Adolfo Castellon is a seasoned engineering leader who has built and scaled programmatic advertising platforms from prototype to industry-leading businesses, including BrightRoll’s RTB marketplace which reached a $120M/year run rate and was acquired by Yahoo for $640M. He led engineering across Yahoo’s programmatic and premium supply platforms, growing the business roughly 400% and scaling systems to handle over 50 billion daily transactions and 12 TB of data per day. Known for turning small teams into elite, highly collaborative engineering organizations, he grew BrightRoll’s team from 10 to 100+ engineers and launched an award-winning DSP and global infrastructure footprint. He co-founded Pipedream and more recently joined Workday as Senior Director of Engineering, blending startup grit with enterprise-scale operational rigor. Based in California and trained at MIT in EECS, he pairs deep systems and data infrastructure expertise with a knack for aligning engineering strategy to commercial outcomes. Quietly experimental during career transitions, he’s spent time prototyping new ideas that bridge product innovation and scalable architecture.
6 years of coding experience
20 years of employment as a software developer
BE (Bachelor's of Engineering) Electrical Engineering and Computer Science, BE (Bachelor's of Engineering) Electrical Engineering and Computer Science at Massachusetts Institute of Technology
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