Happy skin starts with a balanced microbiome
Who We Are

About Gladskin
Gladskin is a consumer skincare brand. Our high quality skin and body care products foster skin health and are formulated with as few ingredients as possible.

Our Science
Gladskin’s proprietary endolysin technology restores bacterial balance to the skin microbiome.

Our Formulations
Gladskin products are dermatologist recommended, hypoallergenic, fragrance-free, and designed for sensitive skin.
Our Global Footprint
Gladskin is available in the United States and Europe. Visit our consumer sites to discover our full product offerings and learn more about what we do.


Our Leadership Team

Floor Pietersma
Chief Executive Officer, METCH
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About Floor
Floor Pietersma has served as CEO of METCH since June 2023, where she runs the day-to-day business and leads production and strategic B2B partnerships. She is passionate about microbiome science and has spent the majority of her career growing Gladskin’s endolysin technology and product offerings. She joined METCH’s Micreos Group as a senior scientist in 2011 and has since held numerous roles at Micreos Human Health and Micreos BV, including scientific, business development and organizational positions.
Floor received a BSc in Pharmacy and MSc in Biomedical Sciences from the University of Utrecht and holds a PhD in Immunology from University Medical Center, Utrecht, where she researched T-cell immune responses following viral infections in stem cell transplant patients.
She lives in Bilthoven, The Netherlands, with her husband, 3 children, and her Labradoodle Tommie.

Michel Zweers
Chief Financial Officer, METCH
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About Michel
Michel Zweers is CFO of METCH, where he oversees financial and strategic operations. He is a member of Micreos BV’s executive board. Michel is an experienced financial leader who has positioned numerous companies for growth, valuation, and shareholder value. Previously, Michel served as CFO and member of the executive board of PTV Group, which sold to Porsche Automobil Holding SE in 2017. He is an investor and strategic advisor to several startups and scale-ups in The Netherlands.
Michel studied Business Economics at Amsterdam University of Applied Sciences. He lives in Bussum with his wife, 2 kids, and Goldendoodle Benghi.
Partner With Us
METCH welcomes inquiries from innovators and partners committed to advancing our work. We look forward to hearing from you.
Work With Us
Job seekers: are you interested in accelerating skin microbiome science and creating products that make a difference in people’s lives? Check out our open roles to learn more and apply.
