A passionate team...

We are a team of experienced makers, thinkers, explorers and medical affairs experts. We approach medical affairs and RWE with curiosity and experimentation, using what we learn to create meaningful results that will upgrade your company outcomes.

Our team brings more than 15 years of experience in the European and American market, with expertise in medical writing, RWE assets and medical affairs in areas from rare diseases to oncology.



Ravi Jandhyala, MSc, MBBs, MRCS, MFPM, LLM, MBA

Consultant Pharmaceutical Physician

Experienced in end-to-end medical affairs delivery specialising in designing and delivering bespoke medical/KOL plans for his clients. Developed a specialist interest in the design an implementation of rare disease registries.

More than 15 years of experience in pharmaceutical medicine, medical law and ethics and business theory and founded Medialis to embody the unique blend of all three disciplines.

A strong advocate for Medical affairs as the key to successfully commercialising a medicine without it, or the influence it can bring, a medicine's true value will never be realised.




Julia Tonge, BSC (hons), MCLIN RES, PhD

Head of Real World Evidence Asset Management: Rare Diseases

Dr. Julia Tonge has a background in Pharmacology, a Masters in Clinical Research (Oncology) and a PhD in Mitochondrial Sciences in the field of decision-making and reproductive technologies.

Julia has over 10 years’ experience in the design and management of clinical studies ranging from pre-clinical, P1-3 Clinical Trials, International Rare Disease Registries & Biobanks and First in Man Embryology Surveillance Studies in an adult, paediatric and vulnerable adult setting. Working in clinical, academic and industry sectors Julia has experience in preparing ethical and regulatory submissions in 11 countries, designing and maintain international trial master files, multi-site budget management and contract negotiations.

Julia is passionate about the inclusion of patients in the design and development of health research and has developed and managed a number of Patient Information Days, focus groups and in-depth patient interviews to understand research participation from a patients perspective.





Aine Dillon, BSC, MSC

Senior Real World Evidence Asset Manager

Áine has over 20 years’ experience working in all stages/phases of clinical research within Pharma, CRO’s and Medical Affairs.

Her primary degree is in  Natural Sciences (Biochemistry)  from Trinity College Dublin, and she holds an MSc. (Genetics) from  Dundee University.




Jesica Levingston Mac Leod, PhD.

Head of business development

Dr. Jesica Levingston Mac Leod has a PhD. in Biochemistry in the field of proteomics and virology. She was a postdoctoral researcher at Mount Sinai School of Medicine in New York in the Department of Microbiology.

Since 2015 she has been a consultant, medical writer, and Project manager for an image analysis international company focus in immuno-oncology. She contributed to several blogs, journals, books, articles and websites as content writer and editor. She is passionate about healthcare and biotechnology innovation.




Radek Wojcik, Mpharm, Msc

Head of Health Economics and Market Access

Radek specialises in Health Economics and Market Access. Radek gained master’s in pharmacy from University of Warsaw and MSc in Health Economics and Decision Modelling from the University of Sheffield. Before joining Medialis, Radek worked at National Institute for Health and Care Excellence investigating the institute’s policy on children.

After completing his master’s in health economics, he moved to private industry, having worked for leading consulting companies in the UK developing number of economic models, working on HTA submissions and value communication projects. His areas of expertise include but are not limited to oncology, diabetes, ophthalmology, influenza and rare diseases



Alex(ander) Hardy is a real-world evidence asset manager at Medialis Ltd, and is responsible for the planning, generation and delivery of a variety of medical assets. Prior to joining Medialis, Alex worked elsewhere within the healthcare communications industry.

He has just submitted his PhD thesis on the differential roles of platelet signalling pathways to the University of Birmingham and has an undergraduate Masters in Pharmacology (MPharmacol) from the University of Bath. 



Solomon Christopher, Msc

Head of Biostatistics

Solomon has a MSc in Biostatistics, he is a statistician who has worked in fields of epidemiology of both non-communicable and infectious diseases. He has expertise in real world evidence studies in pharmaco-epidemiology with a keen interest in the design and analysis of observational studies.



Xana Sampaio

Xana, executive assistant and project manager, supports the real world evidence asset management, biostatistics and health outcomes/market access divisions and is based in the Medialis office in Quinta do Lago, Portugal.




Cristina Leal

Cristina, a degreed marketer is based in the Medialis office in Quinta do Lago, Portugal. Executive assistant and project manager, she supports the business development and marketing teams.