Parnell Senior Management Team


    • Mr. Wes Dittmer – Senior Vice President & CFO, North America

    • Wes brings over two decades of finance and accounting leadership experience, having held executive positions at both public and private companies including AgJunction, NRTC, Embarq, and NovaCare. Wes most recently was the CFO for AgJunction where he oversaw Finance, IT, Human Resource, and Investor Relations. Previously, he served as the CFO for NRTC, Vice President of Corporate Development with Embarq, and Controller for NovaCare. Additionally, Wes has an extensive background in capital formation, mergers and acquisitions, and operations in senior roles at Sprint. He is a Certified Public Accountant and holds a BA in Accounting from the University of Missouri and an MBA in Finance from Rockhurst University.


    • Mrs. Karen Greenwood – Vice President, Research & Development

    • Karen is an experienced Research and Development scientist with 26 years in the pharmaceutical industry including senior roles at Zoetis (formerly Pfizer Animal Health). Karen has a track record of directing the development of highly valuable pharmaceutical products from idea to commercialization including recent success on the Apoquel® project. Karen also has experience in developing leading livestock, parasitology and companion animal projects.

      Karen has a degree in Biochemistry from the University of Southampton, has served on various scientific grant review boards and is an author on multiple publications.


    • Mr. Lee Whaley – Vice President, Regulatory

    • Lee has more than 21 years of animal drug industry experience, with his first six years spent in Clinical Research/Project Management and the past 15 years in various roles of increasing responsibility within Regulatory Affairs. Lee began his career with Intervet in 1994 and subsequently held regulatory managerial roles at Novartis and Merck Animal Health, managing regulatory teams devoted to product registration and stewardship.

      Prior to joining Parnell, Lee was most recently the Director of US/Canadian Regulatory Affairs at Norbrook. Lee received an A.A. degree in Livestock Management and Technology, a B.S. in Animal Science, and an M.S. in Physiology (specializing in Swine Reproduction) from North Carolina State University.


    • Mr. Leonardo Avendano – Vice President, Manufacturing

    • Leonardo is the Vice President of Manufacturing based in Sydney, Australia responsible for managing global manufacturing operations including contract manufacturing.

      Leo has extensive international experience in manufacturing. He began his career in the medical device sector in 1996 with Becton Dickinson, Mexico before moving to France for two years and then to the USA completing certification in Lean Manufacturing and Six Sigma. In 2004 Leo was promoted to Plant Director for one of Becton Dickenson’s plants in Mexico, responsible for over 300 staff.  In 2010 Leo immigrated to Sydney where he initially worked for Cochlear Ltd. in the Quality Leadership Team, and in 2012 he joined Parnell‎‎‎.  Leo holds a Bachelor’s degree in Science, majoring in Mechanical and Electrical Engineering from ITESM Mexico.


    • Ms. Erika Vikor – Vice President, Corporate Operations

    • Erika manages the corporate functions of Human Resources and Administration and assists the CEO in managing Business Development and Legal. Erika has worked closely with the Chief Executive Officer and Chief Financial Officer at Parnell since 2009 and in those 7 years she has been instrumental in building a highly regarded corporate culture and has been responsible for overseeing the growth of our US operations from just 4 people in 2012 to over 100 today.

      Prior to joining Parnell, Erika held senior Executive Assistant positions in Australia at General Electric Corporation, ING Bank and previously worked in the Advertising industry as an Account Manager.

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