Barry M. Smith was elected to the board in 2011 and was named chief executive officer in January 2013 and executive chairman in January 2014. He previously served as a director from 2004 to 2008. Prior to 2013, Mr. Smith served as an operating partner for Health Evolution Partners, a private fund which invests in rapidly growing companies across the healthcare industry. He also previously served as chief executive officer and chairman of B&J Associates, Inc. and B&J Smith Investments, LLC, both of which are private investment management companies. He founded and served as chairman, president and chief executive officer of VistaCare, Inc., a national provider of hospice services, from 1996 to 2002, and he served as chairman of VistaCare in 2003. Mr. Smith currently serves on the board of directors of The Ensign Group, Inc., a NASDAQ-listed diversified provider of healthcare services. Mr. Smith was last nominated for re-election as a director in 2016 due to his healthcare experience and expertise and favorable previous service as a director of the company from 2004 to 2008, and due to his appointment as the company’s chief executive officer as of January 1, 2013.

As chief financial officer, Jonathan N. Rubin is responsible for all of Magellan's financial matters, including strategy, reporting and support of operations.

Rubin has more than 20 years of corporate and business line experience in managed healthcare. His background includes leadership of broad financial functions, actuarial services, pricing and underwriting, and medical economics. He has played significant roles in strategy development and mergers and acquisitions, and supported investor relations activities through interactions with the financial community.

Prior to joining Magellan, Rubin held a variety of roles at Cigna, including serving as chief financial officer for its largest operating division, Cigna Healthcare, which comprises its core medical and specialty health businesses.

Rubin graduated magna cum laude from the University of Rochester with bachelor's degrees in economics and mathematics. He is a fellow of the Society of Actuaries and a member of the board of directors for the American School for the Deaf.

As general counsel, Daniel N. Gregoire is responsible for oversight of all legal affairs pertaining to Magellan Health. His duties include negotiation of mergers and acquisitions, management of legal department resources, negotiation and drafting of provider contracts, customer contracts and documents related to corporate transactions, employment contracts and independent contractor agreements. He is responsible for regulatory and legal compliance, corporate compliance program, day-to-day legal counseling on general business activities, and retaining and overseeing outside legal counsel.

Gregoire was formerly executive vice president, general counsel and secretary of Oxford Health Plans, LLC. While at Oxford, he was responsible for all of the health plan's legal affairs including Securities and Exchange Commission reporting, governance, compliance and litigation, as well as advice to senior management and the board of directors.

Prior to joining Oxford, Gregoire was an attorney and partner with Sheehan, Phinney, Bass and Green P.A., a Manchester, N.H.-based law firm. During his nearly 20-year tenure with the firm, he practiced in the areas of corporate and securities law with an emphasis on the healthcare industry.

Gregoire holds both a bachelor's degree and a law degree from Boston University. He is a member of the American Bar Association and the American Health Lawyers Association.

As chief human resources officer, Caskie Lewis-Clapper is accountable for the evolution of Magellan’s strategic workforce capability. With more than25 yeas of experience in organization development and human resources, she has extensive experience in leading organizational transformations, championing large-scale change, and shaping culture to align with business strategy.

Prior to joining Magellan, Lewis-Clapper served as senior director for human resources operations for Helix Health (Medstar), a Baltimore-based healthcare system with more than 10,500 employees. At Helix, Lewis-Clapper held a variety of senior leadership positions, including director of human resources and director of training and organizational development. Prior to joining Helix, Lewis-Clapper was a consultant with General Physics Corporation, providing training and performance improvement consulting services, as well as conducting human performance improvement research. She is a published author of articles on team building and human performance improvement.

Lewis-Clapper received a bachelor's degree from the University of Maine and a master's degree in applied behavioral science/organization development from Johns Hopkins University. She is a member of the Human Resource Planning Society and is an alumna of the Johns Hopkins Fellows in Change Management program.

As chief executive officer of Magellan Healthcare, Sam Srivastava focuses on improving health and affordability through advanced analytics and clinical solutions provided to behavioral and specialty health members.  He leads strategy development, operations, product development and management, and profitability and growth of Magellan Healthcare, while positioning Magellan as a leader in the behavioral health, Medicaid and specialty healthcare markets.  He also provides leadership over enterprise strategy, communications and government affairs.

Prior to joining Magellan, Srivastava worked at Cigna where he was president of the national and senior business segments.  He had executive management responsibility for the strategic planning, business operations, growth and financial performance for these segments, which served approximately 18 million individuals.  He was instrumental in the acquisition of HealthSpring and the pharmacy benefit management partnership with CatamaranRx.

Srivastava has held executive leadership positions in the commercial, senior, low-income and disabled population segments at UnitedHealth Group and HealthNet, and served as a management consultant in the United States and internationally, primarily focusing on the areas of developing and improving integrated health care delivery systems for providers, insurers and governments.

Srivastava graduated from Kent State University with a bachelor's degree in medical science and humanities, and completed graduate work at Yale University in healthcare management.  He also sits on a number of advisory boards, including Oliver Wyman, Yale School of Public Health and Yale Healthcare Conference.  He is married to Dr. Lisbet Lundsberg, a member of the faculty at the Yale School of Medicine, and resides in Wilton, Conn. with their four daughters.

As chief executive officer of Magellan Rx Management, Mostafa Kamal is responsible for all of Magellan's pharmacy business lines, including the commercial, government and specialty pharmacy divisions.  He leads the strategy, operations, profitability and growth of Magellan Rx Management with the overarching goal of delivering best-in-class drug management solutions to help clients improve the health of their members and overall quality and cost of care.

Previously, Kamal was senior vice president and general manager of Magellan Rx Management's specialty pharmacy business.  In this role, he led sales, account management, operations and product development across the division, delivering strategies and solutions to help clients successfully manage complex specialty pharmaceuticals in one of the fastest growing areas of healthcare spending.  As chief underwriting officer, he directed the organization's overall pricing and risk management strategies, and served as vice president of pricing, underwriting and analytics, where he developed financial strategies to help clients manage their pharmacy spend. 

Before joining Magellan, he held various roles with Medco Health Solutions, Inc., with responsibility for pricing, underwriting, strategy and Medicare Part D products and services.  Additionally, he worked with clients to develop strategies to address healthcare reform and associated product offerings to ensure clients were successfully positioned in the post-healthcare reform era.

Kamal received his bachelor's degree in economics from Rutgers University.

As chief medical officer, Dr. Karen Amstutz serves as Magellan’s clinical expert. Working closely with the company's clinical team, she sets the strategic road map and vision for Magellan’s clinical and care delivery efforts. She also oversees Magellan’s clinical strategy development, product innovation, care management and quality improvement programs and policies to drive high value for customers and the best possible health outcomes for members and individuals.

Amstutz has significant experience developing and leading clinical strategy, as well as managing care management programs to deliver clinical effectiveness and quality. She served as a medical director at WellPoint for eight years, leading clinical care management, quality and operations for Medicaid and Medicare members.

Amstutz received her medical degree from the Washington University St. Louis School of Medicine.  She also received her master's degree in business administration, focusing on entrepreneurship and econometrics from the University of Chicago and her bachelor's degree in chemistry from Indiana University Bloomington.

As chief technology officer, Srini Koushik works with and leads a team of talented professionals delivering innovative technology and data-enhanced products and services that improve patient outcomes and care for people who need it the most. 

Prior to joining Magellan in January 2016, Koushik was the president and chief executive officer of NTT Innovation Institute, Inc., a Silicon Valley-based startup focused on building multi-sided platforms for today's digital businesses. Srini has 28 years of experience as a programmer, chief technology officer, chief digital officer, chief information officer and P&L owner for Fortune 100 Companies including IBM, HP and Nationwide.

Koushik holds a bachelor's degree in physics from the University of Madras, a master's degree in computer science from the University of Bombay, a master's degree in business administration from Ohio State University, and executive education on systems thinking, design thinking, clean energy and innovation from the MIT Sloan School of Management and Duke University.

Koushik was elected to the IBM Academy of Technology, named an IBM Distinguished Engineer in 1996, and owns two patents in the field of software engineering. He was named an Elite 8 CIO by Insurance and Technology in 2002, a Top 25 CTO by InfoWorld in 2004, a Top 10 All-Star in the financial services industry by TechDecisions in 2007, and a Computerworld Premier 100 Technology Leader in 2014. He is an Open Group Distinguished Certified Architect and has published several articles, as well as co-authoring a book, Patterns for E-Business, in 2001.