Our Leadership
Leadership
Meet the people driving our solutions
At Precision Data, we have an experienced team with a strong academic background, international experience, and strategic roles in healthcare companies. Meet the people driving our solutions:
Our Leadership
Julio Cesar Barbour Oliveira
CEO
Over 10 years of experience, with degrees in Medicine and Physics. He is a reference in health data science in Brazil and in the OMOP model. Led projects at IQVIA and Funcional, transforming data into insights for the healthcare sector.
Gabriela Naomi Ishibe
COO
Over 10 years in the pharmaceutical industry, with experience at Roche, Eurofarma, and AstraZeneca. Trilingual (Portuguese, English, and Spanish) and a team leader, she aligns business strategy with operational efficiency.
Our RWE Consultants
Ana Bierenbach
RWE Consultant
Medical doctor and PhD in Epidemiology, with over 80 published articles. Works in real-world evidence studies and data analysis, collaborating with institutions such as WHO and PAHO.
Daniela Mayumi
RWE Consultant
PhD and Postdoctoral in Nutrition Science. Works in clinical studies, real-world evidence research, and systematic reviews. Has collaborated with the Ministry of Health and PAHO and published over 30 scientific articles.