The day to day operations of the medical center are carried out under the leadership of our administrative team.
Brian Dieter, FACHE, President/Chief Executive Officer
Brian Dieter has served as President and CEO for Mary Greeley Medical Center since July 2008. Prior to that, he was vice president and chief financial officer at MGMC for nearly nine years. Before joining MGMC, he spent 10 years at Ancilla Systems Inc. at three affiliated healthcare organizations in financial leadership positions. Dieter received his Bachelor of Science degree in Business from Indiana University in 1985 and his Master of Science degree in Administration from the University of Notre Dame in 1998. He is a Fellow in the American College of Healthcare Executives and board chair for the Iowa Hospital Education and Research Foundation (IHERF). He is a current member of the Ames Noon Rotary Club and a board member and treasurer for the Ames Economic Development Commission. He previously served as past board president and past campaign chair for United Way of Story County as well as past president of the Ames Morning Rotary Club. Dieter also served as a past chair for the Ames Chamber of Commerce.
Neal Loes, RN, Vice President/Chief Nursing Executive
Neal Loes has served as a Vice President of the Medical Center since 1993. His prior positions include: Director of Quality Management of the Medical Center from 1989 to 1993; Advanced Product Analyst, 3M HIS, Salt Lake City, Utah from 1986 to 1989; Medicare Services Manager, Iowa Foundation for Medical Care, Des Moines, Iowa from 1984 to 1986, and Staff Nurse at the Medical Center from 1981 to 1984. He received his Associate degree in Nursing from Rochester Community College in 1980, his Bachelor of Science degree in Business Administration from the University of Phoenix in 1993, his Master of Science of Healthcare Administration degree from Des Moines University in 2000 and his Bachelor of Science in Nursing from Regis University, Denver, CO in 2006. Loes is a member of the American Organization of Nurse Executives, Iowa Organization of Nurse Leaders and the American College of Healthcare Executives. He has served in leadership roles in AONE, IONL and the Ames Chamber of Commerce Board of Directors. He is a member of the Des Moines Area Community College Nursing Advisory Board, the Grand View College Nursing Advisory Board, the Healthiest Ames Initiative Board, and is an examiner for the Iowa Recognition for Performance Excellence Program. In addition, Loes serves on the Iowa Hospital Association’s Council on Representation and Advocacy.
Lynn Whisler, FACHE, Vice President/Clinical and Support Services
Lynn Whisler has served as a Vice President of the Medical Center since 2002. Her prior positions include: Vice President of Operations, Mercy Hospital, Iowa City, Iowa, from 1990 to 2001; Senior Program Director, Mercy Hospital, Iowa City, Iowa from 1988 to 1990; Administrative Resident, The University of Iowa Hospitals and Clinics from 1987 to 1988; Dental Hygienist, Veterans Administration Medical Center, Iowa City, Iowa from 1976 to 1985; and a Dental Hygienist, Private Practice from 1973 to 1976. She received her Associate degree in Dental Hygiene from the University of South Dakota in 1973, her Bachelor of General Studies degree from The University of Iowa in 1986 and her Master’s degree in Hospital and Health Administration from The University of Iowa in 1987. Whisler is a member of the Iowa Hospital Association and a Fellow in the American College of Healthcare Executives. She is a member of the Ames Morning Rotary, a United Way Women with Initiative committee member and mentor, a committee member for Story County Quality of Life Alliance, and an examiner for the Iowa Recognition of Performance Excellence Program. Additionally, she serves on the Iowa Hospital Association Trauma System Advisory Council and the Iowa Hospital Association Council on Education and Member Services.
Karen Kiel Rosser, Vice President/Quality Improvement Officer
Karen Kiel Rosser serves as the Vice President & Quality Improvement Officer for Mary Greeley Medical Center. Before joining Mary Greeley Medical Center, she was the Vice President of Performance Excellence and Managed Care at Agnesian HealthCare, an integrated health care delivery system in Fond du Lac, WI. In this role, Kiel Rosser spearheaded the development and implementation of a system-wide framework for performance excellence utilizing criteria from the Malcolm Baldrige National Quality Award Program as well as the tools of lean and six sigma. Her positions prior to Agnesian HealthCare included Network Development Director at Humana Health Plan in Milwaukee, WI, and Ambulatory Clinic Manager for Aurora Health Care in Milwaukee, WI. She holds a Master’s Degree in Health Care Administration from the University of Minnesota and a Bachelor’s degree in Communications and Public Relations from the University of Wisconsin, Whitewater. Kiel Rosser is a certified lean six sigma green belt, an examiner, coach and judge for the Iowa Recognition for Performance Excellence Program, and is on the Board of Examiners for the Baldrige National Quality Award Program. Additionally, she is a member of the Ames Morning Rotary Club, a board member for United Way of Story County, and a participant in Leadership Ames (class XXIV) program.
Gary Botine, Vice President/Chief Financial Officer
Gary Botine joined the Medical Center in March 2014 as Vice President/Chief Financial Officer. Prior to that, Botine served as vice president for human resources at Danfoss Power Solutions. In that position he was responsible for human resources functions for an organization of 6,500 employees. Botine joined Sauer-Danfoss (now Danfoss Power Solutions) in 1993 and served in a number of leadership positions with the global manufacturing company in the areas of human resources, finance, manufacturing, and information technology. Botine began his career in public accounting with Deloitte & Touche and Grant Thornton. He is a certified public accountant. He received his Bachelor of Arts degree in Accounting from University of Northern Iowa in 1986. Botine has been active in a variety of community organizations in Ames and Story County, including chairing the 2011 United Way of Story County campaign, serving on the Ames Public Library Board of Directors, Ames Noon Rotary Club Board of Directors, the Center for Creative Justice Board of Directors, President of the Bethesda Lutheran Church Council, an examiner for the Iowa Recognition for Performance Excellence Program, and the Ames Chamber of Commerce Board of Directors. Botine and his wife, Heather, also spearheaded a $300,000 capital campaign for the Ames Community School District. Botine currently serves on the Board of Directors of the Ames Convention and Visitors Bureau, chairs the Main Street Cultural District (MSCD) economic development committee and serves on the MSCD Board of Directors. He has been appointed to the Board of Governors of Iowa Total Care, a wholly owned subsidiary of Centene Corporation.