# Wes Sonnenreich

> Wes Sonnenreich is the Co-CEO and co-founder of Practera, the experiential-learning platform that turns real industry projects into scalable, credit-bearing coursework for tens of thousands of students a year. An MIT-trained engineer who once wrote the book on network security - literally, more than one - he has spent 25-plus years building at the seam between technology and learning: from a 1990s web-metrics startup and a security consultancy to running Deloitte Australia's innovation program. Today he splits his attention between Sydney and Cambridge, Massachusetts, evangelizing a future where people learn alongside machines instead of competing with them.

- **Role:** Co-CEO and Co-founder at Practera
- **Organizations:** Practera (formerly Intersective), SageSecure LLC, Pharmatrak, Deloitte Australia, Sirius Minerals Plc
- **Nationality:** American
- **Education:** B.S. in Computer Science, Music, and Management, Massachusetts Institute of Technology (MIT), Executive leadership training, Harvard Business School
- **Known for:** Co-founded and scaled Practera into a platform used by roughly half of Australia's universities and institutions including Boston University, Author or co-author of three technology books spanning search engines, firewalls, and network security, Holds multiple patents, including early distance-learning and experiential-learning technology

## Career timeline

- **1997** — Publishes 'A History of Search Engines' and begins writing about web technology
- **1998** — Co-authors 'Web Developer's Guide to Search Engines'
- **1999** — Files a patent for an internet-based distance learning system; founds Pharmatrak, a web-metrics tool for pharmaceutical companies
- **2000** — Co-authors 'Building Linux and OpenBSD Firewalls'
- **2003** — Co-authors 'Network Security Illustrated' with Jason Albanese
- **2006** — Publishes the Return on Security Investment (ROSI) papers; co-founds SageSecure LLC, an information risk management consultancy
- **2013** — Co-founds Intersective (later Practera) with Beau Leese and Suzy Watson
- **2018** — Practera/Intersective raises $3.75M Series A led by Main Sequence Ventures
- **2020** — Files a patent for monitoring a learner's progress through an experiential learning cycle
- **2025** — Speaks at the MIT AI Conference in a fireside chat with Grammarly CEO Shishir Mehrotra on building AI-powered products

## Achievements

- Co-founded and scaled Practera into a platform used by roughly half of Australia's universities and institutions including Boston University
- Author or co-author of three technology books spanning search engines, firewalls, and network security
- Holds multiple patents, including early distance-learning and experiential-learning technology
- Raised a $3.75M Series A led by Main Sequence Ventures (CSIRO's venture arm)
- Directed Deloitte Australia's innovation program
- Authored the influential ROSI (Return on Security Investment) quantitative model

## Latest updates

- **2025-10** — Joined Grammarly CEO Shishir Mehrotra for a fireside chat at the MIT AI Conference on building AI-powered products.

## Links

- Website: https://sonnenreich.com/
- LinkedIn: https://www.linkedin.com/in/sonnenreich/

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Profile page: https://yespress.io/wes-sonnenreich
Published by YesPress — https://yespress.io
Last updated: 2026-06-11