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Sinai Health System Leadership














Karen Teitelbaum President/Chief Executive Officer for Sinai Health System

Karen Teitelbaum is the President/Chief Executive Officer for Sinai Health System where she is committed to the delivery of high-quality services in an efficient and cost-effective manner.  During her tenure first as COO and now as CEO,  Sinai Health System has achieved national recognition in quality while reducing costs by millions of dollars due to greater efficiency and management of population health.

Karen serves on the boards of the Illinois Hospital Association, Metropolitan Chicago Healthcare Council, Family Health Network, Women in Health-Life Sciences, and has served on the boards of the Young Women’s Leadership Charter School and as Board Vice President for The Theraplay Institute, an internationally recognized training organization. She is a member of the American Hospital Association Task Force on Ensuring Access in Vulnerable Communities and has been a member of the American Hospital Association Council on Maternal Fetal Health.  She was recently named one of “100 Hospital and Health System CEOs to Know” by Becker’s Hospital Review, has taught both graduate and undergraduate courses in managed care and marketing and strategy for nonprofit organizations, and is a speaker on health care delivery topics such as population health management in an urban environment.

Karen holds a Master’s of Management degree from Northwestern University, Kellogg School of Management.

















Loren F. Chandler, Chief Operating Officer and Executive Vice President of Sinai Health System; President of Mount Sinai Hospital 

Loren F. Chandler, FACHE, CPA, MBA, is chief operating officer (COO) and executive vice president for Sinai Health System and president of Mount Sinai Hospital. Prior to his appointment as COO for Sinai Health System in October 2014, he served as the senior vice president of finance. He was also the executive vice president, chief financial and operations officer at Holy Cross Hospital, prior to the hospital’s membership in Sinai Health System. Mr. Chandler has led and served at health systems and medical centers throughout the  United States, including Louisiana, New Jersey, New Mexico, Tennessee and Texas.

Mr. Chandler earned his bachelor of science in accounting and finance from the College of Idaho in Caldwell, Idaho. He later earned an MBA from the University of Texas Permian Basin in Odessa Texas. He was initially licensed in the State of Idaho as a certified public accountant and he keeps his CPA status current.



Rachel Dvorken, Executive Vice President and General Counsel for Sinai Health System

At Sinai, Rachel is a member of the executive team and key advisor to the CEO, Senior Management and Board of Directors.   In addition to her role as the Chief Legal Officer for Sinai, Rachel serves as the executive lead for the Board Governance Committee,  as a member of the Board Strategic Planning and Government Affairs Committees,  and as legal advisor to several other Board committees including the Finance Committee.  From 2014-2016, Rachel also served as the Interim Executive for the Sinai Urban Health Institute.  

Rachel currently serves on the Board of Directors of Chicago Sinai Congregation, and on the Advisory Council for Youth Guidance, Working on Womanhood (“WOW”), which provides counseling and mentoring to more than a thousand young women from some of Chicago’s toughest schools,  helping to reduce dropouts, teen pregnancy, gang involvement and other trauma and support personal and future career success. Rachel also served for many years as a tutor with Tutoring Chicago (f/k/a Cabrini Green Tutoring Program).

Rachel received her bachelor’s degree summa cum laude from Colgate University in 1983, and her law degree cum laude from Harvard Law School in 1986.  Following law school, she clerked for United States District Court Judge Edward Rafeedie, and was an Associate in the Health Law Department of McDermott, Will & Emery.  Rachel has served as President of the Illinois Association of Health Care Attorneys (“IAHA”) and as a member of the IAHA Board.  She also has served as an Adjunct Lecturer in Health Law at Loyola University Chicago School of Law, Institute for Health Law.  Rachel received a 2016 First Chair Award honoring top in house counsel.  Rachel has broad healthcare, corporate/transactional, governance, employment and regulatory experience.  



Lori Pacura, President, Holy Cross Hospital

Now president of Holy Cross Hospital, Lori Pacura has served as its most senior administrator since 2013. Previously, she was the Vice President of Patient Care Services/CNO at Mount Sinai and Schwab Rehabilitation Hospitals, as well as the Vice President of Clinical Excellence at Mount Sinai and Schwab Rehabilitation Hospitals. Ms. Pacura first joined Sinai Health System in 2005 after 30 years of service and leadership at hospitals and healthcare agencies throughout Chicagoland.

Ms. Pacura earned a nursing diploma from the Evangelical School of Nursing in Oak Lawn, Illinois, Bachelor of Science in nursing from Elmhurst College in Elmhurst, Illinois, and a master of science in nursing from Saint Xavier University in Chicago. She completed a health services management program at Kellogg Graduate School of Management in Evanston, Illinois and also obtained a legal nurse consultant certification from the American Association of Legal Nurse Consultants. Ms. Pacura’s research has been published in peer-reviewed nursing journals and she has presented her work at professional meetings throughout the country.




Roberta Rakove, Senior Vice President of Strategy and External Affairs for Sinai Health System

Roberta Rakove has served as the Senior Vice President for External Affairs for Sinai Health System since 1990. Born and raised in Chicago, Ms. Rakove’s parents grew up in the Sinai community and her mother was born at Sinai. Ms. Rakove earned a Master of Public Health degree from the University of Illinois School of Public Health and a BA in political science from Pitzer College, Claremont California.

Ms. Rakove is a past chair of the government affairs committee of the National Association of Public Hospitals, member of the Policy Council for the Premier Hospital Alliance, past member of the Advocacy Council of the Illinois Hospital Association, member of the advocacy council of the Metropolitan Chicago Healthcare Council, member of the government affairs committee for the Jewish Federation of Metropolitan Chicago, board member of Mujeres Latinas en Accion, member of the American Jewish Committee Bridging America Project on immigration justice, Illinois recipient of the American Hospital Association Grass Roots Champion Award and recipient of the Chicago Avodah Partner in Social Justice Award.




Debra G. Wesley, Founder and President of Sinai Community Institute

Debra G. Wesley is the founder and president of Sinai Community Institute (SCI), a health system-based social services organization with 25 programs and over 25,000 client visits per year. She is also Sinai Health System’s executive vice president for community outreach.

Ms. Wesley, a masters-trained social worker (Jane Addams College of Social Work, University of Illinois at Chicago), has developed innovative, community-based programs that have received national recognition. She facilitated the incubation of the North Lawndale Employment Network and served for five years on its Board of Directors. She is a member of the Legacy Charter Elementary School Board of Directors; member of the Westside Association for Community Action Board of Directors; member of Governor’s Community Support and Advisory Council, and recently completed four years as a member of the Board of Directors for Young Women’s Leadership Charter School.  She is chair of the Latino Alzheimer’s Foundation; a member of the board for the Deal Foundation (serving urban youth who are college-bound), and a board member for the Barbara Bates Foundation. She is also a Denali Initiative Class II Harvard University Social Entrepreneurial Fellow.