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Tammy Lewis

Chief Commercial Officer (CCO) at Eon

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Overview

Tammy Lewis serves as Chief Commercial Officer at Eon[1][3]. Lewis is a B2B and B2B2C marketing executive who has worked primarily in healthcare, focusing on delivering growth and brand relevance for products and services related to healthcare simplification, health outcomes, and patient safety[2]. Lewis previously held the position of Chief Marketing Officer at CVS Caremark and CVS Specialty from 2014 to 2023[5], and founded RxMarketer, LLC from 2009 to 2014[6]. Earlier roles included Chief Marketing Officer at Surescripts from 2002 to 2008[7], Senior Vice President of Marketing at Medscape from 2000 to 2002[8], and positions at Roche Pharmaceuticals as Marketing Director and Market Research Manager from 1993 to 2000[9][10]. Lewis holds an MBA in Marketing from NYU Stern School of Business and a BS in Marketing from the University of Maryland Robert H. Smith School of Business[11][12].

Profile introduction
Source excerptLinkedIn [2]

I’m a B2B and B2B2C marketing executive that is proud to have spent the vast majority of my career working for purpose-driven, transformative companies. Over the course of my career, largely in healthcare, I have consistently delivered growth and brand relevance for products, services and solutions that have helped simplify healthcare, improve health outcomes, increase patient safety and lower costs. I am incredibly passionate about designing and delivering exceptional customer and patient experiences and believe that a customer-centric culture and inspirational leadership is paramount to orga…

Career history

  1. Chief Commercial Officer (CCO)Dec 2025 to presentEon
  2. Board MemberMar 2025 to Dec 2025Eon
  3. Chief Marketing Officer, CVS Caremark and CVS SpecialtySep 2014 to Aug 2023CVS Health
  4. Founder & Principal2009 to Sep 2014RxMarketer, LLC
  5. Chief Marketing Officer2002 to 2008Surescripts
  6. SVP, Marketing2000 to 2002Medscape
  7. Marketing Director1995 to 2000Roche Pharmaceuticals
  8. Market Research Manager1993 to 1995Roche Pharmaceuticals

Education

  1. Master of Business Administration - MBA, MarketingNYU Stern School of Business
  2. Bachelor of Science - BS, MarketingUniversity of Maryland, Robert H. Smith School of Business

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