Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

At the early stage, where there is often a lack of historical data and meaningful signals for investors, raising capital can be more about how well you present and who you know.Just ask Brian Chesky the CEO of AirBnb about the various VCs that turned AirBnb down while raising his seed round at a $1.5M valuation (now worth an estimated $25 billion).Expect software and ambitious startups in the fundraising space to continue to develop new approaches to fundraising and investing as more alternative investment activity moves online.

Answer: creator: AirBnb, Brian Chesky; chief_executive_officer: AirBnb, Brian Chesky; founded_by: AirBnb, Brian Chesky