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My experience includes world-wide Business Unit President and General Manager for businesses ranging from $1B to $3B in revenue, and commercial leadership at the Corporate Leadership level of a $17B organization. My work experience has allowed me to operate globally for the past 30 years across Med Tech, Healthcare, Industrial, Consumer Packaged Goods, and Consulting. I have worked across small, mid, and large cap organizations and have significant track record in accelerating growth in competitive markets through portfolio innovation and commercialization, market development, in-organic growth, driving operating efficiencies, organizational transformation and reengineering the customer experience. I am renown for driving transformative change, while managing complexity, ambiguity, building talent, improving associate engagement, and developing a purpose-driven culture. Accomplishments in transformation from product to customer-centric and market-oriented organization recognized by IMD business school in Lausanne, Switzerland, as well as by the Peter F. Drucker and Masatoshi Ito Graduate School of Management.

Kariena Greiten serves as the CEO and Chairman of the Board of WNS-HealthHelp. In this role, Kariena is responsible for the strategic direction and profitable growth of WNS-HealthHelp. Most recently, Kariena was Chief Product Officer for Magellan Healthcare, where she led the product strategy for the medical specialty business, delivering solutions for health plans, health systems and employers. Prior to that, she served as Assistant Vice President of Corporate Development and of Strategic Planning and Control for CIGNA Health Services, where she was instrumental in developing strategies for the specialty healthcare and workers compensation businesses. Previous to her healthcare career, Kariena was Chief Financial Officer for TyMetrix, an early-stage technology company serving the P&C market and as Vice President with the Bank of America, facilitating equity and debt financing for the technology and financial services industries. Kariena has a Bachelor of Arts degree in Economics from Colby College and an MBA in Finance from The Wharton School, University of Pennsylvania.