Digital Marketing Strategy

I recently started a business doing career coaching (www.digitalfountain.ca) I am seeking a professional who is well versed in marketing tools and techniques to automate leads in sales. I need someone who can help me with posts on Linkedin, Instagram, Facebook and Youtube.
I need someone who can get me results ROI ! and also help me implement one to many coaching instead of one to one

Instagram (digitalfountain_inc)
Youtube (search for digital fountain consulting)
Twitter (@sanjay_duggal)
Facebook (Digital Fountain Consulting Inc)