Where does Jack Costello work?

Jack Costello is Angel at Beacon Angels.

What check size does Jack Costello write?

Jack Costello typically writes checks of $50K – $400K.

Investor

Cambridge, Massachusetts

Writes $50K – $400K checks · typically $225K

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Who is Jack Costello?: Angel at Beacon Angels
Where does Jack Costello work?: Jack Costello is Angel at Beacon Angels.
What check size does Jack Costello write?: Jack Costello typically writes checks of $50K – $400K.