Juan Ballesteros

esults-driven QFB professional with experience in quality control, method validation, and laboratory operations in regulated environments. Skilled in developing and optimizing analytical methods to ensure accuracy, reproducibility, and compliance. Strong in data-driven decision-making, root cause analysis, and continuous improvement.

Chemical Analyst at Fresenius Medical Care (2024-11 – Present)

Developed and implemented analytical methods and laboratory procedures in regulated environment for quality control and method validation.

• Developed and implemented analytical methods and laboratory procedures, reducing analysis time and increasing ICP-OES sample throughput.
• Performed method validation ensuring accuracy, precision, and reproducibility of results.
• Managed deviations (OOS, CAPA, NC) and documentation in compliance with quality systems and regulatory standards.
• Conducted trend analysis to identify variability and support continuous process improvement.
• Collaborated with suppliers and supported internal and external audits to ensure compliance and quality performance.

Laboratory Analyst at Clinic Laboratory Velpar (2024-01 – 2024-11)

Supported laboratory operations with focus on sample integrity, critical result analysis, and quality standards.

• Supported pre-analytical processes and ensured sample integrity.
• Performed critical result analysis and equipment validation/calibration.
• Optimized internal controls, improving turnaround time and quality standards.

Development Analyst at Animal Science Research Laboratory (2023-06 – 2024-11)

Developed and implemented laboratory methodologies for genetic material extraction and quantification with focus on research and quality objectives.

• Developed and implemented new laboratory methodologies and procedures, ensuring accuracy and reproducibility of results.
• Performed RNA and DNA extraction and conducted viral genome quantification using RT-qPCR techniques.
• Analyzed and interpreted experimental data to support research and quality objectives.
• Successfully developed and validated a new procedure for the extraction and quantification of genetic material, improving consistency and efficiency.

Pharmaceutical Chemist Biologist in QUÍMICO FARMACEUTICO BIÓLOGO – Universidad de Guadalajara (2019 – 2023)a