Eleni Graikou Email & Phone Number

Austin, Texas, United States

Berlin, Germany

• Developed and validated an advanced algorithm integrating Bayesian Blocks and Pandas to model significant amplitude variation patterns or "flares" within time-series data, expanding the dataset by 10%, enhancing the.
• Streamlined data workflows and automated key processes to reduce manual analysis time by 92%, reducing turnaround times for critical research projects, allowing researchers to concentrate on high-level analysis and.
• Engineered and executed ETL/ELT processes using JSON and Pandas to manage over 10 TB of structured data, decreasing processing time by 60%, increasing productivity by 40%, enhancing data pipeline efficiency, enabling.
• Led weekly meetings with interdisciplinary teams to analyze and interpret large complex datasets, fostering collaborative problem-solving, knowledge sharing, partnering with colleagues to complete root-cause analysis.
• Created, maintained, and presented progress reports, dashboards, data visualizations using Matplotlib, Jupyter Notebooks, PowerPoint presentations, ensuring clear communication of findings, insights for senior.
• Implemented strategic adjustments to project workflows, resulting in a 25% reduction in project completion time. Ensured the timely delivery of high-quality, publishable research outcomes, solidifying DESY's standing.

Bonn, Germany

• Collaborated with data scientists and engineers to evaluate a novel hardware/software time-series recording system using statistical methodologies, such as regression, t-tests; produced data visualization reports for.
• Provided actionable insights through identifying bottlenecks in data processing, recommending improvements in data retrieval methods, enhancing system performance by 1.5 times, improving data collection and analysis.
• Streamlined the development and deployment of the time-series reduction pipeline using Docker and Singularity images with essential software, Python libraries, significantly reducing setup time, ensuring a consistent.
• Increased user rate by 75%, reduced data reduction task time by 50%, significantly boosting team productivity.
• Developed spreadsheet and dashboard reports to monitor time-series recording failure rates, identifying and fixing root causes, reducing failures to less than 2%, enhancing overall data reliability, leading to more.
• Selected alongside three other scientists to present the group's scientific discoveries and future strategy to the Scientific Advisory Board, successfully receiving the maximum possible funding, securing a grant for.

Bonn, Germany

• Led data management for EPTA collaboration at Effelsberg 100-m radio telescope, coordinating observation schedules, writing proposals, managing an 80 TB dataset in SQL database; demonstrated skills in leadership.
• Produced a reliable dataset supporting 10+ scientists, driving breakthroughs across projects, securing additional funding.
• Conducted monthly data quality assessments using model fitting, chi-square tests, ensuring data integrity and consistency.
• Provided high-quality datasets to five international scientific groups, contributing to 15 peer-reviewed publications.
• Enhanced collaboration's observing strategy with advanced scheduling algorithms and refined data collection methods, resulting in a 15% increase in data accuracy and efficiency, enhancing reproducibility and.
• Mentored junior colleagues, focusing on improving technical skills, research methodologies, resulting in a 20% decrease in task hours and successful completion of high-impact projects.

Doctor Of Philosophy - Phd, Astronomy And Astrophysics, Magna Cum Laude

Master'S Degree, Computational Physics

Bachelor'S Degree, Physics