Ronald Ree

Managing Partner  Ronald Ree brings over thirty years of health care management and managed care experience to Apogee Health Partners. He has spent over 25 years working in managed care, during which he lead start-up organizations and provided on-going management of four IPA/PHOs. Ron has served on steering committees and advisory boards for several managed care plans. Earlier in his career, he successfully managed a network of 10 community based primary care clinics, and over 75,000 square feet of medical office space.

Past Experience:

St. Bernard Hospital, Chicago: Executive Director/CEO of Partners in Health PHO, Norwegian-American Hospital, Chicago:  Executive Director of Century PHO  Vice President, Business Development & Managed Care St. Joseph Hospital, Chicago: Vice President of Support Services
Highland Park Hospital, Highland Park: Vice President of Administration
Illinois Masonic Medical Center, Chicago: Assistant Administrator


  • University of Chicago, Masters of Business Administration
  • Center for Health Administration Studies

John Castilla

Managing Partner  John Castilla brings over a decade of experience in the health care industry to Apogee. John’s philosophy for business success is based on three important concepts:

  • First, have complete trust in your business associates
  • Second, actually leave the office and aggressively market your product and services
  • Third, have faith in yourself and those around you.

Past Experience:

CHAMPUS US Military Health Plan: Managed Care Contract Specialist, Orsini Health Care.
Vice President of Business Development, Medical Institute of Chicago Director of Cardiology Program

Education: Indiana University Bachelor in Science, Marketing, Vincennes University,  Associate in Science, Pre-Law, Medical Institute of Chicago Cardiology Studies

Additional Certification: Medical Institute of Chicago – Cardiology National Board of Cardiology Registered Cardiovascular Technologist, State of Illinois — Licensed Agent for Life, Health and Accident Insurance

Anthony Majdich

Managing Partner, President and CEO Anthony Majdich brings over 20 years of healthcare management, managed care and information technology experience to Apogee Health Partners. He has extensive experience in the healthcare field including extensive Information Technology”IT” management and leadership. Anthony has held a number of leadership positions in medical billing, physician group practices, other managed care organizations, “MCOs” and IT companies.

Anthony has spent his entire career in healthcare; and has rapidly progressed as a result of his success in dealing with the demands required by the growth and complexity in technology and the healthcare industry itself.

Past Experience:

Anthony owned and operated a medical billing service, IT companies and an MCO. He has held management positions in three major Healthcare entities and four Information Technology companies. Anthony has also served on a number of Steering Committees and Boards during this time period.


  • Western Illinois, Bachelors Degree in Communication
  • Attended The University of Illinois, College of Business