Executive Team

eviCore is guided by a leadership team united in a single-minded, clear-eyed perspective: committed to transforming our industry through healthcare innovation and extending our portfolio of integrated medical benefits management solutions, services, and products.

David Smith

President, Medical Benefits Management
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David Smith

President, Medical Benefits Management

Since joining eviCore in 1999, Mr. Smith has served in multiple roles, starting as the Vice President of Operations with MedSolutions (later acquired by CareCore National), now known as eviCore. He led the development and management of the national imaging center network, and has led successful major initiatives in account management and business development.

Currently Mr. Smith serves as the President of eviCore’s Medical Benefits Management division; he is responsible for the profit and loss as well as overall growth of all business units.

Prior to joining eviCore, Mr. Smith spent more than 3 years with Cigna/Healthsource in South Carolina as the VP, provider network management. He was responsible for national contracting for ancillary services for Cigna as well as management of local-market medical cost management activities.

Prior to joining Healthsource, he served as Vice President of Development for Medical Resource Management. Mr. Smith began his career as a CPA in the Internal Audit department at Ernst & Whinney (which later became Ernst & Young). Mr. Smith graduated from Harding University with a BBA in accounting.

Susan Ott

Chief Growth Officer
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Susan Ott

Chief Growth Officer

Ms. Ott leads the eviCore Sales, Client Management, Sales Enablement and Marketing teams responsible for bringing integrated medical benefit management (MBM) cost-saving solutions to health plans and government payers across the United States. She has more than 30 years' experience acquiring and expanding healthcare business through a performance-driven, solution-oriented focus on building medical and pharmacy benefit management solutions serving long-term partnerships in employer, payer and provider markets. Her ability to think strategically as well as analytically to identify and resolve barriers and create win-win scenarios has enabled her teams to consistently achieve multimillion dollar sales generation and develop longstanding client and provider relationships.

Ms. Ott joined eviCore in 2013 with a concentration in pharmacy benefit management (PBM), provider relations, and total healthcare benefit management. Previously she served as the Divisional Vice President of Sales for the PBM and National Payer Segment for Walgreens, the nation’s largest drugstore chain, and as the Executive Director and Segment Lead of Business Development at MedImpact Healthcare Systems. She has also held senior leadership roles in sales, account management, provider relations, and network contracting at Express Scripts and HealthLink, an Anthem company. Prior to that, she managed provider relations, finance, and network development for Group Health Plan, a wholly owned subsidiary of Coventry Health Care, Inc.

Ms. Ott focused on Business Administration when she attended the University of Missouri. She is active in Leadership and Management for Women in Business (Kellogg School of Management), TQI/CQI Leadership – Change Leadership, and the Ronald McDonald House charities.

Ann Manuel

Managing Director and Chief Compliance Officer
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Ann Manuel

Managing Director and Chief Compliance Officer

Ms. Manuel is primarily responsible for the management of compliance risk at eviCore.


She oversees the development of company policies and the monitoring of compliance issues. She also ensures rigorous operations of the compliance program, consistent with applicable laws and industry best practices.


Since joining the organization in 2002, Ms. Manuel has served in multiple roles in pharmacy operations, quality, sales and account management, and specialty operations, including compliance. 


Ms. Manuel received her B.S. in Education from the University of Missouri-Columbia and her MBA from the University of Missouri-St. Louis

Eric J. Gratias, MD, FAAP

Chief Medical Officer
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Eric J. Gratias, MD, FAAP

Chief Medical Officer

Dr. Gratias joined eviCore in 2013 and has served as eviCore’s Chief Medical Officer since 2019. He is responsible for the overall clinical performance of the company’s management solutions, as well as the development of innovative capabilities.

Dr. Gratias oversees the company’s formulation and maintenance of clinical guidelines, in addition to its payer and provider relations, utilization and quality management services, and health services research. Dr. Gratias conjointly serves as the senior clinical liaison to eviCore health-plan clients and the broader physician community.

Prior to joining eviCore, Dr. Gratias was Associate Professor of Pediatrics at the University of Tennessee College of Medicine Chattanooga. He also served as a practicing Pediatric Hematologist/Oncologist at Children’s Hospital at Erlanger and as a member of the Renal Tumors Steering Committee of the Children’s Oncology Group. He is a fellowship-trained, continuously board-certified Pediatric Hematologist/Oncologist, and practiced full-time pediatric hematology/oncology in Chattanooga for 9 years.

Dr. Gratias received his medical degree from Wake Forest School of Medicine in Winston-Salem, North Carolina. He completed his residency in general pediatrics and fellowship in pediatric hematology/oncology at the University of Alabama at Birmingham. He is an author of over 20 peer-reviewed publications and nearly 40 regional or national meeting abstracts.

Sriram Narayan

Chief Information Officer
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Sriram Narayan

Chief Information Officer

Mr. Narayan is responsible for eviCore’s strategy, planning, and execution of all vital areas of technology supporting the business, including product-related software development, data and analytics engineering, program management, and infrastructure for call center operations.

Prior to assuming the CIO position, he held multiple leadership roles shaping the technology roadmap at eviCore (involving data engineering, business intelligence, and analytics engineering), most recently as the Head of Enterprise Data.

During his 20 years of executive/management experience, he has served as Vice President of Technology of Cigna Government Business and fulfilled senior leadership roles with Blue Cross Blue Shield of Western New York, Federal Express, and Transamerica, as well as management consulting roles with Big 4 organizations.

Mr. Narayan received his B.S. in Computer Science & Engineering from University of Madras, India and M.S in Computer Science at Bradley University.

Tony Cohen

Human Resources Director
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Tony Cohen

Human Resources Director

Mr. Cohen leads the Human Resources Business Partner (HRBP) function in direct support of the senior executive leadership team at eviCore. His primary responsibility is to lead the development and execution of talent priorities and initiatives that will help drive the company’s established business strategy.

Since joining eviCore’s parent Cigna almost 20 years ago, Mr. Cohen has served in a variety of HR roles, leading recruitment, talent development, employee relations, payroll, benefits, analytics, and HR strategy teams. He also has extensive experience managing and adapting HR functions through transitional periods following mergers and acquisitions.

Mr. Cohen holds a Senior Professional in Human Resources (SPHR) certification through the Human Resources Certification Institute (HRCI). He is also a certified leadership facilitator through Development Dimensions International (DDI) for over 50 leadership courses. Lastly, he holds a certification as a Facilitator for the Centers of Creative Leadership (CCL) in 360 assessments. Mr. Cohen has received a BS degree in business administration and an MS in business analytics.

Rodney Schmucker

Managing Director, eviCore Operations
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Rodney Schmucker

Managing Director, eviCore Operations

As Managing Director of eviCore Operations, Mr. Schmucker manages the development and execution of the operations strategy for eviCore’s Benefits Management+ Solutions. This includes overseeing the operations for the eviCore solutions’ analytics and technology effectiveness capabilities, experience and integration teams, operations training and auditing teams, client implementations, and the production workforce of physician, nurse, non-clinical contact center, and claims. Mr. Schmucker is equally responsible for advancing the business by leading strategic initiatives and supporting the growth efforts of sales and account management organizations.

Mr. Schmucker joined eviCore in 2010 after a distinguished career with the United States Army as an Active Duty Major. His military career included 12 years of experience with several awards, including a Bronze Star: managing operations deployments at home and abroad in Kosovo; commanding units in the Iraq War; and leading humanitarian efforts in New Orleans following the aftermath of Hurricane Katrina.

Upon joining eviCore, he led operations for the Musculoskeletal solutions and Lab programs. Subsequently as Vice President of Operations he assumed responsibility for new solution development, implementations, and client management.

In his most recent role as Senior Vice President Operations, he oversaw all client-centric operations, including service, client, and program operations, and implementations. He also led the operations centers of excellence teams, consumer engagement initiatives, and the non-clinical contact center operations.

Mr. Schmucker is a graduate of the United States Military Academy at West Point with a Bachelor of Science degree in Business Management and a minor in Systems Engineering. He also earned his Master's Degree from Columbia University in Organizational & Leader Development.

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