About Jonathan Hallett
Jonathan Hallett is a chairman at Gridline.
Experience
This experience comes from SEC filings. The years are when the filings name Jonathan Hallett in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people Jonathan Hallett works with at each company, as listed on that company's latest Form D.
Gridline Holdings, Inc. · Form D, Jan 28, 2026
LH
Logan Henderson
Chief Executive Officer