I am a graduate of an Associate Degree in Information Technology from University Of Luzon. Currently I am working now as online advertiser using lots of niche like Facebook, Blogspot and Youtube. I have around 1 year of work experience.
As a SEO Manager you must know how to grow your viewer at the same time the traffic itself to the niche that you are managing.
As a SEO manager you must also know some various language basically the HTML, as it is the core language in terms of developing such thing.
As a SEO manager you must also know content writing.
And last but not the least you must be professional i terms of dealing such criticism.