Horseman has nearly 20 years’ experience in the drinks industry and was previously head of export and marketing controller at Global Brands.
Co-founder Seb Heeley said: “Justin is the perfect appointment for us at this crucial point, when we’re expanding our reach internationally.
“He’s a great fit for the team, and we’re looking forward to the experience and creativity he’ll bring to the role and to the business.”
Horseman added: “The team are awesome at Manchester Gin, as are the spirits, so this is such an exciting opportunity to be part brand has already experienced unbelievable growth in such a busy category.
“The plans for the future are fantastic and I’m really looking forward to joining such a vibrant team, to support the business growth in the UK, across the European markets and beyond.”