Patrick Lezark has helped life sciences companies address their sales and marketing challenges since 1989. He has counseled pharmaceutical companies across the world on a variety of commercialization issues. He has worked with both emerging and established companies to solve issues in areas such as sales force sizing and structure, resource allocation, physician valuation and targeting, territory design, and forecasting. Patrick earned master’s degrees in industrial engineering and management sciences from Northwestern University and mathematics from The State University of New York at Stony Brook. He holds a bachelor’s degree in mathematics from Carnegie Mellon University. He joined Beghou Consulting after nine years at ZS.