Marcus Wu: Email & Phone Number

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Director of Customer Support at Zendesk|United States

Position:

Director of Customer Support at Zendesk

Location:

United States

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Last updated: 2025-12-18

Updated: 2025-12-18

Found email addresses for Marcus Wu:

Business emails:

w**@zdsk.co

Personal emails:

m***@hotmail.com,

w***@cisco.com,

m***@aol.com,

w***@zdsk.co

Found phones for Marcus Wu:

+1-870-***-**43,

+1-520-***-**08

A different Marcus Wu?

Work Experience 24 years

Director of Customer Support at Zendesk

May 2024 - Current

Technical Account Manager at Zendesk

May 2021 - Oct 2024

Senior Technical Support Engineer at Zendesk

Nov 2018 - Apr 2021

Customer Success Engineer at Cisco

Oct 2015 - Jan 2018

Senior Technical Support Engineer / Senior Product Support Engineer at Cisco

Jun 2010 - May 2015

Level 2 Technical Support Engineer/Product Support Specialist at Cisco

Sep 2007 - May 2010

Technical Support Engineer at Flex

May 2004 - Aug 2007

Assistant Software Engineer at Flex

Jan 2003 - Apr 2004

IT Support Intern at Flex

Jul 2002 - Dec 2002

Marcus Wu started working in 2002, then the employee has changed 2 companies and 8 jobs. On average, Marcus Wu works for one company for 2 years 6 months.

Their professional focus is API & Integration Troubleshooting, Cross-functional Collaboration, and Customer Success & Retention across 3 core areas.

Education

Master of Science at The University of Texas at Dallas

Frequently Asked Questions

What is Marcus Wu's email address?

SignalHire found verified email addresses for Marcus Wu, both business and personal. Their business email is w**@zdsk.co, and personal emails include m***@hotmail.com, w***@cisco.com, and m***@aol.com.

What is Marcus Wu's phone number?

SignalHire found multiple verified phone numbers for Marcus Wu: +1-870-***-**43, and +1-520-***-**08.

How do I contact Marcus Wu at Zendesk?

You can reach Marcus Wu through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Marcus Wu's professional background?

Marcus Wu has 24 years of professional experience. They have held roles including Technical Account Manager, Senior Technical Support Engineer, and Customer Success Engineer at companies such as Zendesk, Zendesk, and Cisco. Their education includes Master of Science from The University of Texas at Dallas.

Is Marcus Wu's contact information up to date?

Yes. Marcus Wu's SignalHire profile was last updated on 18 December 2025, reflecting their current position as Director of Customer Support at Zendesk in San Francisco, California, United States.

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