Nov 19 (Reuters) - The founder and a former top doctor at Done Global were convicted by a San Francisco jury of conspiring to distribute Adderall and other stimulants, in the first federal prosecution of alleged illegal drug distribution by a telehealth company. Ruthia He, who founded Done, and David Brody were each found guilty on Tuesday on two conspiracy counts and four counts of distributing controlled substances in their alleged $100 million fraud scheme. He was also convicted on an obstruction charge.