I do quite a bit of public speaking in the search industry. You should be able to find me at these events. If you are looking for a much bigger list of Internet events, try Fili’s list.
March 27th/28th: Pubcon Austin (maybe)
March 16tth/17: InOrbit, Slovenia
March 27/28: GYDA, London (Private event)
March 28/29: Digital Marketing Europe
April 6th: Digital Dinner, Leeds
April 19-21: BrightonSEO, UK
May 11: YoastCon, Nimjegen (Netherlands)