Mark Costello: Email & Phone Number

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Select Account Executive - New York Metro at Cisco|New York, New York, United States

Position:

Select Account Executive - New York Metro at Cisco

Location:

New York, New York, United States

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Last updated: 2026-06-19

Updated: 2026-06-19

Found email addresses for Mark Costello:

Business emails:

m*******o@cisco.com,

i*******p@bellatlantic.net,

m*******o@integra1.net

Personal emails:

m***********o@centurytel.net,

i*******p@hotmail.com,

l***********o@comcast.net

Found phones for Mark Costello:

+1-480-***-**74,

+1-909-***-**87,

+1-623-***-**16

A different Mark Costello?

Work Experience 20 years

Select Account Executive - New York Metro at Cisco

Apr 2017 - Current

Account Executive at IntegraONE

Jun 2016 - Apr 2017

SLED Account Executive at Verinext

Jul 2015 - Jun 2016

Account Manager at ConRes

Nov 2006 - Jul 2015

Account Manager at CDW

Jan 2006 - Oct 2006

Mark Costello started working in 2006, then the employee has changed 4 companies and 3 jobs. On average, Mark Costello works for one company for 4 years 1 month.

Their professional focus is Account Management, Channel Partners, and Cisco Technologies across 3 core areas.

Mark holds Selling Business Outcomes English (810-403), Nutanix Platform Sales Representative, and Selling HPE Enterprise Solutions (HPE2-E65) certifications.

Education

Bachelor of Science (B.S.) at Albright College

Frequently Asked Questions

What is Mark Costello's email address?

SignalHire found verified email addresses for Mark Costello, both business and personal. Their business email is m*******o@cisco.com, and personal emails include m***********o@centurytel.net, i*******p@hotmail.com, and l***********o@comcast.net.

What is Mark Costello's phone number?

SignalHire found multiple verified phone numbers for Mark Costello: +1-480-***-**74, +1-909-***-**87, and +1-623-***-**16.

How do I contact Mark Costello at Cisco?

You can reach Mark Costello 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 Mark Costello's professional background?

Mark Costello has 20 years of professional experience. They have held roles including Account Executive, SLED Account Executive, and Account Manager at companies such as IntegraONE, Verinext, and ConRes. Their education includes Bachelor of Science (B.S.) from Albright College.

Is Mark Costello's contact information up to date?

Yes. Mark Costello's SignalHire profile was last updated on 19 June 2026, reflecting their current position as Select Account Executive - New York Metro at Cisco in San Jose, CA, United States.

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