Found email addresses for Dan Costello:
Found phones for Dan Costello:
A different Dan Costello?
Sign up to search for other Dan Costello's across our 850M+ professionals databaseWork Experience 17 years
Jul 2025 - Current
Sep 2024 - Jul 2025
Jan 2022 - Sep 2024
Jan 2020 - Sep 2022
Jan 2019 - Jan 2020
Jan 2015 - Jan 2019
Jan 2013 - Jan 2015
Jan 2009 - Jan 2014
Frequently Asked Questions
What is Dan Costello's email address?
SignalHire found verified email addresses for Dan Costello, both business and personal. Their business email is d********o@github.com, and personal emails include d***@userclouds.com.What is Dan Costello's phone number?
SignalHire found multiple verified phone numbers for Dan Costello: +1-403-***-**99, +1-403-***-**84, and +1-403-***-**70.How do I contact Dan Costello at GitHub?
You can reach Dan 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 Dan Costello's professional background?
Dan Costello has 17 years of professional experience. They have held roles including Software Developer, Software Developer, and Software Developer at companies such as UserClouds, Instant Labs, Inc., and Rare Days.Is Dan Costello's contact information up to date?
Yes. Dan Costello's SignalHire profile was last updated on 7 October 2025, reflecting their current position as Software Developer at GitHub in San Francisco, CA, United States.Dan Costello Namesakes
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