Mark A. Delaar

Mark A. Delaar

Senior Advisor atSummit PartnersMassachusetts

Mark A. Delaar is a Senior Advisor at Summit Partners, focusing on healthcare services, technology, and life sciences. He has held board positions at several companies and previously worked in finance and the military.

What Mark 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. United States Army
  2. Public Financial Management
  3. Banc of America Securities
  4. DB Alex Brown
  5. Summit Partners · Senior Advisor
    Now

Investments named in public bios

Club ChampioneClinical SolutionsLumaBridgeModMedAdvance HealthAnesthetixAutobaseCOMS InteractiveEHEFermentas InternationalImmco DiagnosticsLakePharmaMDVIPMy Dentist HoldingsOB Hospitalist GroupSurgical Affiliates Management Group (SAMGI)

Focus

healthcare serviceshealthcare technologylife sciences

Education

United States Military Academy, BSMIT Sloan School of Management, MBA

Also at Summit Partners

Partners like Mark

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

Alert me when Summit Partners is active

One email when Mark'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 Mark A. Delaar?

Mark A. Delaar is a Senior Advisor at Summit Partners, focusing on healthcare services, technology, and life sciences. He has held board positions at several companies and previously worked in finance and the military.

How much does Mark A. Delaar invest?

Mark A. Delaar invests through Summit Partners, which writes checks of $10M to $30M+ at series b.

How do I pitch Mark A. Delaar?

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

What did Mark A. Delaar do before Summit Partners?

United States Army; Public Financial Management; Banc of America Securities; DB Alex Brown.

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