Gregg grew up in Scotland and started in the whisky industry as a tour guide at his local distillery. After a number of roles around the business, he joined boutique blender Compass Box in 2005 as a whisky maker, working with John Glaser.

After more than a decade of working on some of the most respected whiskies in the world, Gregg moved to Whyte & Mackay, where he now works directly with Richard Paterson, crafting the companies malts and blends.