About David Grier
David Grier is a director at Spheryx.
David Grier first appears on SEC filings in 2015.
Experience
This experience comes from SEC filings. The years are when the filings name David Grier in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people David Grier works with at each company, as listed on that company's latest Form D.
Spheryx, Inc. · Form D, Jan 22, 2026
LP
Laura Philips
President and director