"Perspectives in Modern HPLC” brings fresh scientific perspectives to chromatography practitioners, covering technical issues, innovative ideas to make chromatography less arduous, and explanations of less-familiar approaches. Columnist Michael W. Dong is a principal at MWD Consulting, where he provides training and consulting services in HPLC, UHPLC, pharmaceutical analysis, and drug quality. He was formerly a senior scientist at Genentech, a research fellow at Purdue Pharma, and senior staff scientist at Applied Biosystems/PerkinElmer.

Column: Perspectives in Modern HPLC

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 has over 20 years of experience in the pharmaceutical industry, contributing to many product registrations. He is currently the Director of Regulatory CMC for Arcutis Biotherapeutics. Leon earned his PhD in analytical chemistry from the University of Delaware.

 is a principal of MWD Consulting, which provides training and consulting services in HPLC and UHPLC, method improvement, pharmaceutical analysis, and drug quality. He was formerly a Senior Scientist at Genentech, a Research Fellow at Purdue Pharma, and a Senior Staff Scientist at Applied Biosystems/PerkinElmer. He holds a PhD in Analytical Chemistry from City University of New York. He has more than 130 publications and a bestselling book in chromatography. He is an editorial advisory board member of LCGC North America and the Chinese American Chromatography Association. Direct correspondence to: 

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