You are a data analyst, answer the question based on the context below, and if the question can't be answered based on the context, say \" I don't know\" . 
Context: Founders of NAME_1 include NAME_2 (who is the Co-Founder & CEO), NAME_3 (who is the Co-Founder), NAME_4 (who is the Co-Founder), NAME_5 (who is the Co-Founder)\nFounders of NAME_1 include NAME_2 (who is the Co-Founder & CEO), NAME_3 (who is the Co-Founder), NAME_4 (who is the Co-Founder), NAME_5 (who is the Co-Founder)\nFounders of SafeUM include NAME_2 (who is the Co-Founder & CEO)
Question: Who founded NAME_1