Executive Leadership

Walid Michelen, M.D.
Chief Executive Officer /Chief Medical Officer

Prior to becoming the CEO and CMO of Gotham Health , Dr. Michelen was a member of the leadership team at the Generations Plus/Northern Manhattan Network, which consists of two hospitals (Harlem and Lincoln); Gotham Health hub sites Belvis, Morrisania and Renaissance Health Care Network Diagnostic and treatment centers; eight satellite sites and 12 school-based health centers. He has served in various capacities at the Network, including Chief of Staff and Medical Director and Director of Business Development and Grants.

Dr. Michelen led the Network's successful efforts to collaborate with community-based organizations on many important projects to increase access and delivery of services to targeted populations, such as taxicab drivers, small-business owners, and faith-based organizations. Under his leadership, the Network successfully implemented the Patient-Centered Medical Home model.

As a physician specializing in internal medicine, Dr. Michelen is recognized by both health care and academic institutions for his commitment to improving community health. He has served as the Chairman of the Community Core for Columbia University's Center for the Health of Urban Minorities. He was also the Principal Investigator for New York Presbyterian Hospital's Community Access Program, a five-year grant from the U.S. Health Resources and Services Administration to improve health care access and chronic disease management for minority communities in Northern Manhattan. Dr. Michelen's extensive experience in community-based participatory research earned him the role of Chairman of the Health Promotion/Disease Prevention Core for the Northern Manhattan Community Voices Project; a $5-million program funded by the Kellogg Foundation.

Dr. Michelen has received Bridges to Excellence Medical Home recognition from the Health Care Incentives Improvement Institute for demonstrating effective use of systematic office processes to improve patient outcomes, especially for patients with chronic conditions. He was also recognized by the National Committee for Quality Assurance for delivering high-quality care to patients with diabetes and for his work in Patient-Centered Medical Home.

A national leader in Latino/Hispanic health, Dr. Michelen was appointed by the Clinton Foundation to serve as the Project Coordinator to plan and establish HIV clinics throughout the Dominican Republic.

In addition to his commitment to Gotham Health serving as the Chief Executive Officer and Chief Medical Office, Dr. Michelen is also an assistant professor at Columbia University College of Physicians and Surgeons, Department of Medicine.

Dr. Michelen received his medical degree from Cornell University Medical School in 1977 and has been a primary care physician in New York since 1980. Among positions held, he was Medical Director of North Central Bronx Hospital from 1991-1994, Chief Medical Officer for NYC health + Hospitals from 1994 to 1997, and Vice President and Chief Medical Officer for Community Health of New York Presbyterian Hospital from 1997-2004.

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Anita Lee, R.Ph., M.P.H
Chief Operating Officer

Ms. Lee's experience spans across a board spectrum of health care industries including federally qualified health centers (FQHCs), hospital systems, and pharmacy benefits management companies. She has served in leadership capacities in both federal and local government agencies, where she led the development of new FQHCs and health care initiatives for the Health Resources and Services Administration, DHHS. Ms. Lee continues her consultancy with the federal government after leaving HRSA in 1994, including providing technical assistance to FQHCs in the areas of administration and governance, and serving as a researcher and writer for President's G.W. Bush's Advisory Commission of Asian Americans and Pacific Islanders in 2006 on "Report on Enhancing the Economic Potential of Asian Americans and Pacific Islanders" and "An Update on Health Disparity among Asian Americans and Pacific Islanders".

Ms. Lee's career portfolio includes leadership roles at major institutions in New York and New Jersey, including Lincoln Medical and Mental Health Center, as the Director of Grants Management, New York Presbyterian Hospital, as the Administrator of Community Health and Grants, Continuum Health Partners, as the Corporate Director of Ambulatory Care Network Development for four hospitals, and Jersey City Medical Center, as Executive Director of Jersey City Family Health Center and Vice President of Ambulatory Care. Ms. Lee was also the co-founder and first Executive Director of NYCRx, a non-profit organization that brings affordable medications to all New Yorkers.

Ms. Lee is a Registered Pharmacist. She received her Bachelor of Science in Pharmacy from St. John's University and a Master in Public Health in Health Administration from Columbia University.

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Karen Dudek, R.N., M.B.A
Chief Nursing Officer

Ms. Dudek is a licensed registered nurse in the State of New York with more than 35 years of nursing and health care administration experience. Ms. Dudek has held the position of Director of Nursing for Generations+/Northern Manhattan's Diagnostic and Treatment Centers since April 2012, when she joined the New York City hospital system.

Ms. Dudek began her nursing career as a Psychiatric nurse at Nassau County Medical Center (NCMC). She worked in numerous departments at NCMC, including Neurology, Surgery, Hemodialysis and the Emergency Department. She obtained her first managerial position at NCMC as the Patient Care Coordinator in the Emergency Department. Ms. Dudek then went on to hold numerous managerial responsibilities within the organization, including the HIV QI coordinator for the community health centers, which eventually became a federally qualified health center. Ms. Dudek functioned in the capacity of Director of Clinical Operations for Ambulatory Care as well as the Director of Nursing for Ambulatory Care and Community Medicine at NCMC prior to joining NYC Health + Hospitals as the DON for Generations+/Northern Manhattan's Diagnostic and Treatment Centers which became part of Gotham Health.

Ms. Dudek holds an AAS in nursing from State University of New York. She earned a Bachelor of Science in Hospital Administration and an MBA in health care management from St. Joseph's College in Patchogue, N.Y.

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Ollie Worthy, Jr.
Chief Financial Officer

Prior to joining Gotham Health, Mr. Worthy, most recently, was the Chief Financial Officer of Horizon Health Center, a federally qualified health center (FQHC) located in Jersey City, New Jersey. In this position, he was responsible for both fiscal operations and regulatory compliance.

In addition to his FQHC experience, Mr. Worthy served as the Manager of Financial Planning and Analysis at Service Repairs Solutions, where he evaluated profitability of new prospects, developed business plans, and increased cash flow by instituting productivity metrics and benchmarking in sales, accounting, and operations. Mr. Worthy established his accounting career over a span of twenty years serving as the Advertising Business Director concurrently for both US News & World Report, and FastCompany, and as a Financial Analyst at Nielsen (formerly VNU Publishing). At these organizations, Mr. Worthy was in charge of all aspects of finance, including developing financial policies and procedures to control cost, eliminate waste, and guard against fraud.

Mr. Worthy was also a member of the New York Army National Guard, 42nd Street Rainbow Division. His Military Occupational Skill (MOS) was Finance. Mr. Worthy transferred from the National Guard to the Individual Ready Reserve where he was honorably discharged at the end of his military career.

Mr. Worthy, a native New Yorker, earned his Bachelor of Science degree in Accounting from St. John’s University.

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John Rabbia, Ph.D.
Director, Quality Management

Prior to joining Gotham Health, Dr. Rabbia was the Vice President of Performance Excellence at VNA Homecare, a comprehensive home and community based service organization serving the Central and Capitol Regions of Upstate New York. In his position, he was responsible for clinical quality, education, and corporate compliance.

While working in the post-acute setting, Dr. Rabbia was instrumental in the creation of the Upstate region’s largest Medicaid Managed Long Term Care Program and worked very closely with FQHC’s to establish productive, mutually beneficial relationships in order to increase access to primary care, preventative services, and to decrease avoidable emergency department and hospital utilization.

Dr. Rabbia has also served as adjunct faculty in the Physical Therapy Education Department at Upstate Medical University, where he taught content including geriatrics, wound care, and clinical decision making. He has authored portions of textbooks and has published content in peer-reviewed journals in the area of community-based interventions to prevent and treat frailty in the elderly population.

Dr. Rabbia began his healthcare career nearly 15 years ago as a Physical Therapist and has followed his interests in primary and secondary prevention of disease and disability through advanced training and pursuit of opportunities in public health and quality management/process improvement.

Dr. Rabbia earned his Bachelor’s and Master’s degrees in Clinical Science from Ithaca College, his Doctorate in Physical Therapy from Temple University, his Masters of Business Administration from Western Governor’s University, and Certificates of Advanced Study in Public Health and Health Policy Management from Syracuse University.

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Michelle Joseph, MPA
Director, Strategic Initiatives

Ms. Lewis, as a transformation leader, provides direction and coordination for a broad range of initiatives to advance Gotham’s vision and organizational success. Through her leadership, vision, as well as a thoughtful and persuasive personal style, Ms. Lewis is making significant contributions to Gotham Health’s strategic direction by driving change across the network. These changes aimed at improving our patient experience and increasing their access to care on a timely basis.

Ms. Lewis is an accomplished healthcare administrator, who is recognized for her visionary leadership. She has over 15 years of experience in leading people, building teams, project management, and expanding healthcare programs.

Prior to joining the NYC Health + Hospitals, Ms. Lewis worked for New York Presbyterian Health Systems, where she held various positions, including overseeing the emergency services department and the community-based ambulatory care facilities. Her strong interest in delivering high quality of health care services and the overall wellbeing of medically underserved communities is reflected in her achievements during her career as a public health executive.

Ms. Lewis received her Bachelor of Art degree from Lehman College in New York. She also earned a Master’s degree in Public Administration from Fairleigh Dickinson University in New Jersey. She is presently an adjunct professor at Fairleigh Dickinson University in the Departments of Master in Public Administration and Master in Public Health.

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