The team behind OdorSol

Chief Executive Officer

The leader who turns vision into results.

Joshua Johnston is a business leader with experience building and scaling science-driven companies. He combines financial discipline, operational leadership, and commercial strategy to help innovative technologies become successful businesses.

A graduate of the University of Washington's Foster School of Business, Joshua has led ventures through fundraising, product launches, strategic partnerships, and commercial growth. Earlier in his career, he served in a senior finance role supporting an $80 million initial public offering on the London Stock Exchange, providing a foundation in capital markets, corporate finance, and organizational scale.

As Chief Executive Officer, Joshua leads the company's strategy, operations, and growth initiatives. He is responsible for aligning scientific innovation with commercial execution, building the partnerships, systems, and organizational capabilities required to bring trusted hypochlorous acid solutions to market and scale them successfully.

Chief Science Officer · Inventor

A veterinarian who spent 40 years proving that clean can be safe.

Dr. Jeff Williams began his career as a veterinary clinician in England, treating small animals before transitioning into academic biomedical research. He spent more than 25 years at Michigan State University, including two decades as Professor of Microbiology and Molecular Genetics. He still operates a working livestock farm in Washington state — caring for sheep and goats with the same products he formulates.

A globally recognized expert in microbiology and infectious diseases, Dr. Williams has authored over 200 scientific papers and textbook chapters. He is a Fellow of the American Association for the Advancement of Science (AAAS), has served on the Board of Counselors for the U.S. National Institute of Allergy and Infectious Diseases (NIH), and has been a trusted consultant to the World Health Organization in Geneva.

In 1998 he founded HaloSource Inc., a biotechnology company focused on advanced antimicrobial solutions. Today, as Chief Science Officer of OdorSol, he brings a rare combination of scientific rigor, hands-on veterinary experience, and global health perspective to every bottle.

Executive Chairman

The entrepreneur who turns breakthrough ideas into businesses.

Simon Johnston is a seasoned entrepreneur and innovator with over 35 years of experience across the healthcare and textile industries. As both a business owner and executive, he has consistently transformed breakthrough ideas into commercially successful ventures.

Holding seven U.S. patents — including multiple in polymer chemistry — Simon brings deep expertise in advanced materials, technology licensing, and global business development. His strength lies in guiding early-stage companies from concept to commercialization, building scalable strategies, and forging high-value B2B partnerships.

A decorated combat veteran, Simon served in the U.S. Army from 1966–1968. He holds a Bachelor of Arts degree from the University of Washington (with Honors).

Simon's career reflects a proven ability to turn innovation into sustainable, growth-driven businesses — making him a key force behind Medesol Global's mission to deliver next-generation solutions grounded in science.