Matthew is the editor in chief and co-founder of Social Media Influence. He is a writer and consultant who has advised companies on social media strategy since 2005.

Matthew specialises in social media editorial strategy and sustainability communications. He is the lead author of the SMI-Wizness Social Media Sustainability Index and writes the Social Business column for Guardian Sustainable Business.

Matthew has worked in New York and London for publications such as the New York Times, National Geographic, The Atlantic and Wired. He was a senior editor at the Industry Standard and the Village Voice and has blogged for Time.com and Slate’s The Big Money. Matthew teaches social media publishing at Cardiff University. He is the author of three books: Oil, Anatomy of an Industry, The Gastrokid Cookbook and #FAIL: The 50 Greatest Social Media Screw Ups.

He tweets @mateoy and @socialinfluence.

Email matthew at socialmediainfluence.com or contact him on twitter