• Oracle SQL Development & Data Management: Writing and optimizing SQL queries, creating and maintaining tables, views, and data sources to ensure accurate and efficient data handling.• Tableau Visualization & Server Management: Designing dynamic Tableau dashboards tailored to business requirements, visualizing key performance indicators (KPIs) that drive strategic decisions. Helping with the Tableau Server, ensuring smooth operation, handling data refreshes, troubleshooting issues, and maintaining security restrictions for diverse user groups.• Problem-Solving & Support: Working closely with stakeholders to diagnose problems and deliver fast, efficient solutions.

• Data cleaning and biostatistics using R (programming languange) of new follow-up dietary intake data from a multi-centre European cohort of children (ATHLETE consortium).• Construction of dietary indices to be used in epidemiological analyses, such as the ultra-processed food consumption.• Present and discuss issues and findings in team meetings.

• Collaborated on the "DigiCare4You" European program, a clinical trial focusing in evidence-based interventions for the prevention and management of diabetes and hypertension within the community.• Coordinated multidisciplinary health scientists for the efficient operation of the program according to the study protocol, in a collaborating health center in Athens, while concurrently serving as the program's dietitian.• Screening, Informed Consent and Participant Recruitment: Performed screening tests to ensure the participant meet the eligibility criteria for the study. Provided in-depth information about the program along with the Informed Consent form.• Maintained essential documents in the study site file, including CRFs and all source documents.• Administered participant questionnaires for data collection.• Entered the information collected into a secured electronic data system that is later used for analysis.• Resposible for scheduling participant study visits.• Maintained constant communication with site leadership and the study team to swiftly resolve any emerging issues.

• Dietary appointments• Writing articles about Health and Diet

• Conducted food quality control assessments, including scrutiny of food additives.• Verified accuracy of nutrition labels on food products.

• Studied and analyzed diverse clinical cases, refining problem-solving skills.• Dietary appointments