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Our Team

Stephen Farias, PhD

Co-Founder & CEO

Dr. Farias works closely with our customers to define specifications, identify needs, guide installation of our purification systems at their sites and develop long term partnerships. He received his PhD in Materials Science from Johns Hopkins University and Bachelors in Mechanical Engineering from Princeton University.

Sam Rosenthal, PhD

Co-Founder & CTO

Sam received his PhD in Condensed Matter Physics from Johns Hopkins University. He has expertise in emulsions, dielectrophoresis, digital image processing, nano-colloids, materials characterization and multi-physics modeling. Sam leads technical innovation and product development at NanoDirect.

Prof. Robert Cammarata


Truly a titan in the materials science community, Professor Cammarata (Bob) was instrumental in the formation of NanoDirect through his cutting-edge research, mentorship and founding role as CSO. Sadly, Bob passed away in 2016. NanoDirect, however, strives to continue his legacy of excellence and integrity in advancing the field. A more extensive tribute to Bob can be found here.

Scott Gaboury, PhD

Technical Marketing

Scott is an accomplished R&D Executive with 25 years of global industrial experience in the fields of coatings, polymers and specialty materials. He has worked within global chemical conglomerates and entrepreneurial experience having successfully launched companies in electronic textile manufacturing and chemical formulation consulting. Scott brings his vast experience from the chemical processing and smart-garments industries to NanoDirect.

Alex Meltzer, PhD

Product Development Strategist

Alex is a molecular biologist by training and his experience in co-founding life science companies, bringing a wide range of advanced materials products to market, helping him bridge the worlds of science and business.

James Dolgin

Product Development Specialist

With a background in polymer science and engineering out of Case Western Reserve University, and as a Venture for America fellow, James’ passion is finding new solutions for customers and refining NanoDirect’s existing products on the market.

Olumide Kayode, PhD

Product Development Strategist

Dr. Kayode is an ardent structural biologist with detailed knowledge of protease biology and enzyme catalysis. His research experience includes stints with the Cancer Research Training Program within the NCI as well as with the Mayo Clinic Graduate School focusing on Molecular Pharmacology and Experimental Therapeutics.

Kelli Booth

Product Development Specialist

A Georgia Tech trained chemical engineer, Kelli started her 25-year career with a global chemical company and progressed to leading multiple start-ups from idea to revenue.