Fix mail contact link

_posts/2015-05-04-The-Role-of-the-API-Designer.md

@@ -58,4 +58,4 @@ The API Designer focuses on the following:
 If done right, you will be the standard bearer for APIs in your company. If you’re a believer in the power of APIs like I am, getting this right means you’ll have a significant impact on the business.
 
 
-If you’re doing this already and have a success story to tell, please [let me know](dave.golberg@capitalone.com)! Or if you want to do this and are looking for a place to start, [Capital One is hiring](http://www.google.com/url?q=http%3A%2F%2Fjobs.capitalone.com%2Fus%2Fwashington-dc%2Fdigital%2Fjobid7209212-api-designer%3Fapstr%3Dsrc%253DJB-10110&sa=D&sntz=1&usg=AFQjCNFCv6fgW5v7ZH0DK8ZCJk0BVkvYxg)! 
+If you’re doing this already and have a success story to tell, please [let me know](mailto:dave.golberg@capitalone.com)! Or if you want to do this and are looking for a place to start, [Capital One is hiring](http://www.google.com/url?q=http%3A%2F%2Fjobs.capitalone.com%2Fus%2Fwashington-dc%2Fdigital%2Fjobid7209212-api-designer%3Fapstr%3Dsrc%253DJB-10110&sa=D&sntz=1&usg=AFQjCNFCv6fgW5v7ZH0DK8ZCJk0BVkvYxg)!