Phone: (715) 387-0484

About Us

PreventionGenetics - Disease Prevention Through Genetics Testing


PreventionGenetics - Disease Prevention Through Genetics Testing

Where We're Located

PreventionGenetics is located in Marshfield, Wisconsin.

What We Do

We offer DNA Banking and Clinical DNA Testing. We are a CAP/CLIA accredited lab dedicated to the highest quality and ethical standards.

We are a gold sponsor of Pediatric Lab Utilization Guidance Services (PLUGS). Through utilization management strategies at PreventionGenetics, over 1.3 million healthcare dollars are saved annually.

Trust In Us

We take confidentiality and patient privacy very seriously. DNA and patient data will not be shared with third parties. We store DNA at multiple secure locations for at least 50 years. At the request of an authorized party, banked DNA can be withdrawn for testing or destroyed.

Senior Staff Members

James Weber, Ph.D.

Founder and President

James Weber, Ph.D. - Founder and President of PreventionGenetics

Dr. Weber founded PreventionGenetics in 2004 with a vision of "disease prevention through genetic testing." That vision has helped build a rapidly expanding company that provides comprehensive low cost, high quality clinical DNA testing for physicians, genetic counselors and other health care professionals.

An internationally acclaimed research scientist, Dr. Weber was a major contributor to The Human Genome Project. His discovery of Short Tandem Repeat Polymorphisms (microsatellites) and creation of the Marshfield Maps of the human genome was a significant advance in human genetics. He has authored or co-authored more than 200 peer-reviewed scientific publications (View his CV).

Dr. Weber received a B.S. degree in chemistry from the University of Wisconsin-Madison, and a Ph.D. in biochemistry from the University of California-Berkeley. From 1982-1986, he served in the United States Army working on malaria vaccines at the Walter Reed Army Institute of Research in Washington. In 1986, Dr. Weber joined Marshfield Clinic Research Foundation where he was senior research scientist, director of the Center for Medical Genetics and director of the National Institutes of Health-funded Mammalian Genotyping Service.

Amy Nystrom

Chief Business Officer

Amy Nystrom - Chief Business Officer of PreventionGenetics

Amy Nystrom joined PreventionGenetics in January 2013. As the Chief Business Officer (CBO), she is the President's chief advisor for oversight and administration of all business aspects of the company, including financial management, legal, risk management, accounting and tax matters, human resources, ownership structure, and business development. She assists the president with creating, communicating, executing, and sustaining strategic business initiatives ensuring that the Company's business operations are efficient and effective and the Company maintains financial stability. As CBO she serves as secretary to the corporate board of directors and is the director of accounting and business development.

A 28-year career in the financial, information technology and dental industries has given Nystrom the wide breadth of experience to expertly lead PreventionGenetics as it continues to expand its menu of test offerings. She most recently served as the chief financial officer (CFO) for a full-service, North American dental laboratory. Her dental industry experience has given her valuable insight into the health care field and FDA regulations, as well as all aspects of executive level business management and decision-making.

Nystrom is a graduate of Central Michigan University, holding a bachelor's degree in accounting and finance. She earned a master's degree in business administration from Lakeland College in Sheboygan, Wisconsin.