Corporate Leadership


Chairman & CEO

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Raymond J Kostkowski has served as the Chairman and CEO of CoreLife Health Services since 2012. He is responsible for the oversight and strategic direction of the business and directly manages health system partnerships.

Prior to serving as Chairman and Chief Executive Officer, Mr. Kostkowski was President and Chief Executive Officer of Capital Trust Finance since 1999. His responsibilities include managing the Company’s growth and strategic banking partnerships as a leading commercial finance company to the business sector.

Earlier, Mr. Kostkowski served as President of Orion Holdings. His responsibilities included the negotiation, acquisition and integration of more than 200 companies serving in the healthcare, technology, distribution, and the retail sector. His extensive operating experience extends over 30 years with private and public companies.

Presently, Mr. Kostkowski serves as Chairman of Benfield Investments Corp., a leading commercial property investment and management company. He serves on the board of Capital Call and CoraCares, a children’s health non-profit.



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Sean P Kostkowski has served as President of CoreLife Health Services since 2012.

Based on a personal experience, Mr. Kostkowski founded CoreLife and created a new category within healthcare that did not previously exist. As President of CoreLife, Mr. Kostkowski serves as a hands-on executive with direct oversight of the expansion and the executive operating team of the business.

Prior to CoreLife, Mr. Kostkowski served as a compliance manager within the healthcare division of CTF Corporation.

Mr. Kostkowski serves as a board member of CoraCares and is actively involved in numerous child advocacy programs. He also serves on the board of Sixx Investments Corp.

Mr. Kostkowski is a graduate of the University of Delaware with a B.A. in History and was an Athletic Merit Scholar.


Chief Operating Officer

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Ryan S Ebersole has served as the COO of CoreLife Health Services since 2013. He is responsible for the day to day leadership, operations of the health centers, and project management oversight of strategic initiatives. In this role, Mr. Ebersole has overseen and implemented CoreLife’s expansion. He also partners with clinical leadership to identify unmet needs of the patients that CoreLife is uniquely positioned to serve.

Prior to joining CoreLife, Mr Ebersole served within JPMorgan Private Bank. His responsibilities included bank operations and asset management. Mr. Ebersole has 10+ years experience in various capacities including operations, finance, real estate, and consulting.

Mr. Ebersole also serves on the board of directors of CoraCares and

Mr. Ebersole is a graduate of the University of Delaware with a B.S. in Finance from the Alfred Lerner College of Business & Economics.


Executive Vice President

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David A DeLeonibus has served as the Executive Vice President of CoreLife Health Services since 2014.

Mr. DeLeonibus is responsible for the development, integration and growth strategy of all health system and physician partnerships. He also manages a dedicated team of physician advocates that work directly with physicians in support of unique patient care plans and programs. He is heavily focused on coordinating patient centered care with physician groups within a multidisciplinary model. His ability to foster and maintain physician relationships has been instrumental to CoreLife’s success.

Prior to joining CoreLife, Dave served as a Director of Customer Care with Autonation – America’s Largest Auto Retailer.

Presently, Mr. DeLeonibus serves on the board of Directors of CoraCares, a children’s health non-profit and is actively involved in community health initiatives.

Mr. DeLeonibus has a B.B.A in Business Management & Finance from College of Roanoke.

Jonathan R.

President CoreLife Alabama

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Jonathan R. Culwell has served as President of CoreLife Health Services of Alabama since its inception in 2018. As President, Mr. Culwell oversees all operations, business activities, and expansion efforts in the Alabama market.

Mr. Culwell began his healthcare career as an administrator with NHS Management and earlier, worked as an attorney in Birmingham.

Mr. Culwell received his Bachelor’s in Business Administration from The University of Alabama. Additionally, Culwell earned a Juris Doctorate from The University of Mississippi School of Law and is a member of the Alabama State Bar Association.

Medical Leadership

Brooke M.
Buckley, M.D., F.A.C.S.

Chief Medical Officer

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Dr. Brooke M. Buckley, M.D., FACS, is the Chief Medical Officer of CoreLife.  

Dr. Buckley has dedicated a significant portion of her training and professional life to organized medicine and taking a broader look at medical care delivery, with specific interests in emergency surgical care, innovative health-care delivery, and physician well-being.  Through this passion, she ran a fellowship program in Transition to Practice for young surgeons, and developed her relationship with CoreLife.

Dr. Buckley also currently holds the position of Vice President and Chief Medical Officer of Meritus Medical Center in Hagerstown, MD.

A board-certified general surgeon, Dr. Buckley completed her undergraduate studies at Johns Hopkins University and medical school at The Ohio State University College of Medicine and Public Health.

Brian R. Baker,
M.D., M.B.A., F.A.C.E.P

Medical Director CoreLife 

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Dr. Brian R. Baker serves as Medical Director of CoreLife.

Dr. Brian Baker is a practicing Emergency Physician and a native Annapolitan.  Dr. Baker received his B.S. from Bucknell University with a concentration in Biology and Economics, and then his M.D. degree from the University of Maryland School of Medicine.  He completed his emergency medicine residency at Johns Hopkins Hospital, where he also served as chief resident, and is a Fellow of the American College of Emergency Physicians. Later, Dr. Baker received his MBA degree with concentration in healthcare from George Washington University.

Dr. Baker has extensive experience in process improvement and creating operational efficiencies in the healthcare setting.  His most recent focus has been in the development of a physician network that seeks to integrate clinical information and healthcare delivery services across the continuum of care.  Dr. Baker has a particular interest in fostering collaboration between physicians and healthcare systems with the goal of improving quality and lowering healthcare costs across the region.

Jonathan C.
Patrowicz, D.O.

Medical Director CoreLife Delmarva

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Dr. Jonathan C. Patrowicz serves as Medical Director of CoreLife Delmarva.

Dr. Patrowicz is a board-certified practicing Family Physician and Medical Director, serving the Wicomico County, Maryland area for over 18 years.  After earning his B.S. in Biology from Virginia Tech, Dr. Patrowicz went on to receive his medical degree from the University of Medicine and Dentistry of New Jersey-School of Osteopathic Medicine (now known as Rowan University).  He then completed his internship and residency at UMDNJ-SOM in Family Medicine and served as Assistant Chief Resident.  After relocating to Salisbury, Maryland in 2001, Dr. Patrowicz has held active and associate staff privileges at Peninsula Regional Medical Center where he has served as a Physician and Wound Care Specialist.  He also has provided medical coverage and lectured at Salisbury University in the Sports Medicine and Athletic Training Department.

Dr. Patrowicz is an active medical leader in the community.  He currently serves as Vice President on the Executive Board of the Salisbury Health Group, is a Medical Director of Progressive MRI/MedTel Imaging, and is a member and former Medical Director of the Peninsula Regional Clinically Integrated Network.  He has been awarded Best Physician for the last three years (2017, 2018, 2019) for Wicomico County, voted by the patient community.

Dr. Patrowicz’s objectives as a primary care physician and focus on preventative care align with the CoreLife philosophy of helping people become healthier by focusing on proper medical care, exercise, diet, along with habits and psychology to change patient’s lives for the better.

Robert M.
Murray, M.D.

Medical Director CoreLife Alabama

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Dr. Robert M. Murray has served as CoreLife Alabama’s Medical Director since its inception in 2018. Dr. Murray is a certified American Board of Internal Medicine physician that has been in the practice of primary care medicine in the state of Alabama for over 35 years.

Dr. Murray has had a lifelong interest in preventative medicine, specifically related to the aspect of lifestyle changes that improve one’s quality of life.

Dr. Murray received his Bachelor of Science from Auburn University and his Doctor of Medicine from The University of Alabama School of Medicine.

Economos, C.R.N.P.

Director of Medical Operations

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Prior to CoreLife, Ms. Economos trained and coached dozens of nurses over a 20 year span, including serving as a nurse, mentor, and resource for overseeing care for students and support staff in a large public high school.  When called to represent her district, she organized and set standards for nursing care and protocols, helping to develop new standards and improve the statewide evaluation system for medical staff.

Ms. Economos completed her Post Masters Certificate as a Family Nurse Practitioner in 2015, following her interest in health and wellness.  After seeking a more comprehensive approach to health care and a role to put her experience in weight loss healthcare to use, she joined with CoreLife to oversee operations, training and execution of CoreLife’s medical providers.