Research & Development

Click here to learn more about our Research & Development.

Mission & Values

Click here to learn more about our Mission & Values.


Learn more about Compliance.

Leadership Team

Learn more about Leadership Team.


Learn more about Careers


Sue Sommer

Sue Sommer
President & CEO

Sue Sommer joined Cordant as president and CEO in April 2012 and brings more than two decades of medical industry leadership experience to the company. Prior to joining Cordant, Sommer held two vice president positions with UnitedHealth Group®, one as vice president of Intersegment Management and the other as vice president of Medicare Solutions. She also has extensive leadership experience in the pharmacy space, leading a $5B Managed Care division for Express Scripts®, the largest pharmacy benefit management company in the United States. In that role, she led the home infusion and specialty distribution subsidiary businesses as well as the integration and strategy for the specialty pharmacy business.

Sommer is a registered nurse and served at the BJC Hospital network in St. Louis, MO. She also received her MBA from Washington University in St. Louis.

Dr. Richard Stripp

Richard Stripp, PhD

Chief Scientific & Technical Officer

As Cordant’s chief scientific & technical officer, Dr. Stripp provides leadership to five toxicology laboratories across the country. He currently serves as a professor of forensic and clinical toxicology at the City University of New York. Additionally, Dr. Stripp is a member of various toxicology organizations, including the American Academy of Clinical Toxicology, and is a certified forensic consultant for the American Board of Forensic Examiners.

Dr. Stripp earned his PhD in pharmacology and toxicology from the St. John’s University College of Pharmacy and Allied Health Professions.

Decia Stenzel

Decia Stenzel

Senior Vice President
Workers’ Compensation and Criminal Justice

Decia Stenzel joined Cordant in June 2013 after 17 years at Quest Diagnostics® in a variety of leadership roles. Having been a world-class athlete, she brings the “can-do” attitude needed to meet the challenges of developing a world-class growth team. Decia is a graduate of the University of Minnesota, with a BA in human physiology.

Val Ruttenberg

Val Ruttenberg

General Counsel

Val Ruttenberg joined Cordant in 2015 as general counsel. Val has almost 30 years’ experience in health care law, including as managing counsel of Government Programs at Kaiser Permanente and as chief counsel of the Medicare division at United HealthGroup, a Fortune 500 company.

Val attended Yale University for her undergraduate degree and the University of Pennsylvania Law School for her juris doctor degree. She also holds a certification in financial management from the University of Michigan Ross School of Business.

Betsy Donat

Betsy Donat-Ardita

Chief Compliance & General Counsel

Betsy Donat-Ardita joined Cordant in 2011 as part of Forensic Laboratories. She has more than 11 years of health-law experience, from private practice to working for DaVita, a Fortune 500 company, where she served as compliance counsel for various departments.

Betsy is a graduate of Purdue University and obtained her juris doctorate at Case Western Reserve University School of Law in Cleveland, Ohio. She is also an active member of the American Health Lawyers Association, the Health Care Compliance Association, and the Colorado Bar Association.

Bob Mann

Bob Mann

Senior Vice President, Enterprise Strategy and Sales

Bob Mann joined Cordant in August of 2012.  Bob spent the last 10 years in the laboratory industry developing and implementing innovative programs for healthcare providers, hospitals and health plans.  Prior to entering the laboratory industry, Bob was an entrepreneur and ran his own successful sales and marketing business.  Bob has both an undergraduate and graduate degree from Clemson University.

Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.