David Leach is a former Merck executive with 25+ years’ experience in the life sciences. His expertise is in product marketing through the lifecycle and cross functional leadership across research and development, commercial planning and execution, and manufacturing. Prior to leaving Merck, David served as a Director of Global Product Marketing and most recently he served as an independent business consultant with Pastorius Consulting LLC. David has launched 10 biopharmaceutical products in the US and global markets. He has effectively run businesses within a biopharmaceutical company for products and portfolios ranging from $100 Million/year to $1 Billion/year with full P&L. He is a commercial leader who obtains positive results in very challenging business situations such as complex biological product launches in a partnership. David holds MBA and Master of Engineering Management degrees from Northwestern University and a BSE degree in Engineering from Princeton University.