Summary
Overview
Work History
Education
Skills
Timeline
Generic

Mark Dunn

Relocating To Pasadena, CA In May 2026,GA

Summary

Detail-oriented microbiologist with five years of experience in regulated laboratory environments, specializing in a diverse range of microbiological assays and environmental monitoring techniques. Proven ability to deliver high-quality results consistently while adhering to strict regulatory standards. Committed to fostering a culture of excellence and collaboration, ensuring that all projects meet or exceed expectations.

Overview

6
6
years of professional experience

Work History

Senior QC Microbiologist

OXB / Resilience
Durham, NC
09.2025 - Current
  • Oversaw microbial testing (endotoxin, bioburden, gram stain, growth promotion) and environmental monitoring operations in a cGMP regulated environment
  • Managed end-to-end outsourcing of microbial identification through Charles River to resolve a critical backlog of recovered organisms, effectively closing a yearlong deviation
  • Functioned as the microbiology SME, responsible for training/qualifying new hires on microbiological methods and overseeing all SOP deviations associated with microbiology
  • Led microbiology inventory and procurement activities, including media, organisms, reagents, consumables and equipment calibrations/maintenance

QC Microbiologist III

Piper companies
Durham, NC
11.2024 - 09.2025
  • Executed microbial testing (bioburden, endotoxin, biological indicator, growth promotion) to ensure compliance with cGMP standards
  • Conducted deviation investigations, documented findings in detailed investigation reports, and executed CAPA's to ensure full cGMP compliance and audit-readiness
  • Assisted in continuous improvement initiatives to streamline assay turnaround times, enhance testing methods, and resolve operational challenges
  • Refined outdated SOPs to reflect current practices for efficient training and productivityE

QC Microbiologist II

Azzur Labs
Morrisville, NC
12.2022 - 10.2024
  • Led the implementation of the MicroSEQ ID system for bacterial and mold identification, performing extractions, PCR, and precision lab techniques ensuring rapid turnaround of results while coordinating delivery of findings to the requesting labs for timely decision making
  • Performed growth promotion, gram staining, endotoxin, bioburden, TOC, conductivity and nitrate testing, ensuring timely delivery of results in compliance with quality standards
  • Led cleanroom qualification and commissioning (IQ/OQ/PQ) for rapid sterility testing, including sourcing supplies and equipment, implementing cleaning protocols, and adhering to quality and FDA, USP and ISO standards
  • Oversaw, reviewed and approved project documentation for clients, maintaining detailed records while coordinating with quality to ensure data integrity and compliance

QC Microbiologist I

Eurofins
Morrisville, NC
12.2021 - 12.2022
  • Supported EMPQ of cleanrooms by conducting EM/UM in grade A-D spaces, including air/surface sampling, compressed gas testing, gowning qualification and personnel monitoring
  • Performed growth promotion, bioburden, endotoxin and gram staining with precision in adherence to protocols and regulations
  • Proactively identified deviations in laboratory processes, investigating root causes and implementing CAPAs to resolve issues and maintain compliance with quality standards

Assistant Biologist

Talentburst
Clayton, NC
06.2021 - 12.2021
  • Performed bulk environmental and personnel monitoring in classified cleanroom areas grade A-D
  • Executed laboratory assays and sample management through the use of GXP-compliant systems MODA and SAP, ensuring traceability, data integrity and alignment with quality protocols
  • Streamlined laboratory operations by ensuring equipment was well-maintained, materials were consistently restocked, and safety standards were upheld through meticulous autoclave preparation and cleanliness

QC Lead

Treehouse foods
Faison, NC
11.2019 - 06.2021
  • Authored SOPs and OJTs while creating a comprehensive training program to streamline employee onboarding, boosting seasonal QA technician performance through proper training and enhanced understanding of the processes
  • Developed automated Excel spreadsheets for employee data input, enabling real-time calculations and improving efficiency and accuracy in documentation

Education

Bachelor of Science - Biology

East Carolina University
Greenville, NC
07.2019

Skills

  • Bioburden and Endotoxin Testing
  • Good Laboratory Practices
  • Aseptic Technique
  • Deviation management
  • Environmental Monitoring
  • LIMS software

Timeline

Senior QC Microbiologist

OXB / Resilience
09.2025 - Current

QC Microbiologist III

Piper companies
11.2024 - 09.2025

QC Microbiologist II

Azzur Labs
12.2022 - 10.2024

QC Microbiologist I

Eurofins
12.2021 - 12.2022

Assistant Biologist

Talentburst
06.2021 - 12.2021

QC Lead

Treehouse foods
11.2019 - 06.2021

Bachelor of Science - Biology

East Carolina University