I think Alex is one of the best so would go with him, but here are two others I think also give a great therapeutic massage:
Grant (oft discussed but his therapeutic work is really excellent):
https://www.masseurfinder.com/massage-therapists/29846/
Taylor also gives a great massage - very deep and even though he is a smaller guy - he really is good (outcall only);
https://www.masseurfinder.com/massage-therapists/30477/