Manny Hernandez is a social media expert and diabetes advocate. In 2009, he authored Ning for Dummies and contributed to Twitter Marketing for Dummies.

Manny is the President of the Diabetes Hands Foundation, 501(c)(3) nonprofit that connects people touched by diabetes and raises diabetes awareness. He is the founder of tudiabetes and estudiabetes, 2 social networks with more than 26,000 members.

You can follow him on Twitter: @askmanny.