| Birthplace | Rio de Janeiro, Brazil |
| Birthdate | 6/29/67 |
Prior to founding ORAMA, Guilherme was a partner at AGORA, where he was responsible for Technology and Marketing. AGORA was the leader broker in Brazilian Stock Exchange for more than five years, before being acquired by BRADESCO, for more than 500 million of dollars. Guilherme is the CEO and founder of ORAMA. He holds an MBA from PUC-RJ and a PhD from UMSA - Argentina.