Scientific evaluation
Formulation concept, ingredient and dosing strategy and evidence hierarchy.
Advisor profile
Dr David BrownScientific advisor
BSc, PhD, FRSM, FRSC · Co-inventor of Viagra, former Global Head of Drug Discovery at Roche, co-founder of Healx and scientific adviser to T-Booster.
50+ yearsMedical research andpharmaceutical leadership.
ViagraCo-inventor on the patentand programme leader.
2,000+ scientistsFormer Global Head of DrugDiscovery at Roche.
HealxCo-founder of an AI-enabledbiotechnology company.
DRUG DISCOVERYPHARMACEUTICAL R&DAI BIOTECHPORTFOLIO STRATEGY
Career snapshot
50+ yearsDrug discovery and pharmaceutical leadership
ViagraCo-inventor and long-term programme leader
2,000+ scientistsFormer Global Head of Drug Discovery at Roche
HealxCo-founder of an AI-enabled biotechnology company
Five decades of pharmaceutical innovation
Globally recogniseddrug-discovery leader
Dr David Brown is an internationally recognised drug discoverer, pharmaceutical leader and biotechnology entrepreneur with more than 50 years of experience in medical research, drug development and company building. His career has included senior scientific and executive roles at ICI Pharmaceuticals/Zeneca, Pfizer, GlaxoWellcome and Hoffmann-La Roche.
He also served as President and Chief Executive Officer of Cellzome AG. Today, Dr Brown brings this depth of pharmaceutical experience to T-Booster as an independent scientific and strategic adviser.
A career defined by medicines that changed lives
While working at Pfizer, Dr Brown was named as a co-inventor on the patent for Viagra and led the programme for approximately eight years, helping advance the discovery from its early scientific foundations to proof of clinical efficacy in humans. He also contributed to the discovery and development of Relpax, while Revatio emerged from the wider programme led by his team.
At Hoffmann-La Roche in Switzerland, Dr Brown served as a company director and Global Head of Drug Discovery. He held responsibility for the scientific productivity of more than 2,000 researchers across five major research locations in the United States, Europe and Asia.
Combining scientific judgement with artificial intelligence
Dr Brown has helped establish and develop several biotechnology companies, including Crescendo Biologics and Healx. He co-founded Healx with Dr Tim Guilliams to explore how artificial intelligence, biological data and deep pharmacological expertise could accelerate the discovery of treatments for rare diseases.
Dr Brown’s role in T-Booster
Since 2022, Dr Brown has worked closely with Dr Md Arif Sheikh and the Avix Pharmaceuticals team, providing independent scientific, strategic and commercial guidance across the development of T-Booster and the wider innovation platform.
Development strategy
Product planning, clinical-research strategy and disciplined interpretation.
Commercial translation
Positioning, investment, partnerships and long-term product-pipeline development.
Why his experience matters
Pharmaceutical rigourfor T-Booster
His voluntary involvement strengthens the bridge between T-Booster’s biological hypothesis, human research programme and commercial potential.
Scientific rationale
Understand the biologybefore developing theproduct strategy.
Formulation discipline
Select and combine ingredientsaround a clear anddefined objective.
Human evaluation
Move beyond concepts intostructured human andclinical evaluation.
Commercial translation
Build a route from innovationto manufacturing, partnersand market entry.
“Throughout my career, I have learned that a promising scientific idea must be supported by disciplined development, meaningful evidence and a clear pathway to the people who may benefit from it. T-Booster brings together an important area of biology, a carefully considered formulation and an ambitious clinical-development programme.”
Dr David Brown · Drug Discovery Advisor, T-Booster Limited