Born and raised in Inverness, Alpin studied at Edinburgh University where he graduated LLB (Hons) (Law and Celtic) in 1988. He trained in Portree and over the intervening years has practiced there, in Kyle of Lochalsh and in Dingwall. In 2010, he and Jill Miller established the firm of George Street Law.
Alpin has considerable experience in both residential and commercial conveyancing and has a particular interest in Crofting Law.
Outside of work, Alpin sings with Dingwall Gaelic Choir, keeps bees and enjoys hill walking and cycle touring with his dog, Mollie.