About Jonathan Howard
Jonathan Howard is an executive officer and director at Sirris.
Jonathan Howard first appears on SEC filings in 2023.
Experience
This experience comes from SEC filings. The years are when the filings name Jonathan Howard in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people Jonathan Howard works with at each company, as listed on that company's latest Form D.
Sirris Inc. · Form D, Aug 22, 2025
PT
Phillip Tsiaras
Executive officer and director
GS
Graham Sills
President and director