Michael C. Diem
Michael C. Diem is a physician. He serves as a Senior Managing Partner and Vice President of WWBD at Pfizer Ventures.
What Michael can write
Writes checks of$3M to $30M
Comes in atSeed, Series A, Series BCan lead the round
Best routeA warm introAsk a founder in their portfolio.
Pfizer Ventures writes $3M to $30M checks, larger than 93% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Pfizer Ventures.Focus
OncologyInflammation & ImmunologyCardiovascularMetabolic/ObesityVaccines
Also at Pfizer Ventures
Partners like Michael
At firms with a similar stage, sector and check size.
Nan LiFounder and Managing Partner, Dimension
Brian HalakManaging Partner, Medical Excellence Capital
Alejandro SanchezPartner, Evidity Health Capital
Colin GreensponCo-Founder, Narya Capital
Ron HuntCo-Founder and Managing Director, New Leaf Venture Partners
Seth L. HarrisonFounder and Managing Partner, Apple Tree Partners
Alert me when Pfizer Ventures is active
One email when Michael's firm raises a fund, adds a partner or shows new activity.
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.
Send your deckQuestions
Who is Michael C. Diem?
Michael C. Diem is a physician. He serves as a Senior Managing Partner and Vice President of WWBD at Pfizer Ventures.
How much does Michael C. Diem invest?
Michael C. Diem invests through Pfizer Ventures, which writes checks of $3M to $30M at seed, series a, series b.
How do I pitch Michael C. Diem?
A warm intro from a founder Pfizer Ventures backed works best.
Last updated 2026-10-15. Is this you? Ask for a correction.