William Sun Cheong
Anaheim
Summary
Dynamic and results-driven Assay Development Manager with extensive experience at Cell Carta, excelling in assay development and quality control. Proven expertise in microtomy and equipment maintenance, complemented by strong communication skills. Successfully led teams to enhance assay quality and streamline processes, ensuring compliance and operational excellence.
Overview
14
14
years of professional experience
2
2
Certifications
Work History
Histotech II
Hoag Hospital New Port
11.2023 - Current
- Performed microtomy procedures for tissue samples
- Conducted routine embedding of tissue samples for sectioning
- IHC/Special staining
- Manual staining
- QC Slides
- Troubleshoot various platforms for IHC/Special staining
- Validation of Antibodies/Detection Kits
Assay Development Manager
Cell Carta (Mosaic Laboratories, LLC
03.2022 - 01.2023
- Develop new assays and multiplexes
- QC on assays
- Consult assay quality and improvements
- Maintain assay schedule
- Assay Transfers
- Maintenance on Autostainers
- PQ, IQ, OQ on autostainers
- Pass and Fail on controls
- Update SOPs and training
Laboratory supervisor
Cell Carta (Mosaic Laboratories, LLC)
03.2021 - 01.2022
- Annual review for all employees
- Timecards and time off requests for employees
- Organized documents for audits
- Coordinated meeting schedules for staff
- Maintain autostainers and other equipment
- Update SOPs and employee training forms
Lead Histotech
Cell Carta (Mosaic Laboratories, LLC)
03.2017 - 03.2021
- Section paraffin-embedded tissue
- Section frozen tissue
- Process and embedding tissue
- Perform special stains
- Perform immunohistochemistry
- Perform FISH manually
Histo-technologist
Quest Diagnostics SJC
02.2012 - 03.2017
- Job consists of daily performance of cutting blocks, running tests including, IHC, ISH, HER2, Special staining, Grossing Bone Marrows and Wright-Giemmsa.
- QA all the stained slides and other possible patient impact materials
Relief Per-Diem
Neo-Genomics
12.2013 - 02.2014
- Performed routine microtomy, set up samples, and conducted QC for H&E stains.
Education
Bachelor of Science - Biology
Temple University
Philadelphia, Pennsylvania01.2009
Skills
- Microtomy
- Cryostat sectioning
- Grossing bone marrows
- IHC
- ISH
- Microscopy
- Communication skills
- Work ethic
- Equipment maintenance
- Quality control
- Laboratory management
- SOP updates
- Assay development
Certification
HTL
Timeline
Histotech II
Hoag Hospital New Port
11.2023 - Current
Assay Development Manager
Cell Carta (Mosaic Laboratories, LLC
03.2022 - 01.2023
Laboratory supervisor
Cell Carta (Mosaic Laboratories, LLC)
03.2021 - 01.2022
Lead Histotech
Cell Carta (Mosaic Laboratories, LLC)
03.2017 - 03.2021
Relief Per-Diem
Neo-Genomics
12.2013 - 02.2014
Histo-technologist
Quest Diagnostics SJC
02.2012 - 03.2017
Bachelor of Science - Biology
Temple University