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Waters Corporation, the world's leading specialty measurement company, has pioneered chromatography, mass spectrometry and thermal analysis innovations serving the life, materials and food sciences for nearly 60 years.
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Unlocking the Mysteries of Liquid Chromatography: Technical Expert Roundtable

RECORD | Already taken place We, 12.3.2025
In the final session of our webinar series, we will be joined by some Waters technical experts in liquid chromatography. This session will provide a discussion on the topics highlighted throughout the series.
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Waters Corporation: Unlocking the Mysteries of Liquid Chromatography: Technical Expert Roundtable
Waters Corporation: Unlocking the Mysteries of Liquid Chromatography: Technical Expert Roundtable

Join us for our upcoming webinar series, Unlocking the Mysteries of Liquid Chromatography. This series is for anyone looking to build or refresh their knowledge base in column chemistry, liquid chromatography, and system troubleshooting. Whether you're a seasoned professional or a newcomer to the field, these webinars will enhance your understanding and skills.

Each session dives into a specific aspect of your LC system, covering topics such as:  

  • The theory and essentials for achieving great separations.
  • The key components of your LC system
  • Experimental design for reliable and reproducible results
  • How to monitor and troubleshoot your methods effectively

Session 5: Unlocking the Mysteries of Liquid Chromatography: Technical Expert Roundtable

In the final session of our webinar series, we will be joined by some Waters technical experts in liquid chromatography. This session will provide a discussion on the topics highlighted throughout the series:

  • Column chemistry
  • LC systems
  • Experimental design
  • Method monitoring and troubleshooting

Our experts will share their insights, detailing how they set up their systems and methods for success. Participants will have an opportunity to gain experience from these seasoned professionals. Additionally, our experts will address your questions, providing practical advice and troubleshooting tips to help you optimize your workflows.

Presenter: Michael Topka, Ph.D. (Senior Technical Support Specialist, Waters Corporation)


Michael Topkaholds a BSc (Hons.) in Chemistry from Union College (Schenectady, NY) and a PhD in Chemistry and Chemical Biology from Rensselaer Polytechnic Institute (Rensselaer, NY). With a robust background in analytical chemistry, Michael has consistently leveraged science and technology to address complex challenges. Transitioning from a quality control environment as a Waters customer, Michael now serves as a Waters Technical Specialist. In this role, he utilizes his comprehensive expertise in Waters' complete solutions, encompassing chemistry, liquid chromatography, and detection methods ranging from visible absorption to mass spectrometry. Michael is dedicated to assisting customers in developing efficient and robust methods, as well as troubleshooting existing ones to ensure their success.

Presenter: Rich DeMuro (Principal Technical Support Specialist, Waters Corporation)

Rich joined Waters as a Technical Support Specialist in 2008. Based in the Waters Chicagoland Applications Lab, he is responsible for the support of Waters separation, MS and informatics platforms as well as their applications. During his long year career in the analytical instrument industry, he has worked extensively with a broad range of techniques while specializing in the field of liquid chromatography and mass spectrometry. Rich earned a BS in Nutrition from the University of Delaware and serves on the board of the Chicago Chromatography Discussion Group as the chair of their HPLC education initiatives.

Presenter: Marie-Christine Tang (Technical Support Specialist, Waters Corporation)

Marie-Christine is a Technical Support Specialist in the Montreal area fluent in French and English, catering to the local needs. She supports sales and customers by sharing her knowledge on Empower, MassLynx, waters_connect, HPLC, and LC-MS, with more focus on small molecules applications. Prior to joining Waters, she has cumulated 14 years of experience working in a mass spectrometry platform at University of Montreal developing methods in LC-MS/MS, high resolution MS, purification and helped managing an open access lab.

Moderator: Maggie Christian (Principal Chemistry Market Development Manager, Waters Corporation)

Maggie Christian holds a BS in Analytical Chemistry from Colorado State University and an MBA from Vlerick Business School. With over 15 years of experience in the industry, she excels at providing solutions that drive her customers' success. Maggie's career at Waters began as an instrument sales representative, eventually transitioning into a business development role. Her strategic thinking and passion for innovation were key in forging partnerships across diverse industries. After moving into the Senior Chemistry Account Manager position, she further expanded her expertise to better support her customers' needs. Maggie continues to leverage her in-depth knowledge to raise awareness of the latest techniques and provide ongoing support to her clients.

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