Jason's books focus on SEO (Search Engine Optimization), Social Media Marketing, and Google Ads - the three pillars of digital marketing. He is founder and Senior SEO / Social Media Director of the JM Internet Group. He also teaches for Stanford University (Continuing Studies). Dr. McDonald received his Ph.D. from the University of California, Berkeley, in 1992 and his BA from Harvard University in 1985. Dr. McDonald is AdWords certified. Got a question? Just Google 'Jason McDonald,' - he's there at the top. Then visit his website and send him a question. Jason answers questions from readers every day.