Fitness influencer Alex Toussaint started out mopping floors at Flywheel. Now he has 105,000 Instagram followers and a partnership with LeBron James' company.

· Alex Toussaint is a Peloton instructor and fitness influencer with 105,000 followers on Instagram.
· Since joining Peloton in 2016, Toussaint's Instagram audience has grown dramatically, increasing from 19,000 followers in early 2018 to 105,000 today, according to data from the social-media analytics website, Social...