Siddhartha Singh Elevated to CEO and Managing Partner at Infectious Advertising

Infectious Advertising has elevated Siddhartha Singh to the role of Chief Executive Officer and Managing Partner, marking a leadership transition aimed at strengthening the agency’s next phase of growth. He steps into the role after serving as Chief Operating Officer, where he played a key role in building operational capabilities and deepening client relationships.

In his new position, Singh will work closely with the founders to shape the agency’s direction, with a focus on integrating strategy and creative functions, enhancing client engagement, and strengthening internal capabilities. The move reflects a broader emphasis on delivering cohesive brand solutions in an increasingly complex marketing landscape.

The transition also sees co-founder Nisha Singhania, who previously held the CEO role, shifting her focus toward strategic initiatives and long-term growth priorities. This restructuring highlights the agency’s intent to evolve its leadership model while maintaining continuity in vision and execution.

Singh’s elevation underscores a growing trend within agencies to promote leaders with strong operational and client-facing experience, as firms look to balance creativity with business impact in a rapidly changing environment.

About Infectious Advertising:
Infectious Advertising is an independent, digital-first creative agency founded by Ramanuj Shastry and Nisha Singhania. The agency focuses on building brand-led solutions that combine creativity with strategic problem-solving for businesses across sectors.

About Siddhartha Singh:
Siddhartha Singh brings over two decades of experience in advertising and marketing, having worked with agencies such as Leo Burnett, Ambience Publicis, and Rediffusion. He joined Infectious Advertising as Managing Partner and COO, contributing to its growth and operational scale.