Dr. Leon is the Chair of the Finance Committee and has been a member of the Board of Directors since 2002. He served as President and Chairman of the Board from 1999 to 2004. Dr. Leon is currently a member of the Colonoscopy Study Group, the Physician Recruiting Committee and the Esophageal Subspecialty Committee.

Ms. Brock has led the MNGI human resources (HR) department since 1999. The HR department is responsible for recruitment, payroll, benefits, employee relations, workers' compensation, training and education, credentialing and peer review. Ms. Brock holds a master's degree in clinical psychology from Pepperdine University in Los Angeles and is certified as a Senior Professional in Human Resources (SPHR) and a Certified Medical Practice Executive (CMPE). She has participated in state and national human resources leadership activities.

Ms. Mills is currently responsible for a team of nine directors, who supervise MNGI quality, scheduling, medical records and patient care activities. Since joining MNGI in 1998, she has been responsible for a departmental redesign prompted by the merger of three gastroenterology groups and for developing the infrastructure to support clinical quality initiatives and improved patient access. Ms. Mills has more than 20 years of management experience in a variety of health care settings, including hospital, outpatient clinic, long-term care and durable medical equipment. She holds a bachelor's degree in business administration and is a 2009 graduate of the Minnesota Executive Leadership Program from the Carlson School of Management. Ms. Mills is a member of the Minnesota Medical Group Management Association (MMGMA).