Marian Twohig is a scientist with a passion for problem solving using analytical instrumentation. She has over 18 years of experience supporting quantitative and qualitative applications in the pharmaceutical, food and environmental and materials science industries. She works as a Principal Scientist for Waters Corporation where she has previously held several Senior Scientist positions. Currently, the focus of Marian’s work is in the development of analytical methods to meet the needs of the cannabis industry for safety testing and research applications. Marian holds a Ph.D. in analytical chemistry from Cork Institute of Technology, Ireland.