About Us

Technology. Value. Solutions.

Nu-Tek BioScience develops and manufactures peptones and protein hydrolysates for the biotech and wellness foods industry. A portfolio of products allow for use in a variety of applications ranging from human pharmaceuticals to agricultural marketplaces. Nu-Tek peptones are most commonly used in microbiological media, fermentation nutrient systems, as well as, tissue and cell culture media. They can also be found in the wellness foods sector, used in the manufacture allergen-free probiotics and serving as nutritional protein hydrolysates.

Extensive experience with proteins and associated manufacturing practices have enabled the development of proprietary processes used at the firm today. The unique processing techniques produce peptones which have been proven to increase growth rates and yields. Coupled with superior customer service, Nu-Tek creates additional value in manufacturing as a solutions-based manufacturer. Flexibility and openness to innovation allows for customization of products to meet firm specific needs.

Nu-Tek BioScience and its employees will strive to uphold our corporate quality policy, which is to deliver and continually improve the quality of our products.  This is achieved through a company culture of valuing our customers and employees.   Our dedication to quality improvement is expressed through continual support and encouragement of our own as well as our customer’s teams. 


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President and Founder

Thomas has over 20 years’ experience in the food ingredient and biotech industry and has developed a broad network of venture partners, investors, and research scientists. Mr. Yezzi holds Bachelors and Masters degrees in Food Science from the University of Minnesota where his research focus was food and industrial microbiology. Entrepreneurial focus on start-ups and early stage companies has lead to the founding of Nu-Tek Products, a business incubator for wellness foods and life sciences ventures. He also serves as the President of two portfolio companies, Nu-Tek BioSciences and Nu-Tek Fibers.

Mr. Yezzi was a co-founder of Nu-Tek Salt and served as President through the start-up and commercialization phases of the Company. His efforts contributed to sizeable funding from large VC’s such as Khosla Ventures. Throughout his career, Thomas has also held senior management positions including Vice President of Operations at Protient, Inc. where he helped build and ultimately sell the firm using VC funding. Mr. Yezzi was also Director of Process and Product Development at Northern Food & Dairy, Inc. where he managed and generated new business in the nutraceutical and dairy industries.

Chief Financial Officer
Kent McCoy

Director of Quality & Tech
Dustin Grossbier

Chief Business Officer
Chris Wiedel

Business Development
Mark Brodsky

What Our Customers Say

“Nu-Tek came through when other suppliers were unable to supply Soy peptone. They really helped us out.”

-Culture Media Manufacturer

“Nu-Tek Bioscience provides the product we need with shorter lead times and excellent customer service.”

-Contract Manufacturer


“Not only does Nu-Tek provide us with a superior product, the customer service provided is always above and beyond. From the minute the order is placed, until it arrives in our warehouse, I am confident that Nu-Tek is making my company’s needs a priority.”

-Industrial Fermentation Company

“Nu-Tek partners with customers from initial research concepts and sample evaluation, through scale-up and commercialization. We've appreciated their rapid response to our questions, continuous quality improvement and ability to customize products, packaging and delivery for our various applications.”

-Anonymous Customer