Infectious Advertising has elevated Siddhartha Singh from chief operating officer to chief executive officer and managing partner.
Singh joined the agency in 2022.
Nisha Singhania, co-founder and managing partner, who has also served as CEO, will focus on strategic initiatives and driving the agency’s next phase of growth, according to an agency statement.
Singhania and Ramanuj Shastry, co-founders and managing partners, Infectious Advertising, stated, “Siddhartha understands both the ambition and the soul of this agency. This elevation reflects the trust he has earned over the years.”
Singh said, “Infectious has always been about creating work that people care about. I’m humbled by the trust and excited to lead the agency at a time when there is a significant opportunity to create real impact.”
He has also had stints with Hyphen Communications, Famous Innovations, Leo, Publicis, Rediffusion, and Salt Brand Solutions.

