Materials engineer with 12+ years testing consumer products. Former quality assurance lead at major retail brands. Specializes in product safety and durability testing.

Dr. Marcus Chen is a materials engineer and consumer product specialist with over 12 years of experience evaluating everyday household and personal care items. He earned his Ph.D. in Materials Science from the University of Michigan and has worked with retailers including Target's quality assurance division and as an independent consultant for mid-market consumer brands.

Marcus has tested thousands of products across categories including personal care tools, cleaning supplies, and household accessories. His work focuses on material durability, user safety, and real-world performance testing. He has contributed to industry publications on product standards and consumer safety.

He conducts hands-on testing in his certified laboratory in Portland, Oregon, where he evaluates products against industry benchmarks and real-world usage scenarios. Marcus is committed to providing honest, evidence-based assessments that help consumers make informed purchasing decisions.