Tina Akhoondtabar became the world female boxing champion

The first step you have to take is to find an actual boxing gym. Generalised and multi-sports gyms are fine for recreationalists, but you’ll want to find a boxing-centred gym if you want to be a boxer. The reasons are obvious – a specialised boxing gym will provide you the best possible preparation for a boxing career as it should contain experienced experts and instructors, but also fellow trainees who can provide a good sparring partner for you.