The William Blair Mafia
7 people came through William Blair and went on to found or lead other companies.
Brent GrinnaM&A AnalystFounded EverTruePat VihtelicAnalyst - Technology Investment BankingFounded Home ChefMark WattHead of Internet & Digital Media Investment BankingFounded Firefly AerospaceKJ ShahInvestment BankingFounded Kaizen LabsGareth DickensAnalyst, Mergers & AcquisitionsFounded ConvenientMDPaul AnthonyTechnology Investment BankingFounded OpStart GrowthSam KushnerInvestment Banking AnalystFounded FlexPoint
Frequently asked questions
- What is the William Blair mafia?
- The William Blair mafia is the network of 7 people who came through William Blair and went on to found or lead other companies, including EverTrue, Home Chef, Firefly Aerospace, Kaizen Labs, ConvenientMD.
- Who is in the William Blair mafia?
- Notable members include Brent Grinna (EverTrue), Pat Vihtelic (Home Chef), Mark Watt (Firefly Aerospace), KJ Shah (Kaizen Labs), Gareth Dickens (ConvenientMD), Paul Anthony (OpStart Growth), Sam Kushner (FlexPoint).
- What companies did William Blair alumni found?
- Companies founded by William Blair alumni include EverTrue, Home Chef, Firefly Aerospace, Kaizen Labs, ConvenientMD, OpStart Growth, FlexPoint.





