Better Care @ Lower Costs

Dr. Jack McCallum, CEO

Dr. Jack McCallum is IntegerHealth's CEO. Jack worked as a practicing adult and pediatric neurosurgeon for over thirty years, building the premier specialty practice in his area. Prior to founding IntegerHealth, he was a founder of Integration Health Management Associates, one of the earliest firms using data driven evaluation of physician performance, and North Texas Specialty Physicians, an independent practice association with its own health plan that marketed its data driven quality programs nationally. In 2005, Jack was a founding member of Leprechaun, a company that used claims data to assure proper reimbursement for Medicare Advantage plans. In 2009, Jack founded CenseoHealth, a company that provided in-home health risk assessments for Medicare Advantage plans. CenseoHealth later combined with another company and changed its name to Signify Health, and then was sold to CVS Health for $8 billion. Jack is also an author and educator, holding a doctorate in history and a teaching appointment at Texas Christian University (TCU). He has spoken at numerous events and authored several articles and books. Jack holds a Bachelor of Science from Georgia Tech, an M.D. from Emory University, and a Ph.D. in History from TCU.


Office: (817) 849-9402
Cell: (817) 676-4827

Scott Roloff, President

Scott Roloff is IntegerHealth's President. Scott is both a CPA and a lawyer, uniquely blending financial, legal and operational experience; and he is also a Certified Management Accountant (CMA), Certified Internal Auditor (CIA), and Chartered Global Management Accountant (CGMA). Before joining IntegerHealth as one of its co-founders, he was the CFO or General Counsel for companies in the healthcare, software and telecom industries, and he also led a wireless technology start-up in the Caribbean for tourists unable to use their cell phones while on vacation. Prior to going into industry, Scott was a Corporate Partner at the international law firm of Akin Gump Strauss Hauer & Feld where he focused on M&A, SEC and general corporate matters. He holds a BBA in Accounting from the University of Wisconsin‒Whitewater, an MBA from the University of Texas at Arlington, and a J.D. from Southern Methodist University (SMU), where he was the valedictorian of his law school class.

William McCallum, Chief Information Officer

William ("Bill") McCallum is IntegerHealth's Chief Information Officer and leads its workers' compensation practice. Bill has over thirty years of experience in healthcare, focusing primarily on the development and manipulation of clinical and operational data. Bill's skill set bridges information technology with clinical understanding. He has developed a number of healthcare business intelligence capabilities where discrete data from practice management and electronic health record systems download into a proprietary "Data Model" and "Data Cube," supporting operations and clinical improvement with ongoing monitoring across multiple data feeds. Prior to joining IntegerHealth as one of its co-founders, Bill was the CEO of Integration Concepts, a founding member of Leprechaun, and the CEO of Accountable Analytics. He holds a BSEE from Texas Tech University, and a patent on merging disparate data in healthcare.

Kenny Grifno, Chief of Analytics

Kenny Grifno is IntegerHealth's Chief of Analytics. Kenny has over 25 years of experience in information technology, primarily focused on advanced analytics, business intelligence, data warehousing, application development, and big data in the healthcare industry. During this time Kenny has worked with insurance companies, state and federal governments, academic medical centers, hospitals, physician groups, and consulting firms, and with employer health plans. He is passionate about innovating new products and solutions that improve patient and provider outcomes by combining the different functional knowledge areas of business, computer programming, data analytics, healthcare, and supply chain. Kenny is also an Assistant Professor of Information Systems teaching Healthcare Business Analytics courses at the Sam M. Walton College of Business at the University of Arkansas. Kenny holds a B.S. and M.S. from UT Dallas and a Ph.D. from Oklahoma State University.

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