Peter Chung
Managing Director & CEO at Summit Partners
Reviewed Updated Mar 20, 2026This profile is AI-generated. If you spot an error, please help us fix it by sharing a URL to the correct information.
Summit Partners CEO and growth equity veteran with 30-year focus on photonics, semiconductors, and networking companies. 18 portfolio companies went public; massive exits (E-TEK/JDS Uniphase $18B+, Finisar, Acacia to Cisco).
Background
Peter Y. Chung is the Managing Director and Chief Executive Officer of Summit Partners, a global growth equity firm, positions he has held since 2015 12. He joined Summit Partners in 1994 and focuses primarily on the technology sector 1. During his tenure, he has invested in more than 30 companies, including 18 currently or formerly publicly traded companies 12.
Prior to Summit, Chung worked in the Mergers & Acquisitions department of Goldman, Sachs & Co. 12. He holds an AB in economics, magna cum laude, from Harvard University and an MBA from Stanford University Graduate School of Business 12.
Chung has been named to the Forbes Midas List multiple times 13. He is an Emeritus Trustee of the California Academy of Sciences and serves on the Executive Board of Friends of Harvard Football and the Board of Directors of the National Park Foundation 14.
Stated Thesis
(Self-reported: These represent what Chung and Summit Partners say publicly about their investing approach. See Inferred Thesis for analysis of actual investment behavior.)
Summit Partners positions itself as a growth equity investor, partnering with “profitable, category-leading companies and their leadership teams seeking to build best-in-class businesses” 25. The firm leverages its “deep industry expertise and their Peak Performance Group value enhancement platform” to support portfolio companies 5.
Chung has discussed the evolution of the growth equity industry and Summit’s 40-year focus on growth investing on the Growth Investor Podcast 6. Summit has invested in more than 550 companies across technology, healthcare, financial services, business services, and consumer sectors 5.
The firm maintains over 80 growth equity professionals across offices in North America and Europe, with an investment sweet spot of approximately $20M and a range of $5M to $50M 17.
Inferred Thesis
The analysis below is based on 15 verified investments attributed to Peter Chung at Summit Partners 1238.
Sector concentration (based on 15 verified investments): - Photonics / optical networking: 4 of 15 (27%) — E-TEK Dynamics, Finisar, Acacia Communications, Sirenza Microdevices - Semiconductors / RF technology: 3 of 15 (20%) — MACOM, Empower RF Systems, AltoCom - Enterprise software: 2 of 15 (13%) — GoldenGate Software, Striim - Networking / security: 2 of 15 (13%) — A10 Networks, Ubiquiti - Healthcare: 2 of 15 (13%) — Sound Physicians, NightHawk Radiology - Other (insurance, data): 2 of 15 (13%) — SeaBright Insurance, Syndigo
Key patterns:
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Deep technology hardware specialization: Nearly half of Chung’s portfolio (47%) is in photonics, optical networking, and semiconductor/RF technology. This is a distinctive concentration among growth equity investors and reflects deep domain expertise in physical-layer technology.
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Massive exits in optical/photonics: Chung’s E-TEK Dynamics investment merged with JDS Uniphase in a transaction valued at over $18 billion 1. Finisar was acquired by Coherent, and Acacia Communications was acquired by Cisco 18. These three exits alone represent enormous returns in the optical networking space.
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Growth equity, not early stage: Consistent with Summit’s model, Chung invests at the growth stage — typically in companies with established revenue and seeking capital to scale, not at seed or Series A 57.
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Public market exits dominant: 18 of his 30+ investments resulted in publicly traded companies 1, indicating a preference for companies with clear IPO potential. Current public company board seats include A10 Networks and MACOM 38.
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Long tenure, concentrated portfolio: Over 30 years at Summit, Chung has done roughly one investment per year, suggesting a highly selective approach.
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Cross-sector diversification into healthcare: Board positions at Sound Physicians and NightHawk Radiology (acquired by Virtual Radiologic) show strategic expansion beyond pure technology 1.
Portfolio
| Company | Stage | Year | Sector | Status | Source |
|---|---|---|---|---|---|
| E-TEK Dynamics | Growth | ~1997 | Photonics / Optical | Merged with JDS Uniphase ($18B+) | 1 |
| Finisar | Growth | ~1999 | Photonics / Optical | Acquired by Coherent | 1 |
| Acacia Communications | Growth | ~2012 | Photonics / Optical | Acquired by Cisco | 1 |
| MACOM | Growth | ~2009 | Semiconductors / RF | Public (NASDAQ: MTSI) | 18 |
| A10 Networks | Growth | ~2010 | Networking / Security | Public (NYSE: ATEN) | 13 |
| Ubiquiti | Growth | ~2010 | Networking / Hardware | Public (NYSE: UI) | 1 |
| GoldenGate Software | Growth | ~2005 | Enterprise Software | Acquired by Oracle | 1 |
| Sirenza Microdevices | Growth | ~2001 | Semiconductors / RF | Acquired by RF Micro Devices | 1 |
| Splash Technology | Growth | ~1996 | Print Technology | Acquired by Electronics for Imaging | 1 |
| Ditech Networks | Growth | ~2000 | Networking | Acquired by Nuance Communications | 1 |
| AltoCom | Growth | ~1999 | Semiconductors | Acquired by Broadcom | 1 |
| NightHawk Radiology | Growth | ~2006 | Healthcare | Acquired by Virtual Radiologic | 1 |
| SeaBright Insurance | Growth | ~2007 | Insurance | Acquired by Enstar Group | 1 |
| Sound Physicians | Growth | ~2018 | Healthcare | Private | 1 |
| HyperLight | Growth | ~2022 | Photonics | Private | 1 |
| Striim | Growth | ~2019 | Enterprise Software / Data | Private | 1 |
| Syndigo | Growth | ~2020 | Data / Commerce | Private | 1 |
| Empower RF Systems | Growth | ~2021 | RF / Defense | Private | 1 |
Note: Investment years are approximate. Chung’s 30+ year career at Summit spans many deals where exact investment dates are not publicly disclosed.
In Their Own Words
Chung has discussed Summit’s 40-year evolution and the growth equity industry on the GrowthCap Growth Investor Podcast, though specific quotes from the episode are not publicly available in transcript form 6.
Summit Partners describes its approach: “For over 40 years, Summit has partnered with profitable, category-leading companies and their leadership teams seeking to build best-in-class businesses” 5.
Note: Despite extensive searching, few direct quotes from Peter Chung are publicly available. His public profile is notably reserved for a CEO of a major growth equity firm.
What Founders Say
No independently sourced founder testimonials found. Chung’s long tenure at Summit (30+ years), his Forbes Midas List recognition, and his track record of 18 publicly traded portfolio companies suggest strong portfolio company relationships, but specific founder or CEO quotes about working with him could not be independently verified.
Sources
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Summit Partners, “Peter Y. Chung,” accessed March 2026. https://www.summitpartners.com/team/peter-chung↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩↩
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Crunchbase, “Peter Y. Chung — CEO and Managing Director @ Summit Partners,” accessed March 2026. https://www.crunchbase.com/person/peter-y-chung↩↩↩↩↩↩
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A10 Networks Board of Directors, “Peter Chung,” accessed March 2026. https://investors.a10networks.com/governance/board-of-directors/person-details/default.aspx?ItemId=ed8f2d4a-2958-490c-b842-cbc74641b5b9↩↩↩↩
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National Park Foundation, “Peter Chung,” accessed March 2026. https://www.nationalparks.org/about-foundation/national-council-and-board-of-directors/peter-chung↩
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GrowthCap, “Growth Investing Titan: Summit Partners CEO Peter Chung,” accessed March 2026. https://growthcapadvisory.com/growth-investing-titan-summit-partners-ceo-peter-chung/↩↩↩↩↩
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Summit Partners, “Podcast: Summit’s CEO Peter Chung on the Growth Investor Podcast,” accessed March 2026. https://www.summitpartners.com/news/growth-investor-podcast-peter-chung↩↩
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NFX Signal investor profile for Peter Chung, accessed March 2026. https://signal.nfx.com/investors/peter-chung↩↩
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MACOM Board of Directors, “Peter Chung,” accessed March 2026. https://ir.macom.com/board-directors/peter-chung↩↩↩↩