McDonnell joins Sagatiba from drinks group Allied Domecq where he delivered campaigns for Maker's Mark bourbon and tequila Sauza. He also has experience in on and off-trade brand activity, brand sponsorship and live event production.
He said: "I have always wanted to work in the white spirits category so this is a perfect role for me.
"We will be rolling out some great campaigns this summer, making the brand the one to watch in 2006."
Nick Gillett, UK commercial manager for Sagatiba UK, added: "Paul's strong corporate background made him the ideal candidate for the job. Paul's experience and knowledge of the drinks market will be an invaluable addition to the growing Sagatiba UK team."