Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Timeline
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Pui Shan (Sara) Chung

Montvale,NJ

Summary

Detail-oriented Lead Technologist with expertise and a background in conducting complex diagnostic testing and managing laboratory operations efficiently. Strong analytical skills, adept at troubleshooting technical issues, and maintaining high standards of quality control. Proven ability to adapt to new technologies and methodologies in fast-paced environments, enhancing laboratory productivity and efficiency.

Overview

27
27
years of professional experience
1
1
Certification

Work History

Lead Technologist

NeoGenomics Laboratories
Ramsey, New Jersey
04.2025 - Current
  • Supervised and trained colleagues engaged in laboratory testing and monitored appropriate quality documentation.
  • Collaborate, conduct, and perform validation studies against parameters using various approved tests.
  • Effectively helping in the transition of our current procedure (Beckman FDA-approved ClearLLab) to the new procedure (Neogenomics Laboratory-developed assay). assay).
  • Oversaw day-to-day inventory management and departmental equipment maintenance.
  • Prepared and analyzed internal and external quality reports for management review.
  • Collaborated with the quality assurance team to address quality concerns effectively.

Flow Cytometry Technologist-Lead Tech

Pathline Laboratory
Ramsey, New Jersey
06.2013 - 04.2025
  • Process specimens, validate, and interpret flow cytometry tests (e.g., leukemia/lymphoma immunophenotyping, PNH (paroxysmal nocturnal hemoglobinuria), and Zap 70).
  • Assisted in validation from six-color to eight-color platforms on laboratory-developed assays.
  • Performed validation from eight colors (LDA) to ten colors on the Beckman FDA-approved ClearLLab platform.
  • Assisted in the validation of a new PNH lysed, no-wash WBC protocol.
  • Performed instrument settings as needed.
  • Review and approve test results for accuracy and completeness.
  • Train and mentor new and existing staff in flow cytometry principles and procedures.
  • Working as an acting supervisor, ensure all remedial actions are taken whenever test systems deviate from the laboratory's established performance specifications.
  • Collaborate with pathologists to refine testing protocols, or address clinical questions.
  • Involved in the EHS and quality team to conduct regular safety audits and inspections.
  • Reviewed all external proficiency testing, including New York State, and CAP proficiency.
  • Troubleshooting instrumentations (Beckman Coulter Navios, Gallios, EX, Aerospray Hematology Stainer).
  • Performed monthly inventory checks to ensure sufficient stock levels for all products.

Lead Flow Cytometry Technologist

BioReference Laboratories
Elmwood Park, New Jersey
05.2008 - 05.2013
  • Supervised daily operations of laboratory personnel, ensuring that all activities were completed according to established protocols.
  • Process and interpret flow cytometry testing, including L/L, PNH, and Zap70, in a high-volume setting.
  • Prepared and validated six-color antibody cocktails.
  • Created and trained staff on building new instrument settings for FACSCanto machines.
  • Trained new employees on lab techniques and equipment usage effectively.
  • Assisted in the clinical setup of the flow cytometry setting at John Theurer Cancer Center at Hackensack Meridian Health.
  • Familiarized with FACSCanto II, FCS Express analysis software.
  • Troubleshooting and requests for service as needed.
  • Monitored inventory levels of supplies and ordered materials as needed

Senior Laboratory Technologist III

Memorial Sloan Kettering Cancer Center, CI depart.
New York, NY
08.1998 - 05.2008
  • Staining, acquiring, and analyzing 2 to 6 color immunophenotyping using flow cytometry on PB, Ficolled products, cord blood, BM, and umbilical cord blood stem cells.
  • Knowledgeable in the following flow cytometry software/instrumentation from Becton Dickinson, including FACSComp, CellQuest, Multiset, FACSDiva, FACScan, FACSCalibur, and FACSCanto.
  • Assisted the supervisor in the establishment of clinical research projects for potential clinical assays (Circulating Tumor Cells, Dendritic Cells, CD34+ Stem Cells, umbilical cord blood transplant, etc.).
  • Building new analysis templates as needed.
  • Assisted in the transition from a 3-color to a 6-color Flow Cytometry platform.
  • Performed training in flow cytometry immunophenotyping, as well as immunological assays, for new staff, including CD34 stem cells, T, B, and NK cell panels, CD4/CD8, cell Ficolling, lymphocyte transformation assays, cell surface and intracellular staining, NK cytotoxicity chromium-51 assays, and radioactive labeling of cells using H3.
  • Prepared and reviewed all external proficiency testing, including New York State, CDC, NIAID, and CAP proficiency.
  • Conducted the operation of the laboratory in the absence of a supervisor.
  • Maintaining inventory and ordering supplies when necessary.
  • Performed a validation study on the Hospital LIS system (OMS, DMS, Sunquest, and Omni Vision).

Research Laboratory Technician

MSKCC- Immunology Laboratory
New York, New York
05.1998 - 08.1999
  • Performed high-volume sample preparation, including DNA extraction, PCR amplification, hybridization, and chemiluminescent signal detection.
  • Involved in a National Marrow Donor Program (NMDP) including HLA-Class I and Class II DNA typing
  • Prepared reagents and maintain inventory supply

Education

Bachelor of Science - Biochemistry

SUNY At Stony Brook
Stony Brook, NY
05-1997

Skills

  • Process optimization
  • Problem solving
  • Leadership skills
  • Validation studies
  • Compliance monitoring
  • Laboratory testing
  • Data analysis
  • Attention to detail
  • Inventory management
  • Time management abilities
  • Independent and Self-directed

Certification

  • NYS Clinical Laboratory Technologist License
  • Major: B.S. in Biochemistry. Minor: Business

Accomplishments

  • 2006 Technologist of the year finalist at MSKCC.
  • Magna Cum Laude and Dean's list at Stony Brook

Timeline

Lead Technologist

NeoGenomics Laboratories
04.2025 - Current

Flow Cytometry Technologist-Lead Tech

Pathline Laboratory
06.2013 - 04.2025

Lead Flow Cytometry Technologist

BioReference Laboratories
05.2008 - 05.2013

Senior Laboratory Technologist III

Memorial Sloan Kettering Cancer Center, CI depart.
08.1998 - 05.2008

Research Laboratory Technician

MSKCC- Immunology Laboratory
05.1998 - 08.1999

Bachelor of Science - Biochemistry

SUNY At Stony Brook

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