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St. Louis Chapter Board

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Alexa K. Guest


Alexa K. Guest is the Director of Regulatory Affairs for Chemia Corporation with a passion for Beauty, Science, & Research. She holds her Masters in Pharmaceutical Science with an emphasis in Cosmetic Science from the University of Cincinnati, MBA in Entrepreneurship from Southeastern Oklahoma State University, and BS in Biology from Chicago State University. She began her career studying Trichology under L’Oreal’s Sr. Hair Scientist. Alexa currently specializes in the research of pre-market cosmetic regulatory requirements, domestic and international import- export requirements, and international government compliance issues related to the fragrance and flavor industry. Alexa is excited to serve on the St. Louis SCC Board as the Chair for 2024.

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Mallory Peterson

Chair - Elect

Mallory Peterson is a technical perfumer in the duplications department of Chemia Corporation. She completed her undergraduate degree in biology with a minor in chemistry from the University of Missouri- St. Louis. Mallory started her career at Chemia Corporation as a lab technician and worked her way up to the analytical perfumery department where she develops fragrance duplications. Mallory has been an SCC member since 2022 and is happy to have the opportunity to serve on the board.

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Dale Sanson

Secretary & Newsletter Editor

Dr. Dale Sanson has been a formulation/organic chemist for over 30 years and obtained his doctorate at the University of Missouri-Columbia. He also holds BS degrees in chemistry and counseling psychology, as well as an MBA in management. He is the senior director of R&D for Fresh and Clean Pet Grooming Products. Dale is an active member and acting secretary of the board for the St. Louis SCC.

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Alex Breckwoldt


Alex Breckwoldt is the director of research and development for Chemia Corporation, a fragrance and flavor manufacturer. He completed his undergraduate degree in chemistry at the University of Missouri-Columbia. He began his career at Chemia as a laboratory technician and quickly rose to a leadership position. Day-to-day, Alex spends his time managing projects and personnel in the analytical, new product development, and research groups. Additionally, he works to develop the business with Chemia’s partners. Alex was previously an SCC member from 2009 to 2017, and again in 2021. Alex is excited to serve the SCC board as Treasurer for 2024.

The Society of Cosmetic Chemist St. Louis Chapter includes scientists and business people who create strong friendships and business relationships while working together to promote science, innovation, and education.


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