Originally Posted by jjjay

there's loads. if you spend time on the sewatch forums you get to know who knows their stuff and who offers coaching/training

just a few others off the top of my head are aaron wall, mike grehan, dan thies, mikkel something-or-other (think he's danish), and tons more

i think funkmaster off this board offers coaching. funkmaster.com

and i think swami off this board offers coaching too last I heard

alternatively read a bunch of (up to date) books and courses from someone credible