PROOF

PROOF is a venture capital firm that focuses on expansion-stage investments in high-growth companies across venture capital sectors, excluding life sciences. It partners with seed and early-stage funds to fuel scaling and market reach, and it leverages pro-rata rights in exchange for sharing part of the upside. Founded in 2015 and headquartered in Reston, Virginia, PROOF supports portfolio companies through subsequent financing rounds and strategic growth initiatives, aiming to accelerate scale and value creation for its investors and partners.

John Backus Jr.

Co-Founder and Managing Partner

John Burke

Co-Founder and Managing Partner

Mel Davidson

CFO

Thanasis Delistathis

Co-Founder and Managing Partner at PROOF

Jennifer Schretter

General Partner

Past deals in Virginia

Invincea

Venture Round in 2016
Invincea, Inc. is a cybersecurity company based in Fairfax, Virginia, specializing in advanced endpoint security software solutions. Founded in 2006 and originally known as Secure Command, LLC, Invincea rebranded in 2010 and has since positioned itself as a leader in endpoint threat protection, serving over 25,000 customers and 3 million active users across various sectors, including education, finance, healthcare, and utilities. The company's flagship product, X by Invincea, leverages machine learning and behavioral monitoring to detect and neutralize sophisticated cyber threats, such as spear phishing and drive-by downloads, without compromising user productivity. Invincea's innovative technology, which originated from DARPA-funded research, has garnered multiple awards for its effectiveness in countering advanced attacks that evade traditional security measures. Additionally, Invincea collaborates with Dell to provide a customized version of its endpoint security solution for commercial PCs and tablets, further extending its market presence and impact. As of 2017, Invincea operates as a subsidiary of Sophos Group plc.

Invincea

Series C in 2013
Invincea, Inc. is a cybersecurity company based in Fairfax, Virginia, specializing in advanced endpoint security software solutions. Founded in 2006 and originally known as Secure Command, LLC, Invincea rebranded in 2010 and has since positioned itself as a leader in endpoint threat protection, serving over 25,000 customers and 3 million active users across various sectors, including education, finance, healthcare, and utilities. The company's flagship product, X by Invincea, leverages machine learning and behavioral monitoring to detect and neutralize sophisticated cyber threats, such as spear phishing and drive-by downloads, without compromising user productivity. Invincea's innovative technology, which originated from DARPA-funded research, has garnered multiple awards for its effectiveness in countering advanced attacks that evade traditional security measures. Additionally, Invincea collaborates with Dell to provide a customized version of its endpoint security solution for commercial PCs and tablets, further extending its market presence and impact. As of 2017, Invincea operates as a subsidiary of Sophos Group plc.

Koofers

Series A in 2010
Koofers, Inc. is a consumer internet platform based in Blacksburg, Virginia, founded in 2008, that aims to support college students in their academic and professional pursuits. The platform provides free access to a range of resources, including practice exams, test banks, professor ratings, grade distribution data, and flashcards. Additionally, Koofers features a class schedule maker to help students organize their coursework. The company also offers an enterprise solution, Koofers Campus Recruiter, which connects employers and recruiting firms with over one million college students seeking internships and full-time job opportunities. Through its innovative platform, Koofers enhances the educational experience and facilitates career development for students.

Koofers

Seed Round in 2010
Koofers, Inc. is a consumer internet platform based in Blacksburg, Virginia, founded in 2008, that aims to support college students in their academic and professional pursuits. The platform provides free access to a range of resources, including practice exams, test banks, professor ratings, grade distribution data, and flashcards. Additionally, Koofers features a class schedule maker to help students organize their coursework. The company also offers an enterprise solution, Koofers Campus Recruiter, which connects employers and recruiting firms with over one million college students seeking internships and full-time job opportunities. Through its innovative platform, Koofers enhances the educational experience and facilitates career development for students.

Invincea

Series A in 2009
Invincea, Inc. is a cybersecurity company based in Fairfax, Virginia, specializing in advanced endpoint security software solutions. Founded in 2006 and originally known as Secure Command, LLC, Invincea rebranded in 2010 and has since positioned itself as a leader in endpoint threat protection, serving over 25,000 customers and 3 million active users across various sectors, including education, finance, healthcare, and utilities. The company's flagship product, X by Invincea, leverages machine learning and behavioral monitoring to detect and neutralize sophisticated cyber threats, such as spear phishing and drive-by downloads, without compromising user productivity. Invincea's innovative technology, which originated from DARPA-funded research, has garnered multiple awards for its effectiveness in countering advanced attacks that evade traditional security measures. Additionally, Invincea collaborates with Dell to provide a customized version of its endpoint security solution for commercial PCs and tablets, further extending its market presence and impact. As of 2017, Invincea operates as a subsidiary of Sophos Group plc.

Koofers

Seed Round in 2008
Koofers, Inc. is a consumer internet platform based in Blacksburg, Virginia, founded in 2008, that aims to support college students in their academic and professional pursuits. The platform provides free access to a range of resources, including practice exams, test banks, professor ratings, grade distribution data, and flashcards. Additionally, Koofers features a class schedule maker to help students organize their coursework. The company also offers an enterprise solution, Koofers Campus Recruiter, which connects employers and recruiting firms with over one million college students seeking internships and full-time job opportunities. Through its innovative platform, Koofers enhances the educational experience and facilitates career development for students.

Ikimbo

Series C in 2001
Ikimbo offers communication and collaboration software and services for companies. It provides a unified applications platform that includes instant messaging, group email management, and real-time and asynchronous communication. The company also offers professional services to assist clients in planning, implementation and integration with legacy systems. Ikimbo’s clients include well known companies such as PricewaterhouseCoopers and Best Software. Ikimbo’s strategic partners include BroadBeam, OTG, Oracle, Hewlett-Packard, Ventera Corporation and Network Solutions. The company was established in 1999 and is based in Reston, Virginia.
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