Chief Scientific Officer

Tony has been Chief Scientific Officer for GSK R&D since August 2022

Tony is a highly respected scientist and one of the world’s pre-eminent medicinal chemists, with more than 30 years of experience working across diverse disciplines of R&D to deliver innovative medicines. He joined GSK from Pfizer in 2017 as Senior Vice President, Medicinal Science and Technology, responsible for all science and technology platforms supporting the delivery of new medicines.

He has led large-scale global organisations in drug discovery and development in multiple therapeutic areas, including immunology, oncology and infectious diseases. Tony has been integral to delivering the recent improvements in GSK’s R&D productivity and central to developing its R&D approach focusing on science of the immune system, human genetics and advanced technologies. He built GSK’s functional genomics and AI/ML organisations from the ground up, and was the architect of collaborations with UK biotech Adrestia, Oxford University, and the Laboratory for Genomics Research with Jennifer Doudna.

Tony invented an HIV antiviral medicine for which he won several international awards including the PhRMA Discoverers Award, the Prix Galien USA, the ACS Heroes of Chemistry Award, and the UCB Ehrlich Award from the European Federation of Medicinal Chemistry.

Tony has lived and worked in both the UK and the US. He is a member of the UK National Genomics Board and the Board of the Rosalind Franklin Institute. He is a Fellow of the Academy of Medical Sciences, a Fellow of the Royal Society of Chemistry, from whom he has also received an Honorary Fellowship, and a Fellow of the Royal Society of Biology. Tony was closely involved with the UK Government’s COVID-19 planning, notably establishing the GSK/AstraZeneca/Cambridge University testing facility at the University’s Anne McLaren Laboratory.

Tony has a BSc in chemistry and PhD in organic synthesis from the University of Newcastle, and was a postdoctoral fellow at Imperial College, London.


We are ViiV Healthcare: 100% dedicated to HIV medicines and research and completely focused on people affected by HIV and AIDS. At ViiV Healthcare we do things differently. From our unique origins to our innovative medicines, we push the boundaries of what people think is possible in HIV treatment and care.

We have established to take a fresh approach to the challenge of HIV. We set ourselves one mission - to leave no person living with HIV behind. Our values and expectations are at the heart of everything we do. They are integral to how we conduct our business and form an important part of our culture.

NP-GBL-HVX-COCO-240018 March 2024

Reporting of side effects

If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in the package leaflet. You can also report side effects directly via the Yellow Card Scheme at or search for MHRA Yellowcard in the Google Play or Apple App store. By reporting side effects, you can help provide more information on the safety of this medicine.

If you are from outside the UK, you can report adverse events to GSK/ViiV by selecting your region and market, here.