John Serrano: Email & Phone Number

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Billing Specialist at BlackLine|Greater Cleveland, United States

Position:

Billing Specialist at BlackLine

Location:

Greater Cleveland, United States

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Last updated: 2026-06-10

Updated: 2026-06-10

Found email addresses for John Serrano:

Business emails:

j****s@blackline.com

Personal emails:

j*****************o@gmail.com,

j***************o@gmail.com

Found phone for John Serrano:

+1-623-***-**77

A different John Serrano?

Work Experience 19 years

Billing Specialist at BlackLine

Apr 2021 - Current

Accounts Receivable Specialist at BlackLine

May 2020 - Mar 2021

Senior Staff Accountant at DECURION MANAGEMENT COMPANY

Jan 2020 - Apr 2020

Accounts Receivable Specialist (EMEA) at Curvature

Nov 2013 - Oct 2019

Administrative Assistant at Houttuin B.V.

Sep 2012 - Sep 2013

Accounts Payable Administrator / Accounts Receivable Administrator at Houttuin B.V.

Jan 2012 - Aug 2012

Credit Controller at URBAN TRENDS TRADING BV

Feb 2009 - Dec 2011

Assistan Buyer at TomTom

Dec 2007 - Jan 2009

John Serrano started working in 2007, then the employee has changed 5 companies and 7 jobs. On average, John Serrano works for one company for 2 years 3 months.

Their professional focus is Accounting, Account Reconciliation, and Adjustments across 3 core areas.

Education

Bachelor of Laws - LLB at Universidad Autónoma de Bucaramanga

Frequently Asked Questions

What is John Serrano's email address?

SignalHire found verified email addresses for John Serrano, both business and personal. Their business email is j****s@blackline.com, and personal emails include j*****************o@gmail.com, and j***************o@gmail.com.

What is John Serrano's phone number?

SignalHire found a verified phone number for John Serrano: +1-623-***-**77.

How do I contact John Serrano at BlackLine?

You can reach John Serrano 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 John Serrano's professional background?

John Serrano has 19 years of professional experience. They have held roles including Accounts Receivable Specialist, Senior Staff Accountant, and Accounts Receivable Specialist (EMEA) at companies such as BlackLine, DECURION MANAGEMENT COMPANY, and Curvature. Their education includes Bachelor of Laws - LLB from Universidad Autónoma de Bucaramanga.

Is John Serrano's contact information up to date?

Yes. John Serrano's SignalHire profile was last updated on 10 June 2026, reflecting their current position as Billing Specialist at BlackLine in Woodland Hills, CA, United States.

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