Jeonghye Shin

Conducted physical and chemical testing of Tylenol and Listerine

• HPLC, GC, UV-vis, AA, and pH meters etc

Sole contract employee certified to perform both Tylenol and Listerine tests; trained new employees independently.

Reviewed data using Empower managed documentation and communicated corrections with manufacturers.

Supported Excel CSV activities and CAPA projects.

Prepared for GCC inspection, including development of WI, EFRM, and FRM (Standard Time synchronization, dehumidifiers).

Conducted root cause analysis training on gas safety and error prevention.

Managed consumables procurement (price comparison, selection, receipt confirmation).

Set and achieved personal OKR to master both Tylenol and Listerine testing; maintained zero LIRs through proactive learning.

Took lead R&Rs among contract staff identified process gaps and revised WIs (pest control, eyewash stations, waste management, gas safety).

Revised test specifications for all Listerine products.

Performed analytical testing of API, Finished Good Products and Materials

Led Process Validation and Method Validation

: Purity, Residual Solvents, Dissolution and Assay of API and

Finished Good Products

Managed equipment Performance Qualification (PQ) scheduling and conducted internal calibration

Proposed and initiated LIMS system setup to reduce manual error and enhance workflow efficiency

Conducted equivalency dissolution

tests following regulatory guidelines, ensuring successful validation of process upgrades

Performed periodic revisions of work instructions (WIs), translated test methods from raw material manufacturers, and documented test results in laboratory reports

Responsible for reagent management, including assigning control numbers, maintaining CoA and MSDS documentation, and overseeing inventory

Responsible for creation and management of the reference standard masterlist (working standards/reference standards), including control number assignment and inventory tracking

Performing stability test for Finished Good Product

Performing Stability test of Mobile phase to reducing payment of test.

Analyzed hazardous substances in workplace environments using UPLC, GC, ICP.

Trouble shooting for GC

Recognized as a certified analyst through proficiency testing, verifying reliability and accuracy in highly delicate, micro-level analytical testing

Analyzed harmful substances in cosmetic products using GC/FID, GC/MS, mercury analyzers.

Maintained LIMS records and conducted quality documentation processes.