Kathy McCollum Kathleen McCollum
President and Chief Executive Officer

Ms. McCollum serves as the President and Chief Executive Officer of UM BWMC, effective April 2021. She joined UMMS in 1992 as an administrative resident at the University of Maryland Medical Center (UMMC) and transitioned to UM BWMC in 2001 as Vice President and Executive Director of the Tate Cancer Center, an affiliate of the UM Greenebaum Comprehensive Cancer Center. She was promoted in 2013 to Chief Operating Officer and Senior Vice President for Clinical Integration, with oversight for operations, nursing, local HR and strategic planning. 

Ms. McCollum holds a bachelor's degree from the Wharton School of the University of Pennsylvania and a Master of Health Science degree in Health Finance and Management from Johns Hopkins University School of Hygiene and Public Health. A resident of Anne Arundel County, Ms. McCollum is active in the community, having served on boards or volunteered for several community organizations, including Hospice of the Chesapeake, Anne Arundel Economic Development Corporation and Anne Arundel County Public Schools. 


Diane Croghan Diane Croghan
Vice President of Community Engagement and Chief of Staff

Diane Croghan joined UM BWMC in 2021 as the Vice President of Community Engagement and Chief of Staff. She is an experienced strategic advisor, having held senior positions in multiple branches of government. Most recently Ms. Croghan served as Deputy Chief of Staff to Maryland Governor Larry Hogan. In this role, she was responsible for overseeing and managing the human services portfolio of state executive departments. She also served as a key strategic adviser and statewide operational leader for the State of Maryland’s response to the COVID-19 pandemic.

Prior to joining the Hogan Administration, Ms. Croghan served as Chief of Staff to the Anne Arundel County Executive from 2014 – 2018 where she managed County government and was a senior advisor to the County Executive. Earlier in her career, she held leadership positions in both chambers of the Maryland General Assembly, designing and implementing legislative initiatives and strategies with the goal of advancing caucus priorities. Ms. Croghan serves as President of the Board of Directors for the Annapolis and Anne Arundel YWCA, and on the Board of Directors for RISE for Autism, and the External Advisory Board for the School of Public Policy at the University of Maryland, Baltimore County (UMBC). She is a proud graduate of the University of Maryland College Park.


David Hunt David Hunt, RN, MSN, MBA
Sr. Vice President, Chief Nursing Officer

Mr. Hunt joined UM BWMC in 2020. Mr. Hunt previously served as Vice President for Patient Access and Emergency Services at the University of Maryland Medical Center (UMMC). During his 12 year tenure at UMMC, he led the creation, design and opening of the new University of Maryland Urgent Care Center as well as served as the Interim Chief Nursing Officer at UMMC Midtown Campus. Prior to his role with the University of Maryland Medical Center, he served as the Peri-operative Safety Officer and clinical nurse at The Johns Hopkins Hospital.

Mr. Hunt is a graduate of The Johns Hopkins University, receiving his bachelor and master's degree from the School of Nursing and his MBA from the Carey Business School.


Deb Hall Deborah Hall, MSN, MBA, RN, CCNS, FACHE
Vice President, Quality and Patient Safety

Ms. Hall received her Bachelor's degree in Nursing from Monmouth University, a Master's in Nursing as a Clinical Nurse Specialist in Emergency and Critical Care from Widener University and a Master of Business Administration in Healthcare Administration from Eastern University. She holds a national advanced practice certification through the American Association of Critical Care Nurses as a Clinical Nurse Specialist in Acute and Critical Care for the Adult and a Fellowship of the American College of Healthcare Executives.

Ms. Hall came to UM BWMC in 2014 and served as director of acute care nursing. She was named Vice President in 2016. She provides direction for the following programs: the Care Management Program - to ensure appropriate utilization of resources consistent with the highest quality patient care; the Performance Improvement Program - to continually improve patient care; the Infection Prevention Program - to provide a safe and healthy environment for patients, staff, and visitors; and, the Patient Safety Program – to deliver safe patient care.


Brian Lynch Brian Lynch
Vice President, Human Resources

Mr. Lynch joined UM BWMC as Vice President of Human Resources in 2018. Prior to this, Mr. Lynch served as the Director of Human Resources for Bon Secours Health System, Inc. In this role, he served as the strategic human resources leader responsible for helping the organization achieve its strategic and operational objectives. He provided strategic leadership and served as an internal consultant to executive and line management and was responsible for human resources operations and employee occupational health services. Mr. Lynch has over 20 years of progressive human resources experience in employee and labor relations, leadership development, staffing, talent management, compensation, compliance, benefits and organizational development.

Mr. Lynch earned a Bachelor's degree in Business Administration from Ohio University where he majored in Human Resources Management. He also obtained a Master's degree in Organizational Development from Capella University.


Becky Paesch Rebecca Paesch
Vice President, Physician Services

Ms. Paesch joined UM BWMC in 1997. Prior to assuming her role as Vice President, she served as Senior Director of Business Development and Physician Enterprise. She received her Bachelor's Degree in Communications from Salisbury University and obtained her Master's Degree in Healthcare Administration from University of Maryland University College. She has over 20 years of experience in the healthcare industry.

Ms. Paesch has an extensive background in physician recruitment, relations and retention; practice management oversight; and business development. She is a member of the American Association of Healthcare Administrative Management and the Society for Healthcare Strategy and Market Development.


Alfred Pietsch, CPA
Sr. Vice President and Chief Financial Officer

Mr. Pietsch received a Bachelor of Science degree in Accounting from Towson State University and joined UM BWMC in 1988 as a Budget and Cost Manager. Mr. Pietsch was promoted to Assistant Director of Finance in 1992 and named Director of Finance in 1997. He has held his current position as Sr. Vice President and Chief Financial Officer since 2000. Mr. Pietsch is the Treasurer of Baltimore Washington Emergency Physicians, Arundel Physicians Associates and Baltimore Washington Health Enterprises. He is an advanced member of the Healthcare Financial Management Association, a member of the American Institute of Certified Public Accountants and the Maryland Association of Certified Public Accountants.


Neel Vibhakar, MD, MBA, FACEPNeel Vibhakar
Sr. Vice President and Chief Medical Officer

Dr. Vibhakar currently serves as Senior Vice President and Chief Medical Officer of UM BWMC. As Chief Medical Officer, he is responsible for oversight of Patient Safety and Quality, the Physician Enterprise, and Medical Staff Services. The Patient Safety and Quality Department includes performance improvement, data analytics, infection prevention, population health, utilization management, and regulatory readiness. The Physician Enterprise is comprised of the UM Baltimore Washington Medical Group, UM Baltimore Washington Emergency Physicians, and UM Baltimore Washington Heart Associates. The Medical Staff has nine Department Chairs along with over 1,000 physicians and advanced practice providers on staff at UM BWMC.

Dr. Vibhakar has been with UM BWMC since 2004 after completing his residency in Emergency Medicine at Johns Hopkins Hospital. Prior to becoming the Chief Medical Officer in 2015, Dr. Vibhakar served as the Chairman of the Emergency Department from 2009 through 2015. He completed his undergraduate studies in Biological Sciences at Carnegie Mellon University, his medical degree from the Medical College of Pennsylvania-Hahnemann University School of Medicine, and an Executive MBA degree from the University of Maryland Robert H. Smith School of Business.


Sue Ward Susan Ward
Vice President

Ms. Ward joined UM BWMC as Vice President in 1989. Prior to that Ms. Ward was an Assistant Vice President at St. Joseph Medical Center in Towson from 1982-1989. Ms. Ward received her master's degree in Health Services Administration from George Washington University and her Bachelor of Science degree in Social Work from James Madison University. Ms. Ward serves on the Board of Directors for Baltimore Washington Emergency Physicians, Inc. and the UM Baltimore Washington PET Center, LLC. She also serves on the Advisory Board for Special Beginnings, Birth and Women's Center. Additionally, she is a member of the Maryland Association of Healthcare Executives and an Associate of the American College of Healthcare Executives.

Ms. Ward is responsible for management of the capital budget; administratively responsible for most of the ancillary departments and the support departments of Security and Facilities Engineering. Through Facilities she oversees the Facility Master Planning process and a significant amount of the hospital's construction services and was the coordinator for all planning activities associated with the opening of the Emergency Department expansion, and the patient care building.