Leadership Team


Chief Executive Officer

Mary A. Shehan, DNP, RN, came to Weiss Memorial Hospital in July 2015, assuming the role of Chief Nursing Officer. In October of 2017, Dr. Shehan assumed the role of Interim Chief Executive Officer and then subsequently accepted the role as Chief Executive Officer in March of 2018.

Prior to this, Dr. Shehan was the senior vice president and chief nursing executive at Swedish Covenant Hospital in Chicago, where she also served as the nursing home administrator for Swedish Covenant Hospital’s Extended Care Facility.

During her nursing career, Dr. Shehan has held a variety of positions including clinical nurse specialist for surgical services, operating room nurse manager, and director of surgical and obstetrical services.

Previously, Dr. Shehan was an associate professor to the adjunct faculties at Rush University College of Nursing as well North Park University, College of Nursing. In addition, Dr. Shehan had held the role of nurse surveyor for the Healthcare Facilities Accreditation Program.

Dr. Shehan earned her BSN in Nursing from the University of Illinois, her MSN in Nursing from Loyola University Chicago, and her DNP from Rush University in Chicago, Illinois. Dr. Shehan is a fellow of the Advisory Board leadership development program for emerging healthcare executives.

Dr. Shehan was appointed in 2014 by the Mayor of Chicago as a commissioner for the North River Expanded Mental Health Services Program. Serving on this commission allows Dr. Shehan to work directly with the community in which she lives, ensuring program funding for this underserved population.


Chief Operations Officer

Carmen Froman, MBA, is an experienced healthcare professional offering a broad range of operational and fiscal leadership expertise. Since joining Weiss Memorial Hospital in 2016, Ms. Froman has steadily increased her responsibilities, serving first as Director of Radiology, then as Senior Director of Diagnostic and Surgical Services, and finally in 2018, as Chief Operations Officer.

Ms. Froman has a proven track record of effectively developing and implementing organizational performance excellence in diagnostic and interventional imaging departments, wound care, cardiology, lab, cancer center/oncology as well as surgical services. Since joining Weiss she has led a push for employee and patient safety that has improved both employee engagement and patient satisfaction, and successfully led efforts to develop partnerships with community health centers to improve access and hospital efficiency, and grow volume in service lines. Ms. Froman was recently recognized as one of Chicago’s Notable Women in Healthcare for 2018 and 2019 by Crain’s Chicago Business.

Prior to her tenure at Weiss, Ms. Froman served in various management roles for The University of Chicago Medicine, Northwestern Medicine Central Dupage Hospital, and MacNeal Hospital. Ms. Froman holds a Master’s in Business Administration and a Bachelor’s in Healthcare Leadership from National Louis University, and Certificates in X-Ray (RT(R) and Cat Scan (CT) from St. Francis School of Radiography. She is a member of the American College of Radiologic Technologists (AART) and Illinois Medical Division of Nuclear Safety (IEMA).


Chief Financial Officer

Irena Dumanis, BS, Finance, joined Weiss Memorial Hospital in May, 2019, assuming the role of Chief Finance Officer (CFO).

Prior to this, Ms. Dumanis was the CFO for Technology Solutions in Bannockburn, IL. She has also served as CFO for Community First Medical Center in Chicago and has held leadership finance positions for FDH Velocitel in Northbrook, Vista Health System in Waukegan, IL and Lincoln Park Hospital in Chicago. Her early career experience includes positions at Wolf & Company, PC, Boston, MA and Arthur Anderson, LLP in Chicago.

Ms. Dumanis earned her Bachelor of Science degree in Accounting from DePaul University. Fluent in Russian, Ms. Dumanis grew up in Chicago’s northwest community and is a proud first generation American.


Associate Chief Financial Officer

Andrew McDonald, MBA, joined the Chicago Region in 2019 with almost 10 years of experience in finance and healthcare finance. With a strong focus on application of analytics, problem solving, and strategy, his areas of expertise include financial analysis and reporting, budget and cost analysis, and cost accounting and data management, among other core competencies. Mr. McDonald works closely with CFO Irena Dumanis in the financial oversight of Weiss and West Suburban Medical Center.

Mr. McDonald earned his Bachelor of Science degree in Accounting from Western Governors University and a Master of Business Administration degree in Accounting and Finance from Robert Morris University.


Chief Nursing Officer

Dina M. Lipowich, MSN, RN, NEA-BC, is a board-certified nurse executive with 20 years of progressive healthcare leadership experience. Prior to joining Weiss Memorial Hospital as Chief Nursing Officer, Ms. Lipowich served in executive roles for several hospitals and medical centers, including Northwest Community Healthcare, Rush North Shore Medical Center and Swedish Covenant Hospital.

Ms. Lipowich’s visionary servant leadership style results in proven performance in operationalizing infrastructure integration through interdisciplinary team collaboration and engagement. She has repeatedly been recognized by The Joint Commission, ANCC Magnet, AONE and STTI for designing and implementing innovative programs and driving value-based outcomes and organizational efficiencies throughout her career.

Ms. Lipowich earned a Bachelor’s degree in Nursing from Rush University, a Bachelor’s degree in Liberal Arts from Lawrence University in Appleton, WI, and a Master’s degree in Nursing from Rush University. She has presented at numerous healthcare industry conferences on the successful implementation of patient care programs.


Chief Human Resources Officer

Cari Netolicky, BS, recently joined Weiss Memorial Hospital and West Suburban Medical Center as chief human resources officer (CHRO) for Pipeline Chicago. Ms. Netolicky most recently served as CHRO/director of human resources at Compass Health Center in Northbrook. A seasoned HR professional, her wealth of experience includes VP, HR at Community First Medical Center in Chicago, senior manager, HR at W.W. Grainger in Lake Forest and escalating responsibility culminating in director, HR at NorthShore University HealthSystem in Evanston.

A graduate of Northern Illinois University with a bachelor of science in business and human resources management, Ms. Netolicky is a certified diversity and inclusion facilitator from Kaleidoscope Group. She is also a member of the Society of Human Resources Management.


Chief Strategy Officer

William “BJ” Krech, MHA is an experienced healthcare professional with proven expertise in strategy and business development. As Chief Strategy Officer for Weiss Memorial Hospital and West Suburban Medical Center, Mr. Krech leads the efforts in strategic planning, physician alignment and recruitment, and key service line development.

Prior to joining West Suburban and Weiss, Mr. Krech held a leadership position at Rush University Medical Center.Mr. Krech earned his Bachelor’s degree in Marketing & Management from Hillsdale College in Michigan. He also holds a Master’s degree in Health Administration from The Pennsylvania State University. Mr. Krech is a member of the American College of Healthcare Executives (ACHE) and the Society for Healthcare Strategy and Market Development (SHSMD).


Director of Quality Management

Ms. Sharon DeVita is an experienced leader in quality management and patient safety. Ms. DeVita began her career in naprapathic medicine, treating patients with connective-tissue pain. While serving as president of the American Naprapathic Association and assisting with state lobbying efforts, Ms. Devita discovered her passion for population/community health.

Returning to school, she earned her MSN from the University of Illinois at Chicago with an emphasis in Community Health Administration. As a nurse, Ms. DeVita worked in the field of hospice care and quickly gravitated toward quality and regulatory compliance, where she developed her skills in this area of healthcare management.

Ms. DeVita joined Weiss in 2014 and served as quality analyst and quality manager before assuming her role as director. She enjoys planning and implementing quality improvement processes throughout the hospital. Ms. DeVita is a member of the National Association of Healthcare Quality, American Nurses Association and Illinois Naprapathic Association.