He will take over from current SWA boss Gavin Hewitt when he steps down after 10 years at the helm at the end of the year.
Frost will join from the Department of Business, Innovation and Skills (BIS), where he is currently director for Europe, Trade and International Affairs.
Before joining BIS, he was HM ambassador to Denmark between 2006 and 2008 and a director for both strategy and the EU in the Foreign and Commonwealth Office.
‘At the helm’
Frost said he was excited about taking up the position at the helm of the trade body.
“My career to date working in economic, trade, and EU affairs in the UK and overseas has given me a wealth of experience of global commercial issue,s which will stand me in good stead in my new role in the Scotch Whisky industry.”
Hewitt said Frost’s experience of economic affairs in the UK and overseas fitted him well for the role.