Leadership Team
Data Niche Associates Management Team

George Mathew, President, received his Master of Business Administration from Saint Louis University.  With a distinguished career spanning over 21 years in the pharmaceutical industry, George oversees all operations of Data Niche, the leading provider of Medicaid and Managed Care Rebate Validation and Marketing solutions.  

Eirik Olsen, Director of Sales, received his Master of Business Administration from University of Chicago in Finance and Marketing 1991. Eirik's career in sales began by "carrying the bag" for Marion Laboratories and went from there to the PBM industry. His most recent stints included sales leadership and business development at Caremark, and similar roles at PharmaCare and Allscrips.  Eirik's responsibilities at Data Niche include leading the sales team and finding new ways to serve client needs.

Milan Raich, Director of Government & Managed Care Relations, received his Master of Science in Health Systems Management from Rush University in Chicago. He began his health career at Rush Presbyterian St. Luke’s Medical Center consulting on tele-health and tele-medicine projects for the Advanced Technology & International Health Group. His most recent experience includes business development work in the managed care market with Advantage Health Solutions along with provider network development and ambulatory facility planning with Unity Healthcare; he also held administrative roles with The University of Chicago Hospitals. At Data Niche, Milan is responsible for state and federal government data acquisition and enhancing managed care relations.