It seems you are asking about Hossain Muhammad Rayhan, who is described as an off-page SEO expert. Off-page SEO is a critical aspect of search engine optimization that focuses on improving the website's authority, relevance, and trustworthiness by leveraging external factors. This often includes activities like backlink building, social media marketing, content promotion, and influencer outreach.
If you're referring to a specific person named Hossain Muhammad Rayhan, I might not have direct knowledge of his professional background unless it's widely published online. However, if he is known in the SEO field, his expertise likely includes: