Călin began his career in telecomm in 1997, and his first contact with advertising was 11 years ago. After nearly two years in the Client Service department at McCann Erickson Romania, Călin specialized in marketing and business communication in the media group MediaPro, at the helm of the news agency Mediafax. Subsequently, he took over the management of the news agency Mediafax’s Czech Republic. Following this international experience, Călin was Managing Director of MRM Partners for three years. During this time, the digital agency won the title of “Agency of the Year” at Internetics, and received awards at Cannes Lions. In the last two years, under Călin's leadership, Publicis Romania digital projects received awards at renowned festivals, such as: Cannes Lions, Effie, Internetics and Golden Drum.