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Trevor Zimmerman

Director at Afference. Also a director at Lone Gull Holdings and an executive officer and promoter at Blackhorn Ventures.

InvestorDirectorRoles at 2 startupsBlackhorn Ventures
Updated Nov 10, 2026·Latest SEC filing Aug 12, 2026·Suggest an edit

About Trevor Zimmerman

Trevor Zimmerman is a director at Afference.

Form D filings also name Trevor Zimmerman as a director at Lone Gull Holdings.

Trevor Zimmerman appears on fund filings for Blackhorn Ventures.

Trevor Zimmerman first appears on SEC filings in 2017.

Experience

This experience comes from Trevor Zimmerman's profile and from SEC filings. For roles taken from filings, the years are when the filings name Trevor Zimmerman in the role, so the role may have started earlier or lasted longer.

Afference Inc. Current
Director
2025 – Present · Boulder, CO
Panthalassa Current
Board Member
2024 – Present
Unless Current
Co-Founder and Managing Partner
2021 – Present
Xwing Current
Board Member
2021 – Present
Sustainment Current
Board Member
2020 – Present
Vecna Robotics Current
Board Member
2020 – Present
Factor[e] Ventures Current
Advisor
2017 – Present
University of Colorado Boulder Current
Advisory Board Member - Engineering Plus
2017 – Present
Wunder Current
Board Member
2014 – Present
Lone Gull Holdings, Ltd.
Director
2026 · Portland, OR
Operates a private interstate carrier that transports general freight.
Humatics
Board Member
2019 – 2025
Rhumbix
Board Member
2019 – 2025
Blackhorn Ventures
Co-Founder and Managing Partner
2016 – 2025 · Fund filings for 3 funds
Aether Biomachines, Inc
Board Member
2023 – 2024
Blackstone Entrepreneurs Network Colorado
Growth Advisor
2015 – 2019
Farmore Capital Group
Managing Partner
2013 – 2017
Strata-G, LLC
Technology Startup Leader
2013
Kurion, Inc.
Senior Engineer
2012 – 2013
Oak Ridge National Laboratory
Post-Master's Research Associate
2010 – 2012
Clemson University
Nuclear Regulatory Commission Graduate Fellow
2007 – 2010
United States Naval Research Laboratory
STEP Researcher
2007

Key Colleagues at Startups

The people Trevor Zimmerman works with at each company, as listed on that company's latest Form D.

Lone Gull Holdings, Ltd. · Form D, May 22, 2026
NM
Newton Mack
Director
GC
Garth Sheldon-Coulson
Executive officer and director
RI
Robert Williams III
Secretary and Executive Vice President
BM
Brian Moffat
Director
Afference Inc. · Form D, Dec 16, 2025
DT
Dustin Tyler
Executive officer and director
JS
Jacob Segil
Chief Executive Officer and director
TH
Taylor Hurst
Director

Sources

  1. SECLone Gull Holdings, Ltd. Form D, filed May 22, 2026
  2. SECAfference Inc. Form D, filed Dec 16, 2025