Sean Donnelly

Founder, Investor, Advisor, Technical SME

📍 United States🔄 Updated September 2026💼 1 investments📅 3 years investing🗓 Last invested Dec 2023
VC🌍 United States
1
Total investments
0
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0
Mid stage
1
Late stage
3y
Years active

Portfolio

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Investor, Board Observer
Dec 2023
Founded in 2015 by experts from the U.S. Cyber Command and MIT’s Lincoln Laboratory, SimSpace combines the highest-fidelity, military-grade cyber ranges and training content with unique user and adversary emulation techniques. By providing team and individual training exercises, attack simulations, mission rehearsals, and product evaluations that leverage its cyber range, the SimSpace Cyber Force Platform delivers quantitative and actionable insights into how an organization can protect critical assets against cyber threats. SimSpace prepares individuals, teams and leaders for continued success against ever-evolving adversaries. No other organization has SimSpace’s depth of experience in creating high fidelity cyber ranges with unique user and adversary emulation techniques. These techniques are designed to stress people, process and technology across individual and team-level training exercises, attack simulations, mission rehearsals, and product evaluations. SimSpaces mission is to provide an automated, cost-effective evaluation method for calculating cyber risks based on realistic comprehensive assessments of holistic capability to yield more secure networks globally.
Experience · 5 entries
All (5)
Investments (1)
Founder (3)
Board (1)
2024
Co-Founder, CEO
Aug 2024
Software licensing should be simple, flexible, and fast. r4 allows users to license software, manage licenses, track associated costs, and organize their assets all in one place. Users have access to these features through a modern dashboard, developer CLI tool, and API.
2023
Co-Founder
Dec 2023
Argonaut Motor Club provides motorsport services and products to privateer teams
Investor, Board Observer
Dec 2023
Founded in 2015 by experts from the U.S. Cyber Command and MIT’s Lincoln Laboratory, SimSpace combines the highest-fidelity, military-grade cyber ranges and training content with unique user and adversary emulation techniques. By providing team and individual training exercises, attack simulations, mission rehearsals, and product evaluations that leverage its cyber range, the SimSpace Cyber Force Platform delivers quantitative and actionable insights into how an organization can protect critical assets against cyber threats. SimSpace prepares individuals, teams and leaders for continued success against ever-evolving adversaries. No other organization has SimSpace’s depth of experience in creating high fidelity cyber ranges with unique user and adversary emulation techniques. These techniques are designed to stress people, process and technology across individual and team-level training exercises, attack simulations, mission rehearsals, and product evaluations. SimSpaces mission is to provide an automated, cost-effective evaluation method for calculating cyber risks based on realistic comprehensive assessments of holistic capability to yield more secure networks globally.
Managing Member, CIO
Sep 2023
Freeway Investments manages a private investment fund focused on cybersecurity equities.
2018
Founder, CEO
Mar 2018
Resolvn builds mature federal agency cybersecurity teams through the development and delivery of operationally focused, range-based training environments, content, and software.