Adam H. Hennessey

Adam H. Hennessey

Managing Director atSummit PartnersBoston

Adam H. Hennessey is a Managing Director and Chief Financial Officer at Summit Partners, where he has worked since 2004. He previously worked at Oxford Bioscience Partners and PricewaterhouseCoopers.

What Adam can write

Writes checks of$10M to $30M+
Comes in atSeries BMostly follows a lead
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Summit Partners writes $10M to $30M+ checks, larger than 97% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Summit Partners.

Career

  1. PricewaterhouseCoopers
  2. Oxford Bioscience Partners
  3. Summit Partners · Managing Director and Chief Financial Officer
    Now
  4. PricewaterhouseCoopers
  5. Oxford Bioscience Partners

Focus

information serviceseducation technologycybersecuritysecurityenterpriseFirm Operations

Education

Babson College, BS in accounting and business planning & analysisNortheastern University, MBA

Also at Summit Partners

Partners like Adam

At firms with a similar stage, sector and check size.

Alert me when Summit Partners is active

One email when Adam's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

Send Mode VC your deck

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

Who is Adam H. Hennessey?

Adam H. Hennessey is a Managing Director and Chief Financial Officer at Summit Partners, where he has worked since 2004. He previously worked at Oxford Bioscience Partners and PricewaterhouseCoopers.

How much does Adam H. Hennessey invest?

Adam H. Hennessey invests through Summit Partners, which writes checks of $10M to $30M+ at series b.

How do I pitch Adam H. Hennessey?

A warm intro from a founder Summit Partners backed works best.

What did Adam H. Hennessey do before Summit Partners?

PricewaterhouseCoopers; Oxford Bioscience Partners; PricewaterhouseCoopers; Oxford Bioscience Partners.

Last updated 2026-10-15. Is this you? Ask for a correction.