Matthew Witheiler

Matthew Witheiler is the Managing Director and Head of Late-Stage Growth at Wellington Management in New York, United States. In this role, he oversees a team that invests in late-stage private companies across the technology, consumer, healthcare, and financial services sectors. Before joining Wellington, he spent eight years as a General Partner at Flybridge Capital Partners from 2008 to 2016, focusing on early-stage investments. His earlier career includes product roles at ATI Technologies and co-founding AnandTech in 1999, alongside earning an MBA from Harvard University and a BA from Duke University. He has been recognized on the Forbes Midas List of top tech investors for five consecutive years between 2021 and 2025. Today, his primary focus remains on directing substantial capital into late-stage growth businesses while navigating emerging market trends like artificial intelligence.