Jeff has a worldwide reputation for designing and producing industry leading yardage books, starting with the Ladies European Tour at the end of the 2008 season and never looked back. Since then, Jeff has delivered books for major tournaments including; British Open, Solheim Cup, US Open, Evian Championship and USPGA. Jeff has a passion for innovation and is continuously identifying process and technological developments to improve the yardage book service. Now, Jeff has joined the 19tHole senior management team with the sole focus on helping 19tHole to become the number 1 golf app in the market.