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Ms. Antoinette Williams is the founder and Chief Executive Officer of Williams Consulting LLC. She is a customer focused, technically astute, Health IT Operations strategist with a stellar reputation in directing large-scale Health IT programs and improving processes to maximize efficiency, productivity, quality, and financial results. With over 25 years of experience in successfully implementing Federal, State and Local mandates in the Commercial and Public health care sectors, she has focused on evaluating legislative mandate impacts, ensuring compliance, and leveraging policy and technology to mitigate plan performance risk. 


Ms. Williams’ Health IT program experience includes the successful implementation of over 20 large-scale innovative technology solutions in support of mandated Federal Legislation at the Centers for Medicare and Medicaid Services (CMS), on time and within budget.  This includes full life-cycle software development efforts and systems integration efforts in support of both the launch of the Medicare Prescription Drug Act (Part D) and The Accountable Care Act (ACA).  Her health plan/payer operations experience includes responsibility for a high performing claims payment operation, including Coordination of Benefits (COB), fraud and abuse, and medical review for coding and quality of care discrepancies. She has extensive experience in leading public health, population health, health disparities, and scientific research projects.


Ms. Williams has extensive experience leveraging information technology best practices to mobilize and lead high performing teams required to drive outcomes within complex stakeholder environments. She has received numerous corporate awards for program excellence in delivery and execution. Prior to starting her own business, Ms. Williams served as the CMS Program Executive for Northrop Grumman Corporation Health Solutions Management and a Consulting Director and Program Manager for CGI Federal. Ms. Williams also served as the Director of Managed Care Operations at CareFirst Blue Cross Blue Shield. Ms. Williams has a Master of Business Administration from Loyola College, Baltimore, Maryland and she is a Certified Professional in Health Information Technology. ​Ms. Williams is a five-term former Board Member for the National Capital Area Healthcare Information and Management Systems Society (HIMSS).

Antoinette Williams, Founder & CEO



Mary Warren, Vice President of Operational Excellence

Ms. Mary Warren is Williams Consulting, LLC’s Vice President of Operations.  Ms. Warren is a process focused program manager with over twenty-five years of progressive experience in business and information technology process development and management in the healthcare and financial industry. Ms. Warren has a proven track record of building successful enterprise Program Management Office, Vendor Management and Quality Assurance Programs (processes and tools) from the ground up within aggressive time frames. She has successfully implemented CMMI Level 3 project delivery processes across multiple software development, operations and maintenance projects resulting in numerous superior customer satisfaction scores.     


Ms. Warren has nine years of Federal Contracting experience working in both small business and large business settings.  Ms. Warren has overseen the implementation and execution of existing and new government IT contracts for the Centers for Medicare & Medicaid Services (CMS) with management responsibilities for Task Order contracts from initiation to closeout; meeting technical, schedule and financial requirements; directing and/or supervising personnel; customer management, risk management; and subcontractor oversight.


Ms. Warren has a Master of Business Administration from the University of Pittsburgh, and a Master of Public Administration from the University of Baltimore.  Additionally, Ms. Warren has a Master’s Certificate in Information Technology Project Management from George Washington University/ESI.  Ms. Warren is a certified Project Management Professional.​


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