Gaetan Castelein
About Gaetan Castelein
Gaetan Castelein serves as the CMO and Head of Sales and Partnerships at Onehouse, where he leads the go-to-market strategy for a universal data lakehouse. He has extensive experience in marketing and product management, having held senior roles at companies such as Tecton, Cohesity, and VMware.
Current Role at Onehouse
Gaetan Castelein serves as the Chief Marketing Officer (CMO) and Head of Sales and Partnerships at Onehouse. He has held this position since 2023, overseeing a team of sales, marketing, and partnership professionals. In this role, he leads the go-to-market strategy for a universal data lakehouse, focusing on driving growth and establishing strategic partnerships.
Previous Experience at Tecton
Before joining Onehouse, Gaetan Castelein worked at Tecton as the Vice President of Marketing from 2019 to 2023. During his four years in this role, based in San Francisco, California, he was responsible for developing and executing marketing strategies to enhance the company's market presence.
Background in Product Management and Marketing
Castelein has extensive experience in product management and marketing. He served as the Senior Director of Product Management and Product Marketing at VMware from 2008 to 2016. He also held the position of Head of Product Marketing at Cohesity from 2016 to 2018 and was the Vice President of Product Marketing at Confluent for one year in 2018 to 2019.
Education and Academic Qualifications
Gaetan Castelein earned his Master of Business Administration (MBA) from Stanford University Graduate School of Business, studying from 2002 to 2004. He also holds a Master of Science in Electrical Engineering (MSEE) from Université catholique de Louvain, where he studied from 1993 to 1998.
Early Career and Consulting Experience
Castelein began his career as a Strategy Consultant at The Boston Consulting Group, where he worked from 1999 to 2002 in the Brussels Area, Belgium. He also worked at Azul Systems as a Senior Product Manager for the Java Platform from 2004 to 2007 in Mountain View, California.