Greg McCullough
Co-founder and product/operations leader
Redwood City, California
Joined May 2026
Summary
Serial product and startup builder who co-founded TapResearch and helped scale product and operations during the company's growth. gregmccullough+2
Technical product leader with experience leading product, engineering, operations and data teams across consumer and enterprise products. gregmccullough+1
Operator focused on respondent experience and scaling mobile research sample—advocated policies and yield management approaches to improve survey completion and quality. tapresearch+1
Now exploring AI and LLM-based systems, publishing practical guidance and experiments on how teams can make the most of AI in product and operations. gregmccullough+1
Work
Education
Projects
Writing
How to Unlock 100x Sample
May 1, 2021Explains TapResearch's approach to improving respondent experience (RX), yield management, and policy thresholds to dramatically expand mobile survey sample availability.
LLM systems / AI notes
Personal writings on LLM basics and practical thoughts about using LLM-based AI, aimed at knowledge workers and builders.