Research & Development

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Mission & Values

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Leadership Team

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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.

Valerie Ruttenberg

Valerie Ruttenberg

General Counsel

Valerie Ruttenberg joined Cordant in 2015 as general counsel. Valerie 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.

Valerie 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 Officer

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.

Brad Eckmann

Brad Eckmann

Chief of Staff

Brad Eckmann joined Cordant in 2013 and has played a lead role across many key functions at the company, including strategic planning and execution, M&A, and finance and accounting. Prior to joining Cordant, Brad served as an investment professional at Waud Capital Partners, a growth-oriented private equity firm based in Chicago, IL. While at Waud, he participated in the founding of Cordant as well as the growth of several other portfolio companies, including Acadia Healthcare (NASDAQ: ACHC) and Maxum Petroleum. Prior to Waud, he served as an investment banking analyst at Morgan Stanley in New York, NY, and Chicago, IL, covering a range of industries.

Rob Hubert

Rob Hubert

Chief Information Officer

Rob Hubert began with Cordant in June of 2016 as the vice president of pharmacy information systems and transitioned into his present role as chief information officer. Rob brings a strong background in the business of solutions management and modern software development architectures. His extensive skills include personnel management, finances, projects and business operations. He previously ran his own dynamic consulting company, so he knows what’s needed to direct client delivery teams to provide innovative solutions to the customer.

Jason Roeder

Jason Roeder

Chief Financial Officer

Jason joined Cordant in June of 2017 with over 10 years of experience in senior leadership positions at private equity owned companies. He also spent eight years at a Big 4 accounting/consulting financial firm.

Prior to joining Cordant, he was CFO of Schryver Medical, an entrepreneurial firm serving the long term care market.

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