Who We Are

Our Story

Nu-Tek BioSciences develops and manufactures peptones and protein hydrolysates for industry leading biotechnology and pharmaceutical companies. Our portfolio of products is used in a variety of applications ranging from mammalian cell culture to industrial fermentation. They are also used in the manufacture of allergen-free probiotics and other high-value nutritional products.

Your partner for cell culture media supplements

Nu-Tek is an industry leading, solutions-based manufacturer delivering superior customer service and performance-improving cell nutrition. Extensive manufacturing experience has enabled the company to develop proprietary manufacturing processes, which can be used to produce nearly any peptone or hydrolysate of interest, making Nu-Tek the go-to option for custom manufacturing.

Creating a culture of excellence

Nu-Tek 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 customers’ teams.

Our People

Thomas Yezzi

Founder & CEO

Kent McCoy

Chief Financial Officer

Chris Wiedel

Chief Business Officer

Garrett Tisdell

Director of Quality

William “Rocky” Fenske

Director of R&D

Anna Schiltz

Director of Finance & HR

Jeff Dahle

Plant Manager

Customer Testimonials

“My experience with Nu-Tek has been awesome. They helped when I was sourcing material. [Nu-Tek] came through, pricing was great, and we made cost savings. Orders have always come in on time. Sales has done a great job of staying in touch with me and asking if we need anything, and they let me know when a big run is coming up in case we need material. Customer service has been great. I’m glad we hooked up with them, it’s been a good fit for us. Keep up the good work!” 

North American Buyer
@ a Global Manufacturer

“Excellent products. Outstanding service. Highly efficient team.”

@ an International Distributor

“Having worked with many production facilities over the last 20 years, Nu-Tek stands out as a true leader in the industry. Not only is their facility second to none, but the knowledge, experience, and quality of their people drives them to excel in everything they do.”

President & Founder
@ a Contract Manufacturer

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

Culture Media Manufacturer

“Nu-Tek Biosciences 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”

Anonymous Customer

“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