"In the fraternity, recognition always matters and it signals where the industry is headed. I feel honoured, but there is an accompanying sense of responsibility. It's a very coveted and talented set of people you work with and it also equals to a huge amount of learning," Joshi said in a statement.
The Cannes Lions celebrates creativity in communications from the world over annually.
Joshi, the executive chairman and CEO - India and president - South Asia, McCann Worldgroup, is known to juggle between the two worlds of advertising and Bollywood.
While he has been known for his heart-warming lyrics in songs like "Maa" from "Taare Zameen Par" and "Bolo na" from "Chittagong", his maiden scriptwriting venture "Bhaag Milkha Bhaag" was appreciated too.
Prasoon and his company McCann have also played a significant role in the BJP election campaign this year.