Cristina Cayangyang
Vallejo,CA
Summary
Quality control and compliance professional with extensive experience in HPLC as well as other analytical and laboratory techniques. Highly skilled in managing multiple priorities and project on time. Excellent interpersonal and communication skills, a professional attitude and motivation to produce high quality work.
Overview
25
25
years of professional experience
Work History
Analytical Chemist
Bausch Health/ Aerotek I Contractor)
02.2015 - 08.2025
- Calibrated and maintained laboratory spectrometers and chromatographs.
- Created spreadsheets and other forms of documentation to accurately record and calculate analytical results.
- Performed analysis of pharmaceutical finished products/ stability samples using various methods to test for purity.
- Coordinated and performed analytical tests to comply with established standards and specifications.
- Performed technical laboratory functions in compliance with regulatory agencies and safety requirements.
Associate Scientist
Novartis Pharmaceuticals ( Contractor)
04.2014 - 07.2014
- Documented changes during experiments, noting unexpected issues arising during research activities.
- Collaborated on project teams to achieve deliverables.
- Performed experiments in laboratory setting aimed at enhancing product development.
- Collected and sampled raw materials for retain and testing.
Quality Control Associate
Bayer Pharmaceuticals
07.2007 - 09.2013
- Performed analytical testing of finished products/ stability samples in accordance with bayer specification.
- Monitored testing procedures and verified performance of tests according to established item specifications and protocol.
- Collected and analyzed data to measure effectiveness of quality control processes.
- Interpreted test results by comparing to established specifications and control limits, making recommendations on appropriateness of data for release.
- Initiated, tracked and managed stability studies, ensuring compliance with ICH guideliness and cGMP.
Quality Control Analyst III
Novartis ( Acquired by Bayer)
07.2007 - 06.2011
- Performed analytical tests and inspections to conform to established standards.
- Trained and coached existing and new employees on multiple methods.
- Completed supporting documentation for testing procedures, data capture forms, equipment logbooks and inventory forms.
- Executed method qualification, validation and equipment qualificaton.
QC Environmental Monitoring Analyst III
Chiron (Acquired by Novartis)
07.2005 - 07.2007
- Carried out consistent monitoring of viable and non-viable particles as well as surface swabbing within cleanroom environments.
- Collected/sampled and tested water for injection, (WFI) DI and Purified water for total organic carbon, endotoxin, bioburden and heavy metals.
- Reviewed and disposition raw data.
Quality Control Associate Chemist
Dey L.p
04.2000 - 06.2005
- Executed tests and inspections to ensure adherence to established standards.
- Reviewed test results by comparing with established specifications and control limits, offering insights on data release validity.
- Monitored stability chamber operations to guarantee consistent and reliable results. Managed product assessments to uphold integrity and compliance with standards.
Education
Bachelor of Science - Chemical Engineering
Feati University
Manila, PhilippinesSkills
- Proficient in HPLC and UPLC techniques
- Total organic carbon analysis, Bioburden, Endotoxin
- Product quality assessment
- Data interpretation
- Laboratory documentation
- Efficient sample setup
- Documentation management
- Laboratory safety protocols
- Skilled in laboratory analysis
- Lab software: Open Lab/Chemstation, Empower, LIMS
- Productivity tools: MS Word, Excel, Powerpoint
Timeline
Analytical Chemist
Bausch Health/ Aerotek I Contractor)
02.2015 - 08.2025
Associate Scientist
Novartis Pharmaceuticals ( Contractor)
04.2014 - 07.2014
Quality Control Associate
Bayer Pharmaceuticals
07.2007 - 09.2013
Quality Control Analyst III
Novartis ( Acquired by Bayer)
07.2007 - 06.2011
QC Environmental Monitoring Analyst III
Chiron (Acquired by Novartis)
07.2005 - 07.2007
Quality Control Associate Chemist
Dey L.p
04.2000 - 06.2005
Bachelor of Science - Chemical Engineering
Feati University