Dr. Prash Puspanathan (also known as Dr. Prash P) is a medical doctor by trade and has been a neuropsychiatry fellow at The Alfred Hospital, Melbourne since 2013. In mid-2016, Prash started Caleb and Brown, a cryptocurrency brokerage firm, to fill a clear gap in the cryptocurrency market. The business was created as a means for clients to instantly access large volumes of cryptocurrency in a flexible, simple and secure manner.

Given the range of Dr. Prash’s expertise, he is an active public speaker within both the field of Psychiatry and the Cryptocurrency industry. As the face of Caleb and Brown, he has featured internationally in numerous conferences, websites, articles and other media content as a thought leader in the philosophical and existential implications of these new technologies.