Nate Noriega is a trainer at CrossFit Los Altos in Northern California. In this short Instagram video (see first link below), Nate shows how much progress he made on his 1 rep max Snatch in about 18 months. In the before photo, he is lifting 65 kg, and in the after (March 2017), he was warming up with 95 kg and 100 kg respectively. Go Nate!
The second link is to the CrossFit Los Altos website. They have an awesome team of trainers and a terrific community of athletes.