Leadership Team

Karima Bentounsi

Karima Bentounsi, MBA  

Chief Executive Officer 

Karima Bentounsi, MBA, became chief executive officer of Weiss in January of 2017, after five years of serving as the hospital’s chief operating officer and vice president of operations. She is deeply committed to continuing to meet the healthcare needs of our diverse and vibrant community, and to partnering with the hospital’s incredible team of physicians and staff to provide high-quality, safe, and individualized care.

When Karima joined Weiss in 2012, she brought expertise in both finance and operations. As senior director of operations for Cook County Health and Hospitals System, the third largest public healthcare system in the nation, she was part of the team that improved quality, safety, productivity, and patient experience while cutting costs significantly.  She also served as lead executive at Stroger Hospital, the system’s flagship hospital. Karima began her career in healthcare at Norwegian American Hospital, a not-for-profit safety net hospital in an underserved area on Chicago’s West Side. She held several finance roles before she became director of operations, responsible for a variety of clinical and ancillary departments as well as focusing on operational planning, budgeting, and outreach initiatives to improve community access and continuity of care.

Karima holds an MBA from the Keller Graduate School of Management and is currently pursuing her doctorate in healthcare administration. She is a member of the American College of Healthcare Executives and serves on the board of Uptown United, a neighborhood economic development association. 

Mary Shehan 132

Mary Shehan, DNP, RN, NEA-BC   

Chief Nursing Officer 

Prior to assuming the position of Chief Nursing Officer at Weiss Hospital, Dr. Shehan was the senior vice president and chief nursing executive at Swedish Covenant Hospital where she also served as the nursing home administrator at its Extended Care Facility. In addition, Dr. Shehan has held positions as clinical nurse specialist for surgical services, operating room nurse manager, and director of surgical and obstetrical services. Under her leadership and guidance, Swedish Covenant was able to obtain Magnet Designation and Re-designation. 

Dr. Shehan is an Associate Professor to the Adjunct Faculties at Rush University College of Nursing and also the College of Nursing at North Park University. She is a member of the American Organization of Nurse Executives, the Illinois Nurses’ Association, and Sigma Theta Tau International Honor Society of Nursing. 

Dr. Shehan holds a bachelor’s degree in Nursing from the University of Illinois, a master’s degree in Nursing from Loyola University Chicago, her doctorate in Nursing from Rush University, has an advanced certification in nursing administration from the American Nurses’ Credentialing Center, and is an Academy Fellow for the National Curriculum for Advance Care Leaders. 

The Governor of Illinois recently appointed Dr. Shehan as a Commissioner for the North River Expanded Mental Health Services Program, which will enable her to work directly with the community in which lives, ensuring program funding for this underserved population.


Jeff Wright, MHA  

Chief Financial Officer 

A seasoned executive with nearly 30 years of experience in healthcare finance, Mr. Wright joined Weiss Hospital in 2010. Prior to Weiss, Mr. Wright served as eastern region vice president and chief financial officer for Geisinger Health System in Danville, Pennsylvania. He also has served as chief financial officer at St. Joseph in Fort Wayne, Indiana; River Park Hospital in McMinville, Tennessee; and Heritage Hospital in Tarboro, North Carolina.

Mr. Wright earned bachelor’s degrees in Finance and Management from Southern Illinois University in Carbondale and a master’s degree in Healthcare Administration at Seton Hall University in South Orange, New Jersey.

Joseph Eastman 132

Joseph Eastman 

Chief Human Resources Officer 

Mr. Eastman is responsible for strategic workforce planning; evaluating performance; creating and implementing HR policies and procedures; developing retention strategies; and managing employee relations, employee engagement, and legal compliance.

A member of the Tenet team since 2008 he has served as CHRO at NorthShore Regional Medical Center in Slidell Louisiana and at Central Carolina Hospital in North Carolina prior to joining Weiss. Mr. Eastman works closely with hospital staff and leadership to foster an engaging and supportive environment for our employees and leading initiatives to recruit and retain high quality staff. 

Mr. Eastman earned his bachelor’s degree in Psychology from the University of Rhode Island and completed master’s level coursework at Bryant College.  


Jan Machanis 

Director of Quality and Patient Safety

Ms. Machanis has held several nursing and quality leadership positions within the Chicago market since 2001. She joined the Weiss leadership team in 2013. 

A graduate of Elmhurst College, Ms. Machanis has bachelor’s and master’s degrees in Nursing. She also holds a master’s degree in Health Systems Leadership, specializing in Outcome Performance, from Loyola University in Chicago. 

Additionally, Ms. Machanis is certified in Healthcare Quality and uses her skills to earn Weiss consistently high scores in Quality and Patient Safety.