董事
Xu Diyong is a corporate insider and director of Q32 Bio Inc. (NASDAQ: QTTB), where he is also reported as a 10% owner of the company’s common stock through significant equity holdings.[[2]](https://www.gurufocus.com/insider/271591/diyong-xu)[[4]](https://www.streetinsider.com/SEC+Filings/Form+4+Q32+Bio+Inc.+For:+May+28+Filed+by:+Xu+Diyong/26585759.html)[[5]](https://investing.com/news/insider-trading-news/q32-bio-director-xu-diyong-buys-15m-common-stock-93CH-4720735?ampMode=1) Recent SEC filings show that he has actively traded Q32 Bio shares, including substantial purchases of common stock in late May 2026, reflecting a material insider position in the clinical-stage biotechnology company.[[4]](https://www.streetinsider.com/SEC+Filings/Form+4+Q32+Bio+Inc.+For:+May+28+Filed+by:+Xu+Diyong/26585759.html)[[5]](https://investing.com/news/insider-trading-news/q32-bio-director-xu-diyong-buys-15m-common-stock-93CH-4720735?ampMode=1)
Professionally, Xu is a Partner (formerly Principal) on the Private Equity team at OrbiMed, a leading healthcare-focused investment firm, where he has been involved in venture and growth equity investments across biotech, medical device, and diagnostics companies since joining in 2012.[[1]](https://theorg.com/org/q32/org-chart/diyong-xu)[[6]](https://www.orbimed.com/leadership/diyong-xu/)[[7]](https://www.q32bio.com/our-team/) He has served on or observed the boards of multiple life sciences companies, and previously worked in Lazard’s healthcare investment banking group, advising biotech, diagnostics, and pharmaceutical clients on M&A, financing, and strategic transactions in the U.S., Japan, and EU.[[1]](https://theorg.com/org/q32/org-chart/diyong-xu)[[6]](https://www.orbimed.com/leadership/diyong-xu/) Xu holds an M.S. in Management Science and Engineering from Stanford University, an M.S. in Molecular and Cellular Biology from Dartmouth College, and a B.S. in Biology from Zhejiang University.[[1]](https://theorg.com/org/q32/org-chart/diyong-xu)[[6]](https://www.orbimed.com/leadership/diyong-xu/)
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