Susan Dang
Redwood City,CA
Summary
Experienced research scientist with expertise in experimental design, data analysis, and scientific writing. Demonstrates strong focus on team collaboration and achieving measurable outcomes. Adaptable with changing needs, ensuring reliability and consistent performance. Proficient in advanced laboratory techniques, project management, and critical thinking.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Senior Research Associate / Scientist II
Seer Inc.
06.2022 - Current
- Led feasibility and development phases of the Proteograph ONE assay, including optimization of assay steps that reduced digestion time from 3 hours to 1 hour, improving workflow speed and efficiency.
- Implemented one-pot denaturing reagent strategy and streamlined digestion protocols, contributing to reduced assay complexity and improved consistency across runs.
- Developed and standardized MS-compatible buffer systems (Tris- and SDS-free) for cell and tissue lysate processing, enhancing mass spectrometry performance and sample quality.
- Determined optimal protein input concentrations for lysate assays through empirical testing across multiple tissue and buffer types, improving assay robustness.
- Executed full pre-verification testing suite (gradient, multi-sample, and DIRECT assays) and led troubleshooting of software automation issues, including peptide quantification method refinements.
- Ensured regulatory traceability and documentation integrity for all lysate protocols to support validation readiness and future audit requirements.
- Designed and optimized pooled plasma strategies, including inventory tracking, pooling method development, and collaboration with Data Science to evaluate sample quality and yield.
- Spearheaded production of high-performing pooled plasma samples for Tech Ops training kits, contributing to improved installation kit quality and consistency.
- Collaborated in uFMEA assessments to identify failure modes and proactively mitigate assay and product risks using data-driven insights.
Senior Research Associate
Rebus Biosystems, Inc.
07.2021 - 06.2022
- Designed and executed consumable stability studies using fluorescent in situ hybridization (FISH) to evaluate product shelf-life and performance consistency.
- Developed and optimized biochemical reagent protocols supporting automated cell and tissue imaging workflows, contributing to improved assay reproducibility.
- Investigated and resolved instrument assay errors related to fluidics and flow cytometry, ensuring consistent system performance and data quality.
- Assembled and prepared biological samples and assay consumables, maintaining sample integrity and workflow efficiency for high-throughput experimentation.
- Authored and implemented protocols and SOPs to support technology transfer from R&D to Manufacturing, including Verification & Validation (V&V) documentation.
- Built macro-enabled Excel tools, including BOM generators and vLookup tables, to streamline data management and improve operational accuracy.
- Standardized Environmental Health & Safety (EH&S) policies across the organization; conducted comprehensive training for lab personnel to ensure compliance.
- Directed laboratory workflow optimization through organization, inventory management, and adoption of continuous improvement practices.
- Performed IQ/OQ/PQ qualifications and routine maintenance on lab equipment such as balances, centrifuges, spectrophotometers, Milli-Q systems, and pH meters to uphold calibration standards and regulatory readiness.
Senior Lab Technician / QC (Assay) Coordinator
Clinical Diagnostic Solutions, Inc.
05.2016 - 06.2021
- Performed complex hematological testing, blood cell identification, and microbiological analysis in accordance with CLSI guidelines, supporting both clinical and veterinary diagnostics.
- Operated, calibrated, and maintained a variety of hematology instruments and lab equipment; ensured performance through routine QC, preventive maintenance, and advanced troubleshooting.
- Conducted data analysis of human and control blood assays, monitored quality metrics, and resolved discrepancies to uphold assay accuracy, compliance, and turnaround time expectations.
- Developed and executed SOPs, validation protocols, and technical reports; designed barcode-enabled control forms to enhance workflow traceability and data integrity.
- Led and supported process improvement and quality control initiatives, including raw material testing, buffer QC (pH, conductivity, osmolality), and reduction of manual assay time.
- Oversaw high-throughput sample processing workflows, effectively managing multiple concurrent assays under strict timelines while maintaining meticulous documentation and instrument logs.
Lab Assistant Support / Manufacturing Associate I
Complete Genomics, Inc.
09.2014 - 01.2016
- Developed and executed SOPs, batch records, and technical documentation for reagent manufacturing processes, ensuring regulatory compliance and alignment with ISO 13485 and ISO 17025 standards.
- Conducted quality control testing and release of in-house reagents and raw materials, including pH, conductivity, refractive index, OD readings, and visual inspections.
- Spearheaded the launch of a new reagent manufacturing lab, overseeing equipment layout, space planning, and inventory setup to optimize operational efficiency.
- Applied Lean Manufacturing, 5S, and Kaizen methodologies to streamline workflows, reduce waste, and improve productivity; participated in Operational Excellence projects.
- Trained and onboarded new employees on manufacturing protocols, Oracle ERP workflows, and safety procedures; served as EH&S representative to ensure daily compliance and safe lab practices.
- Managed inventory planning, order fulfillment, and procurement of consumables; monitored calibration of lab equipment and resolved inventory discrepancies proactively.
Education
Bachelor of Science - Biological Sciences
California State University, East Bay
Hayward, CA06-2015
Skills
- Assay Development & Optimization
- Laboratory Instrument & Maintenance
- Quality Control & Regulatory Compliance
- Technical Writing & Document Management
- Process Improvement & Lean Manufacturing
- Cross-Functional Collaboration & Training
- Inventory & Supply Chain Coordination
- Data Analysis & Troubleshooting
Certification
- Heartsaver First Aid CPR AED issued August 2024
- Workplace Violence Prevention (California) issued July 2024
- JMP Statistical Thinking for Industrial Problem Solving (STIPS) issued June 2024
Languages
English
Native or Bilingual
Cantonese
Native or Bilingual
Vietnamese
Native or Bilingual
Timeline
Senior Research Associate / Scientist II
Seer Inc.
06.2022 - Current
Senior Research Associate
Rebus Biosystems, Inc.
07.2021 - 06.2022
Senior Lab Technician / QC (Assay) Coordinator
Clinical Diagnostic Solutions, Inc.
05.2016 - 06.2021
Lab Assistant Support / Manufacturing Associate I
Complete Genomics, Inc.
09.2014 - 01.2016
Bachelor of Science - Biological Sciences
California State University, East Bay
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