Massachusetts

Summit Partners

Summit Partners backs generalist sectors at Series B, writing $10 million to $30 million or more checks, mostly following other investors from its Massachusetts headquarters.

Entry stageSeries B
Check size$10M to $30M+
Leads roundsMostly follows
FocusGeneralist
Latest fundn/a
Investing team24 peopleNo activity since Sep

Who you would pitch at Summit Partners

24 people on the investing team, 15 of them partners who can make the call. Partners are listed first.

Adam H. Hennessey
Adam H. HennesseyManaging DirectorHe previously worked at Oxford Bioscience Partners and PricewaterhouseCoopers.
Andrew J. Collins
Andrew J. CollinsManaging DirectorHe is part of the firm's Public Equity Team.
Antony C. Clavel
Antony C. ClavelManaging DirectorHe joined in 2013 and has board experience with several companies.
Craig D. Frances
Craig D. FrancesManaging DirectorHe joined in 2003 and has board experience with several companies, including BluePearl and HealthCare Partners.
Darren M. Black
Darren M. BlackManaging DirectorHe previously held roles at SV Life Sciences, co-founded ClinCare and PharmaStar, and consulted at Accenture.
David W. Averett
David W. AverettManaging DirectorHe leads the Peak Performance Group and has held leadership roles at Immco Diagnostics and George Group.
Johannes N. Grefe
Johannes N. GrefeManaging DirectorHe has held board and investment roles in numerous companies and previously worked at Vitruvian Partners, TA Associates, and Lazard.
John R. Carroll
John R. CarrollManaging DirectorHe focuses on business services and tech-enabled services, with prior roles at BayBank and Bain & Company.
Leonard C. Ferrington
Leonard C. FerringtonManaging DirectorHe is part of the Public Equity Team.
Matthew G. Hamilton
Matthew G. HamiltonManaging DirectorHe has held board seats and investments in companies like a.k.a.
Matthias G. Allgaier
Matthias G. AllgaierManaging DirectorHe joined in 2015 and has prior experience at H.I.G.
Michael A. Medici
Michael A. MediciManaging DirectorHe is part of the firm's investment team.
Peter A. Francis
Peter A. FrancisManaging DirectorHe has board and investment experience in healthcare providers, services, and technology.
Peter Y. Chung
Peter Y. ChungManaging DirectorHe has invested in over 30 companies, including many publicly traded ones, and previously worked at Goldman Sachs.
Chris Bon
Chris BonPartnerHe previously worked in M&A advisory at J.P.
Mark F. Hexamer
Mark F. HexamerPrincipalHe previously cofounded CTGrowthPartners, worked at Fortis Partners, and cofounded Swap.com and Sidebar Software.
Ali DowdPrincipalShe joined the Boston office as a Vice President in 2021 and is on the Healthcare & Life Sciences team.
Christopher J. Dean
Christopher J. Deanco-leads the Growth Products & Services teamHe has held board directorships at numerous companies and previously worked at Morgan Stanley, J.H.
Greg S. Goldfarb
Greg S. GoldfarbSenior AdvisorPreviously, he held roles at Starwood Hotels & Resorts, including Director of E-Commerce and Director of the Innovation Lab.
Mark A. Delaar
Mark A. DelaarSenior AdvisorHe has held board positions at several companies and previously worked in finance and the military.
Robin W. Devereux
Robin W. DevereuxSenior AdvisorShe previously worked at several other firms and holds a BS in accounting from Northeastern University.
Scott Collins
Scott CollinsSenior AdvisorHe previously worked at McKinsey & Company and in U.S. federal government roles.
Thomas H. Jennings
Thomas H. JenningsSenior AdvisorJennings is a Senior Advisor at Summit Partners, having joined in 1997 and served as Managing Director.
Chelsea L. JurmanInvesting team

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Writes $10M to $30M+ checks. Its smallest check is larger than 97% of firms in the atlas.

Bars: how many firms in the atlas report each band. Highlighted: this firm.

No recent activity since September 2026. Quiet does not mean closed.

Weekly count of activity updates. Activity is not a confirmed deal.

Notable investments

KlaviyoDarktraceDr. SquatchOdooStackAdaptonXKeyfactorHealthline MediaInvoiceCloudFleetCor (Corpay)

In their words

Summit Partners | Growth Equity | HomeAt Summit Partners we provide capital and resources to power the growth of category-leading companies as a growth-focused private equity investor.www.summitpartners.com
Founders and investors at a Mode VC gathering

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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

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Questions

What stage does Summit Partners invest in?

Summit Partners reports entry at series b.

How much does Summit Partners invest?

Summit Partners reports checks of $10M to $30M+.

Does Summit Partners lead rounds?

Summit Partners mostly follows other investors.

Who are the partners at Summit Partners?

Adam H. Hennessey (Managing Director), Andrew J. Collins (Managing Director), Antony C. Clavel (Managing Director), Craig D. Frances (Managing Director), Darren M. Black (Managing Director), David W. Averett (Managing Director).

Is Summit Partners active right now?

No recent activity since September 2026.

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