Spring.net's Paul Terry Walhus documented a talk by Derek Rey at the RISE conference on the cusp of SXSW 2011 in Austin Texas in early March. Derek Rey is the Co-Founder and Vice President of Sales for Ad.ly, the celebrity endorsement platform for social media. As a member of Ad.ly’s founding team, Derek has created more than 24,000 meaningful advertising experiences for 150+ Fortune 500 brands. He has been a featured guest on Fox News discussing “Twitter advertising” and is an active member of Los Angeles’ ThinkLA advertising industry group. Derek began his career in Hong Kong where studied under one of Asia’s most respected entrepreneurs, Mila How. He returned to San Francisco to join Technorati, the leading blogosphere search engine and one of the first social media companies to embrace the “online conversation.” You can find Derek on Twitter: @d_rey Celebrities on ad.ly include Kim Kardashian, 50cent, Mariah Carey, Paris Hilton, Charlie Sheen, Snoop Doogg, Khloe Kardashian, Soulja Boy, Cristiano Ronaldo, Kourtney Kardashian, Chris Brown, Nick Cannon, Ivete Sangalo, Ashlee Simpson, Mandy Moore, Giuliana Rancic, Rev Run, Serena Williams and more.