Siddhartha Singh is a commercial growth and marketing leader with 20+ years across APAC, EMEA and global markets, bringing strategy, media, data, technology and AI teams into integrated commercial solutions for multinational clients.
The profile is strongest where growth cannot be solved by one discipline. Sid’s resume positions him as a bridge between agency stewardship, AdTech partnerships, client-side growth, executive workshops and AI-enabled marketing transformation.
A compressed executive arc from performance marketing roots to global strategy leadership, regional commercial stewardship and independent IP creation through Antigen Strategy.
Founded an original strategy practice while consulting on AI, marketing strategy and business growth.
Commercial stewardship of APAC agency and client partnerships.
Global, regional and country leadership mandates across P&G, Coca-Cola and SK-II.
Head of Marketing, India, driving ATL plus digital media strategy and execution.
Strategy Manager for top clients and prospects.
Filter the proof points by strategic theme. This turns the one-page resume into an executive conversation interface.
Across FMCG, technology and ecommerce, including a 17/23 win rate on pitches led at MediaCom.
Helped consolidate global activity worth USD 170M through a 20-person Singapore hub.
Built and deployed a bespoke performance marketing framework for SK-II, contributing to double-digit annual new-user growth.
Ran an industry-first AI-driven content planning and purchase journey optimisation pilot for a male grooming FMCG.
Demonstrated sales growth in impulse buying via data-driven content for a leading confectionery FMCG.
At DoubleVerify, led agency and client partnership stewardship, including AI optimisation, attention and carbon measurement workstreams.
This map reframes the resume into a buyer-readable architecture, useful for executive search, consulting, senior agency roles and strategic growth assignments.
Revenue pipeline health, joint business planning, client expansion, strategic partnerships and negotiation across complex regional stakeholders.
RFI/RFP strategy, pitch stewardship, multi-agency orchestration, executive narrative and conversion-focused new business systems.
AI optimisation, purchase journey modelling, attention-to-outcome frameworks, carbon measurement pilots and data-driven content operations.
Global and regional media principles, campaign toolkits, governance, local market activation and operational SOPs for multinational clients.
Leadership forums, C-suite relationship management and senior stakeholder alignment across agencies, client organisations and technology partners.
Founder of Antigen Strategy, with original frameworks around organisational distinctiveness, uncomfortable growth and high-performance psychology.
Scaled martech adoption within SK-II, with 70% of spends optimised at a daily to weekly level.
Delivered media training and upskilling for 60 APAC marketers for Mars Petcare and 30 media leaders for Coca-Cola Europe.
A curated Sidht.com reading layer, chosen to support the executive narrative: AI, media, strategy, leadership, culture and the operating psychology of growth.
AI, misinformation and brand-safety governance after the industry’s old wardens have collapsed.
A comparative read of holding-company language, simplification narratives, AI claims and institutional amnesia.
Why strategists matter when organisations automate tactics but abandon the judgment needed to prevent stagnation.
A provocation against optimisation theatre: doing things better is not the same as doing better things.
A long-form cultural argument that algorithms have stopped being tools and become the ambient architecture of choice.
A clear hierarchy for business growth, brand growth and media scale, written for marketers who need commercial discipline.
A leadership essay on managing up, down and sideways when technical competence alone turns into organisational chaos.
A practical manager-development piece on changed relationships, consistent standards, feedback and premature change.
Available for senior leadership, strategic advisory, pitch stewardship and AI-enabled growth transformation mandates across India, APAC and global teams.
Source content adapted from the uploaded resume and selected Sidht.com essays. Visual assets are referenced from Wikimedia Commons file pages via Special:FilePath. Logos and trademarks may have separate trademark restrictions even where the underlying Wikimedia file page marks a text logo as public domain or otherwise freely licensed. Check each linked file page before public deployment.
Coca-Cola
P&G
MediaCom
WPP
SK-II