Chad Horenfeldt is the VP of Customer Success at Siena AI and an award-winning CS leader with over 20 years of experience building high-impact teams at companies like Eloqua (acquired by Oracle) and Kustomer (acquired by Meta). He is the author of the best-selling book, The Strategic Customer Success Manager.

Known for his blend of strategic insight, empathy, and operational excellence, Chad has shaped the careers of hundreds of CSMs and helped define the modern CS profession. He’s also a founding member of CS Angel, advisor to emerging CS tech, and a longtime advocate for elevating CS into a strategic function.