Web_designing _elearning_Word_Press

Looking for web designer for Online Education portal/ e-learning for existing WordPress Site by using proper free/paid plugins. I am looking for any one who has already created an e learning portal for reputed websites using WP.I need all possible features like video conferencing, black board, chat, scheduling classes, maintaining tutors, students data, fees payment, eCommerce etc, and the Site should be professional and attractive. And also required content developers if possible.