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William is a Director, Quality and Risk Management, Global Medical and Safety Governance, supporting the Africa and Developing Countries of Asia at GlaxoSmithKline. In his role, William he is responsible for providing technical support to Country Medical Teams across 53 distinct countries medical affairs, governance, pharmacovigilance, medical information and human subject research, aiming to strengthen and drive simplification in the operating model. At a Global level, he links the local units with the global teams driving organizational alignment and feeding into the development of global medical governance strategies.
He began his career with GSK in 2011 as a Medical Advisor supporting 13 East African countries and worked across a wide range of medical affairs therapeutic areas including anti-infectives, respiratory, allergy, dermatology, cardiovascular, gastroenterology, oncology, neurosciences and vaccines. He also worked as a nominated safety contact, providing pharmacovigilance oversight to the Eastern African countries. In 2014 he became the Country Medical Director, a position he held for two years.
William is a 2017 Oxford University-African Leadership Institute, Archbishop Desmond Tutu Fellow. He holds a First Class Master’s Degree in Pharmaceutical Medicine from Ireland and is a Bachelor of Medicine and Surgery graduate from the University of Nairobi. He is a Top 40 Under 40 Awardee Kenya – 2015. He has co-authored articles on antibiotic resistance, burden of rotavirus gastroenteritis, influenza shedding and use of webinars for medical education. He was involved in the introduction and of pneumonia and rotavirus vaccines across several East Africa countries while overseeing the development of the new Malaria vaccine. He has been involved in launches of many other products across therapeutic categories within the region.
Prior to joining GSK, William worked for the US CDC as a Researcher and at the Gertrude’s Children’s Hospital as a Doctor. He served patients in Kenya’s largest slum as a Doctor and Board of Trustees member for the University of North Carolina’s Carolina for Kibera program.
Dr. Jorge Sarroca has 34 years of experience working for the Pharmaceutical Industry. He started his career in 1986 founding Medisys, the first CRO in Spain, from which he expanded to one of Europe’s first CRO Alliances with The Gabbay Group, and finally was PPD as Spain’s Country Manager. In total he participated in over 250 clinical studies in this 15 years period, acquiring very sound knowledge of design, analysis and publication of clinical research. He then moved strategically to Medical Affairs, working for Pfizer, Esteve-Teijin, Alexion and Almirall, where is Senior Medical Advisor working in three different therapeutic areas.
He served as Member of the Board at AMIFE, the Spanish Association of Pharmaceutical Physicians for 3 4-year periods. Very interested in Education, he is Associate Professor at the Pompeu Fabra University and collaborates with the European University and the IEBS school.
Passionate for innovation and patient-centricity, along his career there have been some relevant milestones, like founding the first CRO in Spain, changing the patient care model in Home Respiratory Therapies, filing an NDA application for a medicinal gas (xenon for neuroprotection), co-chairing a 15MM project for home
rehabilitation, developing a structured method for drugs life-cycle management and, very recently, changing the paradigm for the treatment of multiple sclerosis spasticity.
602 Park Point Drive, Suite 225, Golden, CO 80401 – +1 303.495.2073
© 2025 Medical Affairs Professional Society (MAPS). All Rights Reserved Worldwide.