<2nd Sangsang Summit> is a conference where about 600 people including startup support institution stakeholders, social enterprises, public institutions, various external speakers, and KT&G aspiring applicants dreaming of innovative entrepreneurship gathered to discuss directions for innovative startup ecosystem development and share youth entrepreneur development achievements.Four thematic presentations were made on 'Diversity of Innovators' including social innovation startups viewed from humanities, market, and technology perspectives, and the importance of social innovators. Key speakers included Kim In-sun, President of Korea Social Enterprise Promotion Agency; Lee Jong-kwan, Sungkyunkwan University Philosophy Department Professor; and Kim Sang-wook, Kyung Hee University Physics Department Professor.