Image of Howie Xu

Howie Xu


VP of ML/AI of Zscaler; ex Greylock Partners EIR, Founder/head of VMware Networking

Palo Alto, California

Section title

Howie Xu's Email Addresses & Phone Numbers

Howie Xu's Work Experience

Greylock Partners


August 2015 to January 2017

Sand Hill Road


Vice President of Machine Learning & AI

TrustPath (Acquired by Zscaler, NASDAQ: ZS)

CEO / Co-Founder

Howie Xu's Education

Stanford University

Graduate School of Business

Howie Xu's Professional Skills Radar Chart

Based on our findings, Howie Xu is ...


What's on Howie Xu's mind?

Based on our findings, Howie Xu is ...

52% Left Brained
48% Right Brained

Howie Xu's Estimated Salary Range

About Howie Xu's Current Company

Greylock Partners

➢ Worked with a legendary team that incubated/grew Facebook, LinkedIn, Airbnb, Palo Alto Networks, Workday, Docker, AppDynamics from the beginning.

Frequently Asked Questions about Howie Xu

What company does Howie Xu work for?

Howie Xu works for Greylock Partners

What is Howie Xu's role at Greylock Partners?

Howie Xu is EIR

What is Howie Xu's personal email address?

Howie Xu's personal email addresses are h****[email protected], and v****[email protected]

What is Howie Xu's business email address?

Howie Xu's business email addresses are not available

What is Howie Xu's Phone Number?

Howie Xu's phone (213) ***-*103

What industry does Howie Xu work in?

Howie Xu works in the Computer Software industry.

About Howie Xu

📖 Summary

EIR @ Greylock Partners ➢ Worked with a legendary team that incubated/grew Facebook, LinkedIn, Airbnb, Palo Alto Networks, Workday, Docker, AppDynamics from the beginning. From August 2015 to January 2017 (1 year 6 months) Sand Hill RoadVice President of Machine Learning & AI @ Zscaler ➢ Driving ML/AI at the largest and best cloud security company CEO / Co-Founder @ TrustPath (Acquired by Zscaler, NASDAQ: ZS) ➢ A small but super talented team with aspiration to transform security with AI/ML.➢ Funded by top-tier VCs, accomplished hi-tech CEOs, Stanford/Berkeley professors. Guest Lecturer @ Stanford University ➢ Guest lecturer at Stanford Graduate School of Business executive programs Senior Advisor @ RIDGE-LANE Limited Partners Former Governor Thomas J. Ridge and financier R. Brad Lane founded this strategic advisory and venture firm focusing on grand challenges in Education, Sustainability, and IT. Cloud & Networking Services BU @ Cisco ➢ Managed entire 400 engineers globally for Cisco's Cloud and Networking Services BU➢ Owned a wide product portfolios, ranging from hybrid cloud (InterCloud Fabric) to SDN/NFV➢ InterCloud Fabric is Cisco's cloud strategy, helping customers migrate workloads from on-prem to cloud, from one cloud to another cloud. From 2013 to 2015 (2 years) VP of Engineering @ Big Switch Networks ➢ As the founding VP Engineer, built up from scratch one of the best silicon valley start-up teams➢ Instrumental in raising a large round of funding from Redpoint, Index, Khosla➢ Big Switch has been leading the Software Defined Network revolution since its inception and is still the largest pure play SDN player worldwide. SDN technology paves way for private cloud, hybrid cloud, and public cloud build out. From 2011 to 2013 (2 years) Palo AltoBoard of Directors, Advisor, Investor (various) @ Machine Learning and AI companies ➢ On the board of an HR SaaS company, funded by Sequoia et al➢ On the board of a next-gen Retailer OS company, disrupting "Amazon Go"➢ On the advisory board of two blockchain companies and one container security company➢ Advisor/coach at Alchemist Accelerator, the largest and best accelerator dedicated to enterprise startups➢ Angel investors into amazing entrepreneurs Palo AltoFounder / Head of Networking (now NSBU) @ VMware ➢ As one of the very first engineers and leaders for vSphere, I wrote one of the first few lines of the code of Virtual Switch, helped the product revenue to grow from 0 to $4B, from 10+ developers to 10,000+ employees in 10 years. Virtualization changed computing industry forever.➢ Ran all of VMware's network product portfolio for a decade; incubated networking and security VMsafe ecosystem and set the stage for NSX offering.➢ Co-invented network virtualization technology which led to the creation of SDN and NFV industry. Earned multiple key patents in networking and IP storage for VMware flagship product.➢ Server virtualization is the most fundamental system level technology for both private cloud and public cloud. From 2002 to 2011 (9 years) Palo AltoEngineer / Researcher @ (various) NFR Security (Acquired by CheckPoint)➢ Led the design of high-performance Network Intrusion Detection System based on Intel IXP1200 NPU. NFR was acquired by Check Point and the Sentivist product line became Check Point IPS-1MCI Worldcom (acquired by Verizon)➢ Led the OCXMON research under Vint Cerf's Advanced Internet Technology teamPulsecom (acquired by ECI)➢ Led the DSL Access MultiplexerTektronix CPID (acquired by Xerox)➢ Implemented ftpd/telnetd/httpd on Falcon color printer From 1997 to 2001 (4 years)

Howie Xu’s Personal Email Address, Business Email, and Phone Number

are curated by ContactOut on this page.

10x your recruitment & sales conversations

Contact over 200M professionals
instantly by email or phone. Reveal
personal & work email addresses, as
well as phone numbers accurately with
our ContactOut Chrome extension.

In a nutshell

Howie Xu's Personality Type

Introversion (I), Sensing (S), Thinking (T), Perceiving (P)

Average Tenure

3 year(s), 8 month(s)

Howie Xu's Willingness to Change Jobs



Open to opportunity?

There's 95% chance that Howie Xu is seeking for new opportunities

Engage candidates 10x faster

Enjoy unlimited access and discover candidates outside of LinkedIn

Trusted by 400K users from

76% of Fortune 500 companies

Microsoft Nestle PWC JP Morgan Merck Rackspace WarnerMedia Randstad Yelp Google

The most accurate data ever

CCPA Compliant
GDPA Aligned
150M Personal Emails
300M Work Emails
50M Direct Dials
200M Professional Profiles
30M Company Profiles

Hire Anyone, Anywhere
with ContactOut today

Making remote or global hires? We can help.

  • 50 contacts/month
  • Works on standard LinkedIn only
  • Work emails, personal emails, mobile numbers
* 1 user per company limit

No credit card required

Try ContactOut for Free