johnson career in 2010 as Senior Counsel for the Pharmaceuticals and Medical Devices businesses in Australia and New Zealand, serving on the leadership teams of those businesses.

Over the past decade at Johnson & Johnson, George has advised on a wide range of complex matters and has taken on roles of increasing responsibility, including the leadership and development of a cross-sector, cross-regional team and the provision of strategic counsel to the One Johnson & Johnson Southeast Asia leadership team, of which he was a member from shortly after its inception until 2020. Since 2018, George has also served as a member of the Johnson & Johnson Law Department Management Committee.

George has an outstanding record of providing strategic business counsel, as well as being a strong advocate of civil justice reform in Australia. Prior to joining Johnson & Johnson, George was Assistant General Counsel, EMEA and Asia Pacific for CooperVision.

George also practiced law in London at CMS Cameron McKenna and in Sydney at Mallesons Stephen Jaques. He received his law degree from the University of New England (New South Wales, Australia) and has qualified as a solicitor in Australia and England.

George Power


As Vice President, Communication and Public Affairs, Pharmaceuticals Asia Pacific, Jenny is responsible for external affairs, reputation-building and issues management, as well as employee engagement across the region.

Appointed to this position in 2010, Jenny has worked collaboratively with Asia Pacific leaders and Regional and Country Communications teams to bolster communication, public affairs and corporate reputation capabilities in support of Janssen’s regional growth objectives.

Under Jenny’s leadership, Janssen Asia Pacific has executed major communication and public affairs initiatives that have positively influenced healthcare policy at country and regional levels, including the 2013 APEC Mental Health Initiative. Most recently, her efforts were instrumental in establishing regional patient organisation coalitions for prostate cancer and inflammatory bowel disease, which aim to advance care of these conditions on the regional healthcare agenda.

Jenny is a member of both the Asia Pacific Pharmaceuticals Leadership Team and the Global Pharmaceuticals Communications & Public Affairs Leadership Team.

Until recently, Jenny was also Communication and Public Affairs Business Adviser to Johnson & Johnson Southeast Asia, where she oversaw organisational communications during the transition to this novel and innovative business model. Prior to her current role, Jenny was Director Public Affairs, EMEA, where she oversaw communications across all business units.

Before joining Janssen, Jenny held senior in-house and public affairs consulting positions with organisations in Australia and the UK including Eli Lilly, Goodman Fielder, Gavin Anderson & Co, Department of Health and Ageing (Australia), Burson-Marsteller and Fleishman-Hillard.

While working in the Australian capital, Jenny managed major health policy change campaigns and advised the Department of Health and Pharmaceutical Benefits Advisory Committee.

Her 25-year career includes high level public affairs experience in government relations, policy and advocacy, media relations, crisis and issues management and internal communication.

Jennifer Tear


Jenny is a results-oriented leader whose passion for nurturing high-performing teams has left an indelible mark on the markets and teams she has overseen throughout her career with Janssen.

As President of Xian Janssen, Jenny Zheng oversees operations in the People’s Republic of China. She is also a member of the Asia Pacific Leadership Team.

Since joining Xian Janssen as a marketing manager in 2002, Jenny has served in numerous leadership roles at regional and country levels, including Managing Director of Janssen Taiwan and, most recently, Area Managing Director of Janssen Korea, Taiwan and Hong Kong.

Under her leadership, Janssen Korea was one of the fastest growing multinational companies in 2019 and 2020. In Taiwan, Janssen improved its market ranking by two positions to become the sixth largest pharmaceutical company, and in Hong Kong, Janssen ranked as the fastest growing among the top 10 companies.

During this time, Jenny also served as Co-chair of the Pharmaceutical Committee, AmCham (The American Chamber of Commerce) Taipei, and was Board Director for the International Research-based Pharmaceutical Manufacturers Association (IRPMA) Taiwan, and Korean Research-based Pharmaceutical Industry Association.

Jenny is also a passionate volunteer in the local community. She was awarded the Volunteer Star as Enterprise Senior Leaders by the Beijing Civil Volunteer Service Center in 2015.

Jenny holds an Engineering degree from Shanghai JiaoTong University, and an MBA with Honors from the Booth School of Business, University of Chicago.

Jenny Zheng

President, Xian Janssen

Matthias Skillecorn is Immunology Commercial Lead for Janssen Asia Pacific and Pharmaceuticals Portfolio Leader for J&J South East Asia. He leads a team of Strategic Marketing Directors working closely with the operating companies in Asia Pacific and South East Asia to drive the commercial strategies for Janssen’s portfolio. Matthias is a member of the leadership teams of Janssen Asia Pacific and JnJ South East Asia.

Prior to his current roles, Matthias was Immunology Business Unit Director at Janssen Australia, where he led a team of 40 and served on the leadership team of Janssen Australia & New Zealand.

Matthias has 20 years of experience in the pharmaceutical industry and has held many senior sales and marketing roles at Janssen and, previously, Eli Lilly, working in diverse therapeutic areas including Neuroscience, HIV, Renal, Transplant, Gastroenterology, Dermatology and Rheumatology.  

Matthias was born in Sydney, Australia and holds a Master’s in Business Administration from the University of Technology, Sydney, and a Bachelor of Leisure Studies from the University of New South Wales.

Matthias Skillecorn


Neelesh Shanbhag is currently the CIO & VP of Business Technology for Janssen Asia Pacific, he is responsible for the technology direction of the Pharmaceuticals group within Asia Pacific, developing and implementing effective IT strategies to support the overall growth objectives of the Pharmaceutical business in the region. He works closely with the leadership team in translating business priorities and challenges into technology solutions to better serve our patients and customers.

Most recently, Neelesh was the Global IT Integration Leader managing the overall technology integration of Actelion into the Janssen and wider J&J organization. He was responsible for developing the overall IT integration strategy, technology roadmap and implementation of key business capabilities across all functions. Leading in a period of uncertainty and complexity through the integration, he demonstrated a strong focus on cultivating an inclusive Credo-based and customer-centric culture.

Neelesh brings a 24-year track record of successful leadership in Technology in various roles and diverse cultures in Asia Pacific and EMEA regions. He started his Johnson & Johnson career in the Consumer sector in 1999; he assumed roles of increasing responsibilities within the IT organization across multiple regions, delivering critical business capabilities for the Pharma & Consumer business. Neelesh has played critical roles in major business transformation programs to help standardize the business processes and implement technology platforms to enable business growth.

Neelesh holds a Degree in Mechanical Engineering from Bangalore University and an MBA from the Macquarie Graduate School of Management in Sydney. He is also a Certified Supply Chain Professional from APICS, USA.

Neelesh Shanbhag


Oak Yeon Kim is Vice President, Commercial Strategies & Market Access for Janssen Asia Pacific and is a member of the Asia Pacific Leadership Team.

OakYeon began her career at Janssen in 1992 after completing a year as a Research Associate with the Korean FDA. She went on to hold a variety of roles with increasing responsibility, spending three years in the global marketing group in Beerse, Belgium and subsequently leading the marketing department at Janssen Korea.

In 2004, Oak Yeon was appointed as Head of Asia Pacific Regional Marketing where she led regional growth strategies across various therapeutic areas and played a key role in developing regional capabilities. 

After three successful years in the region, she was promoted to General Manager of Janssen Malaysia, where she led the business portfolio transition to focus on innovative medicines.

She then moved to Xian Janssen in China in 2010 to lead the General Medicines Business Unit where she demonstrated outstanding team-building and development skills, which inspired her team’s performance and business growth.

Oak Yeon then returned to Korea in the summer of 2012 to serve as Area Managing Director, Korea, Taiwan and Hong Kong.  Under her leadership, Janssen Korea showed excellent business- and cultural turn-around and led industry-level policy activities that have enhanced the environment for patients to access innovative medicines in Korea. Also, Janssen Taiwan and Hong Kong established their leadership positions in several innovative medicines.

Oak Yeon is an alumnus of Seoul National University and is based in Seoul.

Oak Yeon Kim


Dr. Kershaw is the Vice President of Janssen Medical Affairs for the Asia Pacific region and a member of the Asia Pacific Leadership Team.

Dr. Kershaw joined the Johnson & Johnson family of companies in 1998 and has since held a variety of positions in research and development, medical affairs, translational medicine and strategic marketing. He has contributed to the development of products for the treatment of stroke, epilepsy, migraine, Alzheimer’s disease, acute and chronic pain and degenerative diseases of the knee and spine.

Dr. Kershaw practiced neurology and internal medicine in Hawaii and New York. He is also board certified in internal medicine and neurology with added qualifications in clinical neurophysiology. Dr. Kershaw is a fellow of the American Academy of Neurology and has written and contributed to numerous articles on a variety of subjects in the fields of neurology and pain management.

Dr. Kershaw holds an undergraduate degree in neuroscience from Brown University in Providence, RI. He received his Doctor of Medicine degree from Tufts University School of Medicine and subsequently completed residencies in internal medicine and neurology in Boston, MA.

Paul Kershaw M.D., F.A.A.N.


Ricco Estanislao is responsible for the quality management and compliance of Janssen Pharmaceuticals in 21 countries across the Asia Pacific region. With 25 years’ experience in the combined FMCG and pharmaceutical industries, Ricco has extensive expertise in quality management, manufacturing, research and development, and clinical research.

A patent holder and author of several publications, Ricco’s work has been presented at several international meetings including to cosmetic scientists, dermatologists, other medical professionals, as well as manufacturing and quality experts.

Prior to his current role, Ricco held positions in the United States, Australia, China, Thailand and the Philippines.

Ricco holds a Bachelor’s Degree in Chemical Engineering from the University of the Philippines (Diliman), and a Master’s Degree in Business Administration from the University of Southern California Marshall School of Business. He is also a member of the International Honor Society Beta Gamma Sigma.

Ricco B Estanislao


As Managing Director of Janssen India, Sarthak oversees the Company’s operations in India and the South Asian markets of Sri Lanka and Bangladesh. Sarthak is a member of the Johnson & Johnson (J&J) India President Council, as well as the Janssen Asia Pacific Leadership Team.

Sarthak joined Janssen as General Manager – Marketing in 2007. He went on to hold a variety of roles with increasing responsibility, including leadership roles at regional and country level.

From 2011-2014, he worked in the Janssen Asia Pacific Strategic Marketing team as Regional Commercial Director for Immunology, Metabolics and Established products and played a pivotal role in ensuring timely access to important medications for patients across the region.

He later relocated to Japan to take on the role of Senior Director of Marketing for Immunology, Pain & Infectious Diseases, again increasing access to our medicines and in turn delivering significant growth for the business. In 2016, he returned to his home country, India, as Vice President - Established Products, Metabolics, Immunology and Dermatology. In this role, he led multiple programs aimed at bringing our transformational medical innovations to the country.

With over 20 years’ pharmaceutical experience, Sarthak is a respected industry leader and currently chairs the Pharmaceutical Committee of the American Chambers of Commerce (AMCHAM) in India and is an Executive Council member of the Organisation of Pharmaceutical Producers of India (OPPI).

Sarthak holds a Master of Business Administration and a Bachelor of Pharmacy degree. A member of the 5am club, he also serves as a J&J India Health Champion and is committed to helping the company build the healthiest workforce in the country.

Sarthak Ranade

Managing Director, Janssen India

Shuhei is an experienced industry leader and advocate for the value of pharmaceutical innovation and importance of access to transformational medicines.

As President and Representative Director of Janssen Japan, Shuhei is responsible for leading Janssen’s second largest market globally and is also a member of the Asia Pacific Leadership Team.

Originally from Japan, Shuhei led the Janssen business in Taiwan from 2019 - 2021, where his focus on talent development and an inclusive culture strengthened the organization and drove significant business growth. During his time in Taiwan, Shuhei was President of the International Research-Based Pharmaceutical Manufacturers Association (IRPMA) and Co-chair of the American Chamber of Commerce in Taiwan’s Pharmaceutical Committee. In these roles, he advocated for innovation in the pharmaceutical industry and the importance of access to innovative healthcare in Taiwan.

Shuhei began his career with Johnson & Johnson in 2004 and has held various roles of increasing responsibility in Asia Pacific and at a global level, including leadership of the Janssen Japan Immunology and Infectious Diseases business from 2016-2019.

Shuhei holds an undergraduate degree from Dartmouth College and a Master of Business Administration from Duke University.

Shuhei Sekiguchi

President and Representative Director, Janssen Pharmaceutical K.K.

Young Sang “YS” Kwon is the Health Care Compliance (HCC) Regional Sector Lead (RSL) for Johnson & Johnson’s Pharmaceutical Group, Asia Pacific. In that capacity, he also oversees the compliance program for One J&J Southeast Asia. He assumed this role in February 2014.

In 2013, YS was appointed to the role of the HCC RSL for Johnson & Johnson’s Medical Device & Diagnostics Group, Asia Pacific, and before that he was the cross-sector HCC Cluster Lead for North Asia in 2012.

Prior to joining J&J in March 2012, YS was the Head of Legal and Compliance at LINA Korea, the Korean subsidiary of a US healthcare services company Cigna, from 2006 to 2011, where he oversaw the legal and compliance functions of Cigna’s Korea operation.

Before Cigna, YS was a lawyer with Kim & Chang, one of the largest law firms in Korea, where he advised clients in the areas of intellectual property law, corporate law and dispute resolution for more than seven years.

YS received a Bachelor of Arts degree from the Hankuk University of Foreign Studies in his native Korea, majoring in English Education with a minor in Economics in 1993. He obtained a Juris Doctor and a Master of Business Administration from Syracuse University in the USA.

Young Sang “YS” Kwon

Health Care Compliance (HCC)
Regional Sector Lead (RSL) for
Johnson & Johnson’s Pharmaceutical Group, Asia Pacific

Yuri is a highly experienced leader recognised for her strong financial acumen, ability to nurture growth and passion for inclusive workplaces.

As Vice President of Finance for Janssen Asia Pacific, Yuri Kato is responsible for providing financial stewardship for our business across Asia Pacific, leading teams in China, India, Japan, North Asia, Australia and New Zealand. She is also a member of the Global Pharmaceuticals Finance Leadership Team and the Asia Pacific Pharmaceuticals Leadership Team.

Previously, Yuri was Vice President for Finance & Business Development for Janssen Japan where she was instrumental in leading this key market towards accelerated growth.

Under her leadership, Janssen Japan created a solid financial foundation through proactive and agile resource allocation, strategic local partner alliance deals, and data-driven performance management which maximized current portfolio value and managed risk.  

Having worked in different parts of the world, Yuri truly appreciates workplaces that value cultural differences and has been instrumental in fostering a culture of diversity, equity and inclusion across the organization.

Yuri holds a bachelor's degree in sociology from Keio University.

Yuri Kato


As Head of Asia Pacific R&D, Zili oversees all R&D activities within Asia Pacific, leading over 1,400 science professionals dedicated to delivering transformational healthcare innovation across the region.

Zili joined Janssen in June 2019 from the U.S. Food and Drug Administration (FDA) where he served as Associate Director for Global Affairs at the Office of Generic Drugs. There he contributed significantly to the expansion of the International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use (ICH) to the field of generic drugs, playing a critical role in China’s National Medical Products Administration’s membership in ICH in 2017.

Before rejoining the FDA in 2015, Zili had over 10 years of leadership and program management experience in pharmaceutical R&D at both Merck and the Bill and Melinda Gates Foundations, where he built high-performance and science-driven organizations and drove substantial increases in R&D productivity. At Merck, he served in positions of increasing responsibility in clinical development and regulatory affairs at global, regional and local levels. His roles included Medical Director of MSD China, Head of China and Asia Pacific Regulatory Policy, and Executive Director and Head of Emerging Markets Regulatory Strategy. At the Bill & Melinda Gates Foundation, Zili served as Deputy Director and Head of China R&D.

Zili first joined the FDA in 2000 as a medical reviewer for drug safety. Later he was promoted to medical team leader for overseeing IND and NDA reviews in defined therapeutic areas. In addition, Zili participated in FDA guidance development for the industry and presented at the FDA’s advisory committee meeting on behalf of the agency. Zili was a recipient of numerous FDA awards, including 2003 FDA Scientific Achievement Award and 2014 FDA Distinguished Alumni Award.

Zili is a graduate of Peking Union Medical College and completed his residency training at Johns Hopkins in 2000. In addition to his medical degree, Zili also holds two master’s degrees in public health.

Zili Li, M.D., M.P.H