The William Blair Mafia
8 people came through William Blair and went on to found or lead other companies.
Brent GrinnaM&A AnalystFounded EverTruePat VihtelicAssociate - 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 Summer AnalystFounded FlexPointBrandon KashfianVenture Capital AssociateFounded AltaThera Pharmaceuticals
Frequently asked questions
- What is the William Blair mafia?
- The William Blair mafia is the network of 8 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), Brandon Kashfian (AltaThera Pharmaceuticals).
- 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, AltaThera Pharmaceuticals.






