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Profile

Jonathan Siegel

Location: USA

Jonathan Siegel is the co-founder of Sign Time. Mr. Siegel is the founder and chairman of Xenon Ventures. He is a co-founder and strategist at Ftopia. Dr. Siegel is also a director at Right Ventures. Jonathan is also the founder of 4 Internet companies: ELC Technologies (acquired by Kamran Pourzanjani of PriceGrabber), RightCart (acquired by Buy.com), RightScale and RightSignature. He also worked as an advisor at Sysdig.

NUMBER

#423

Xs

133

Investments

32

Exits

23
Photo by areteindex.com
Unicorns
Overview
About Jonathan Siegel
Number of Portfolio Companies 2
Location USA

Jonathan Siegel is the co-founder of Sign Time. Mr. Siegel is the founder and chairman of Xenon Ventures. He is a co-founder and strategist at Ftopia. Dr. Siegel is also a director at Right Ventures. Jonathan is also the founder of 4 Internet companies: ELC Technologies (acquired by Kamran Pourzanjani of PriceGrabber), RightCart (acquired by Buy.com), RightScale and RightSignature. He also worked as an advisor at Sysdig. In 2010, Jonathan joined Accel Partners in London and returned to San Francisco in March 2011. He has served on Amazon Web Services’ customer advisory board since 2008. Jonathan is a frequent speaker on mobile and cloud computing. He is passionate about supporting early stage technology startup founders.

Jonathan Siegel

Geek

https://www.linkedin.com/in/jsiegel/

Partner

Bass & Siegel, LLP (January 2023 – Present)

  • California-based law firm specializing in technology and business law
  • Provides remote legal services focused on technology organizations
  • Emphasis on scalable business models and early-stage SaaS companies

Associate Dean

Hamming College (June 2022 – Present)

  • Part-time academic leadership role
  • Located in Dover, Delaware
  • Contributing to academic development and institutional growth

Geek

ScoutAPM (September 2018 – Present)

  • Technology-focused role in application performance monitoring
  • Contributes to product strategy and technical implementation
  • Leverages strong technology background for organizational development

Chairman

Xenon Partners (January 2014 – Present)

  • Investment firm specializing in acquiring and accelerating early-stage SaaS products
  • Notable portfolio companies include DreamFactory, Iron.io, Scripted, and EarthClassMail
  • Focus on revamping and optimizing acquired startups for successful exits
  • Based in Las Vegas, NV
  • Demonstrated success in turning around underperforming technology companies

Chairman

Earth Class Mail (June 2015 – January 2017)

  • Industry leader in virtual mail and address solutions
  • Served Fortune 500 to Fortune 5,000,000 companies
  • Developed automation systems for invoice handling, check deposits, and HR workflows
  • Built comprehensive mail-oriented workflow solutions
  • Located in Beaverton, OR

Jonathan Siegel Investment Portfolio

Matcha

  • Deal Date: May 31, 2022
  • Deal Type: Later Stage VC
  • Industry: Information Services (B2C)
  • Stage: Generating Revenue

Arro

  • Deal Date: January 25, 2022
  • Industry: Business/Productivity Software
  • Stage: Product Development

Autify

  • Deal Date: October 6, 2021
  • Industry: Software Development Applications
  • Stage: Generating Revenue

Spir

  • Deal Date: April 30, 2021
  • Industry: Business/Productivity Software
  • Stage: Generating Revenue

Anzen

  • Deal Date: January 4, 2021
  • Industry: Other Insurance
  • Stage: Generating Revenue

FLIP (Oakland)

  • Deal Date: June 4, 2019
  • Industry: Specialty Retail
  • Stage: Generating Revenue

Vivo

  • Deal Date: November 1, 2016
  • Industry: Educational and Training Services (B2C)
  • Stage: Generating Revenue

Open Collective

  • Deal Date: October 1, 2015
  • Industry: Financial Software
  • Stage: Generating Revenue

Cloud Academy

  • Deal Date: June 30, 2015
  • Deal Type: Early Stage VC
  • Industry: Educational Software
  • Stage: Generating Revenue

Barricade Security Systems

  • Deal Date: March 1, 2015
  • Deal Type: Early Stage VC
  • Industry: Network Management Software
  • Stage: Startup

Education

Certifications

  • LFCS: Linux Foundation Certified Systems Administrator (2023-2026)
  • California State Bar Attorney (2022) – Credential ID 347043

Skills

  • Startups (99+ endorsements)
  • Entrepreneurship (59 endorsements)
  • Early Stage SaaS Development
  • Technology Organization Management
  • Business Model Development

Contact Information

  • Location: San Francisco, California, United States

LinkedIn Connections: 500+ – Professional Followers: 2,963

No data.

Company name
ENTRY ROUND
VALUATION at entry ($M)
Xs
VALUATION 
$8M
212,5
$1 700M
Seed
$20M
65
$1 300M

No data.

2025