Freelancer SEO analyst and consultant since 2005. Rated "Expert" on Moz, with hundreds of published articles in several SEO magazines and SEM publications.
Some of them are listed below:
- Four Reasons Why Guest Posts on Popular Sites Don't Always Get Results (and What to Do about Them)
- Federico Einhorn on SearchEnginePeople
- Federico Einhorn on SearchEngineJournal
- Federico on FullTraffic Blog
- ViberAgency articles