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Bob Marchesani

Bob Marchesani

President and Principal – Proventus Consulting

Bob earned an MBA in marketing and a bachelor’s degree in journalism and is a member of the American Society of Clinical Oncology, the American Association for Cancer Research and the International Association for the Study of Lung Cancer. He has 29 years of experience in the U.S. and global pharmaceutical industry and has a comprehensive background in product development, brand strategy, and global marketing.


  • Extensive brand leader experience demonstrating global brand building, launch excellence and life-cycle management skills for Lilly’s oncology portfolio of brands including GEMZAR®, ALIMTA®, and VERZENIO®.

  • Member of the Board of Directors of the Isofol (ISOLFOL.ST), a NASDAQ-traded pharmaceutical company based on Gothenburg, Sweden.

  • Serves as an adjunct faculty member and executive mentor in Butler University’s Lacy School of Business.


In his spare time, Bob is active in community service and has served in volunteer leadership positions for several educational and community organizations.