Wren Keber, Lisa Soroka, and Matthew Warfield

Keber_Wren_Square.jpgWren Keber is a Managing Partner at Cardinal Consulting Group. Mr. Keber’s practice focuses on the development and operations of provider networks and payer strategy for integrated delivery systems, community hospitals, and public organizations. He has particular expertise in Medicare and Medicaid contracting, as well as performance improvement. He can be reached at [email protected] or (213).291.9061.

Since the time of publication, Wren has transitioned to Huron Consulting Group, where he leads the Managed Care team and continues to support clients on a wide variety of strategy, management and performance improvement endeavors. He can be reached at [email protected].



Lisa-SorokaSQ.pngLisa Soroka is a founding member and Principal of The Marblehead Group, LLC, an international healthcare consulting firm focusing in the areas of strategy, business development, financial analysis and modeling, operations, contracting, and hospital/system/research institute and physician/faculty alignment. Ms. Soroka’s clients include public, private, and county hospitals/systems, academic medical centers (AMCs), physician groups, health plans, research institutes, and global reinsurers. She can be reached at [email protected] or (310).503.5510.



Warfield_Matthew_Square.jpgMatthew Warfield is an analyst at Cardinal Consulting Group, a management consulting firm based in Los Angeles serving the healthcare industry nationwide. Mr. Warfield has a background in applied economics and assists clients in analyzing the profitable transition to value-based payments. He can be reached at [email protected] or (213).291.9061.