About William Sheriff
William Sheriff is an executive chairman at enCore Energy.
Form D filings name William Sheriff as a director at Group 11 Technologies.
William Sheriff reports to the SEC as a director or officer of 3 public companies, including Timberline Resources (TLRS) and Midway Gold (MDW).
William Sheriff first appears on SEC filings in 2008.
Experience
This experience comes from SEC filings. The years are when the filings name William Sheriff in the role, so the role may have started earlier or lasted longer.
EC
enCore Energy Corp.
Executive Chairman
2025 – 2026 · Public company (EU)
TC
Timberline Resources Corp
Director
2014 – 2015 · Public company (TLRS)
MC
Midway Gold Corp
Director
2008 · Public company (MDW)
Key Colleagues at Startups
The people William Sheriff works with at each company, as listed on that company's latest Form D.
Group 11 Technologies Inc. · Form D, Oct 20, 2025
JS
Janet Lee-Sheriff
President and director
DM
David Morgon
Director
SD
Scott Davis
Executive officer
DN
Duane Nelson
Director