Chris Messina, a social technology expert, who is credited with creating hashtags and popularizing the unconference event model around the world. He has an extensive background in product and user experience design and has worked with various startups and organizations where he has managed to create movements online and off successfully. Messina has also been instrumental in driving change in both large and small enterprises. He led the creation of Google Developers as a brand while working as a Developer Advocate at Google and later led the design of Google+'s publisher platform offerings. Messina has also spoken at various conferences and has been quoted in high-profile media outlets. He is currently serving as the Product Lead at Republic and co-founded Molly.