Matrimony.com, an online matchmaking services company, has appointed Sankara Narayanan as chief operating officer to spearhead the business of the company. Sankara Narayanan has rich experience in general management, leadership, finance, technology and change management and earlier worked as national operations head of Aircel, CEO-Karnataka at Vodafone Essar , head of finance and commercial, Ranbaxy Guangzhou China and head of finance and commercial West Africa, Ranbaxy Laboratories Ltd.