MARK LUC TONG
ClearNote Health
San Diego
1
Certification
14
years of professional experience
Experienced Clinical Laboratory Scientist (CGMBS) with over 10 years in molecular laboratory settings, including 4 years in a supervisory role. Specializes in high-complexity molecular testing, quality systems, and method validation. Leads teams in CAP/CLIA-accredited environments, focusing on troubleshooting, training, and process improvement.
Work History
Senior Clinical Laboratory Scientist - CGMBS
6 Months- Oversaw non-licensed personnel during clinical specimen processing, ensuring adherence to protocols and maintaining quality standards.
- Prepare, test, and evaluate new reagents or controls.
- Participate in research, development, and validation for new methods.
- Provided technical troubleshooting and decision making, escalating problems when required.
- Ensure function and maintenance of all laboratory equipment.
- Evaluated new process improvements and recommended changes based on assessments of technical, quality, and efficiency impacts, driving laboratory enhancements.
- Ensure all work is in accordance with state and federal regulations, organizational policy, and accreditation/compliance requirements.
- Write and edit standard operating procedures to ensure clarity and compliance.
- Assisted in training licensed and non-licensed staff, enhancing team competency and optimizing operational workflows.
Clinical Laboratory Supervisor
4 Years 11 Months- Lead a team of 9 CLS/CLTs in genotyping workflows, competency assessments, and troubleshooting.
- Supervise day-to-day high-complexity molecular testing and ensure CLIA/CAP compliance
- Oversaw validation of new methods and instruments in accordance with regulatory standards
- Monitored QC trends, initiated corrective actions, and upheld assay performance standards.
- Conducted staff training, directed observations, and implemented annual competency assessments.
- Managed personnel, resolved conflicts, and fostered team morale through collaboration across multiple shifts.
- Participated in proficiency testing and prepared documentation for audits and inspections
- Collaborated on laboratory space setup and resource allocation for optimal throughput
- CGMBS
Clinical Laboratory Scientist II - CGMBS
2 Years 11 Months- Operated CovidSEQ sequencing platform and trained staff on NGS procedures
- Executed Illumina Infinium genotyping assays and automated DNA extraction, ensuring quality in sample processing
- Troubleshot and analyzed root causes of array and QC failures to enhance assay reliability
- Documented and updated work instructions while training and mentoring new lab staff to improve onboarding and operational consistency
- CGMBS
Clinical Laboratory Scientist - CGMBS
2 Years 5 Months- Led reagent qualification and SOP development while managing over 300 reference controls to ensure compliance with quality standards
- Led reagent qualification and SOP development, managing over 300 reference controls to ensure compliance with quality standards and maintain integrity of laboratory processes.
- Conducted CAP proficiency testing and designed QC dashboards in Tableau, enhancing data visualization and reporting efficiency.
- Worked closely with R&D; on assay implementation and continuous improvement
- CGMBS
Clinical Laboratory Scientist - CGMBS
1 Year- Performed capillary electrophoresis for FLT3 and NPM1 cancer mutation detection, improving diagnostic accuracy and patient outcomes
- Reviewed patient reports and contributed to quality assurance processes, ensuring adherence to clinical standards and enhancing laboratory reliability
- Executed laboratory tests on human samples for genetic health insights, aiding in accurate diagnosis and personalized patient care.
- Analyzed patient reports and supported quality review processes, ensuring compliance with clinical standards
- Collaborated with multidisciplinary teams to interpret laboratory findings effectively.
- CGMBS
Clinical Laboratory Scientist - CGMBS
3 Years 1 Month- Executed NGS on HiSeq 2000 with robotic liquid handling and fetal fraction analysis, ensuring high-quality sequencing results
- Conducted library prep, maintained instrumentation, and troubleshot NIPT workflows to enhance process reliability
- Supported CAP inspections and developed documentation for LDT protocols, strengthening compliance and operational standards
- CGMBS
Education
Bachelor of Science - Biochemistry, Chemistry
Skills
CAP & CLIA Regulatory Compliance
Method validation
Assay development
Quality control
SOP documentation
LIMS & Workflow Optimization
Preventive Maintenance & Troubleshooting
Laboratory leadership
Certification
- Clinical Laboratory Scientist - CGMBS, California Department of Public Health, MTP 0000517, 06/14
- Bachelor of Science - Biochemistry/Chemistry, University of California, San Diego, 06/11
EQUIPMENT
- Illumina HiSeq2000
- NovaSeq 6000
- IScan
- HAMILTON Starlet
- TECAN
- Bioanalyzer
Timeline
Senior Clinical Laboratory Scientist - CGMBS
ClearNote Health
02.2026 - CurrentRead More
Clinical Laboratory Supervisor
Illumina Inc.
01.2021 - 12.2025Read More
Clinical Laboratory Scientist II - CGMBS
Illumina Inc.
01.2018 - 12.2020Read More
Clinical Laboratory Scientist - CGMBS
Human Longevity Inc.
06.2015 - 11.2017Read More
Clinical Laboratory Scientist - CGMBS
Laboratory for Personal Molecular Medicine
05.2014 - 05.2015Read More
Clinical Laboratory Scientist - CGMBS
Sequenom Inc.
04.2012 - 05.2015Read More
University of California
Bachelor of Science from Biochemistry, Chemistry
Read More