Vincent DeCastro is a pioneering force in the evolution of B2B marketing, with over 20 years of experience helping enterprise organizations navigate the intersection of Account-Based Marketing (ABM), Artificial Intelligence, and Generative Engine Optimization (GEO). As President and Founder of The ABM Agency, Vincent has established himself as a thought leader in transforming how businesses approach the modern, answer engine first buyer’s journey and has been recognized as one of the top 15 AEO experts by Conductor.

Vincent’s expertise spans the full spectrum of account-based marketing strategies, from highly personalized 1:1 campaigns targeting individual high-value accounts to scalable 1:Few approaches that maintain personalization at scale. His deep understanding of enterprise marketing challenges has made him a trusted advisor to organizations across industries including industrial manufacturing, SaaS, cybersecurity, fintech, pharmaceutical, and healthcare.

In 2025, Vincent led The ABM Agency’s pioneering launch of Generative Engine Optimization (GEO) services, positioning the agency at the forefront of a fundamental shift in how organizations build digital visibility and authority. His research-backed approach to GEO, grounded in the latest academic findings and real-world enterprise data, has helped organizations adapt to the reality that 71% of B2B buyers now use AI search in their procurement and vendor research process.

Vincent is a published author and frequent speaker on topics ranging from ABM strategy and sales-marketing alignment to the transformative impact of AI on B2B marketing. His insights have been featured in leading publications including Entrepreneur, MarketingProfs, and LinkedIn, where he shares practical frameworks and strategies that enterprise marketing teams can implement immediately.