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Hilary O'Brien Email & Phone Number

Senior Content Marketing Manager at BlackLine
Location: Paso Robles, California, United States 11 work roles 2 schools
3 work emails found @ibisworld.com 3 phones found area 443 and 139 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 3 work emails · 3 phones

Work email h****@ibisworld.com
Direct phone (443) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Content Marketing Manager
Location
Paso Robles, California, United States
Company size

Who is Hilary O'Brien? Overview

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Quick answer

Hilary O'Brien is listed as Senior Content Marketing Manager at BlackLine, a company with 501 employees, based in Paso Robles, California, United States. AeroLeads shows a work email signal at ibisworld.com, phone signal with area code 443, 139, and a matched LinkedIn profile for Hilary O'Brien.

Hilary O'Brien previously worked as Freelance Business Writer at Freelance and Head Of Content at Ibisworld. Hilary O'Brien holds Bachelor Of Arts, International Affairs from The George Washington University.

Company email context

Email format at BlackLine

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*@ibisworld.com
74% confidence

AeroLeads found 3 current-domain work email signals for Hilary O'Brien. Compare company email patterns before reaching out.

Profile bio

About Hilary O'Brien

I'm a marketing and communications professional with diverse and extensive experience in corporate environments plus past work at agencies and non-profits. I’ve developed a proven ability to work with and foster connections with individuals and teams at all levels. I’m a quick learner with excellent time management and people skills and a strong work ethic which allow me to work efficiently in any situation. I’m proud to be respected by peers, leaders, and clients for my commitment to seeing projects through to completion and my ability to build excellent relationships on teams.

Listed skills include Copywriting, Copy Editing, Proofreading, Media Buying, and 7 others.

Current workplace

Hilary O'Brien's current company

Company context helps verify the profile and gives searchers a useful next step.

BlackLine
Blackline
Senior Content Marketing Manager
Woodland Hills, CA
Website
Employees
501
AeroLeads page
11 roles · 24 years

Hilary O'Brien work experience

A career timeline built from the work history available for this profile.

Senior Content Marketing Manager

Current

Woodland Hills, CA, US

- Responsible for researching, conceptualizing, and writing content in multiple formats to fuel BlackLine’s overall content strategy.- Ensure quality and adherence to BlackLine’s brand and style guidelines.- Work cross-departmentally with client marketing, web/SEO, social, paid search, and other teams to distribute and promote content.- Perform content.

Nov 2021 - Present

Freelance Business Writer

Current
Freelance

- Write custom blog posts and informational articles for a B2C ecommerce website to drive organic traffic, improve customer engagement, increase click through metrics from email marketing, and educate users- Create unique product descriptions for SEO- Compose a monthly email newsletter for a client in the HR space to share engaging content that drives.

Jun 2017 - Present

Head Of Content

Melbourne, Victoria, AU

- Part of a lean team that grew organic traffic to ibisworld.com by over 200% from 2018-2021 by focusing on high quality, unique, scalable, and customer focused content that directly addressed challenges of our key markets.- Brand management of the global IBISWorld brand, ensuring every touchpoint during the buying journey meets established standards of.

Dec 2017 - Oct 2021

Marketing Copywriter

Melbourne, Victoria, AU

Mar 2017 - Dec 2017

Contract Copywriter

Westlake Village, CA, US

- Contribute regularly to WWBW.com: educational articles for B2B and B2C content marketing & SEO; web copy for product pages; content for paid ad landing pages

Nov 2016 - Aug 2021

Marketing Manager, Woodwind & Brasswind

Westlake Village, CA, US

- Content marketing for SEO and to drive customer acquisition, provide thought leadership and customer education, and inspire brand loyalty- Management, composition, and execution of B2B customer emails including weekly newsletters, welcome campaigns, tradeshow communications, product launch campaigns, and ad hoc marketing messages- Go-to-market product.

Jul 2014 - Oct 2016

Mba Student

Frederick, MD, US

2012 - 2015 ~3 yrs

Recruitment Project Manager

Basel, CH

- Working with US-based and international teams, served as lead project manager on global launch of HR software (Taleo applicant tracking system), including conducting stakeholder interviews, organizing vendor demonstrations, leading roll out activities, managing communications and customer service, and composing training documents- Co-led creation of.

2011 - 2012 ~1 yr

Marketing Coordinator

San Diego, CA, US

- Worked directly with search engine marketing firm to improve organic search results and increase web traffic- Composed, edited, approved, and executed marketing and sales materials, direct mail pieces, and emails - Managed marketing strategies to promote launch of new products, increase sales, and retain customers

2009 - 2010 ~1 yr

Marketing Program Manager

Los Angeles, CA, US

- Integral part of team that specified and implemented SEO and product page enhancements that increased orders 48% for Mother’s Day 2008, lifted overall conversion rates by 3% in 2009, increased orders by 19% for Valentine's Day 2010, and increased orders by 23% for Mother's Day 2010- Produced, coordinated, and presented webinars focused on marketing and.

2006 - 2009 ~3 yrs

Meetings/Membership Assistant

Washington, DC, US

- Co-directed the planning, organization, and execution of the GFWC Annual International Conventions, Board of Directors Meetings, and other organizational meetings- Managed meeting registration finances (over $400,000 annually) and exhibit hall finances for annual convention ($10,000+), which resulted in GFWC’s Finance office revising its financial.

2002 - 2005 ~3 yrs
Team & coworkers

Colleagues at BlackLine

Other employees you can reach at blackline.com. View company contacts for 501 employees →

2 education records

Hilary O'Brien education

Bachelor Of Arts, International Affairs

The George Washington University

Master Of Business Administration (Mba)

Hood College
FAQ

Frequently asked questions about Hilary O'Brien

Quick answers generated from the profile data available on this page.

What company does Hilary O'Brien work for?

Hilary O'Brien works for BlackLine.

What is Hilary O'Brien's role at BlackLine?

Hilary O'Brien is listed as Senior Content Marketing Manager at BlackLine.

What is Hilary O'Brien's email address?

AeroLeads has found 3 work email signals at @ibisworld.com for Hilary O'Brien at BlackLine.

What is Hilary O'Brien's phone number?

AeroLeads has found 3 phone signal(s) with area code 443, 139 for Hilary O'Brien at BlackLine.

Where is Hilary O'Brien based?

Hilary O'Brien is based in Paso Robles, California, United States while working with BlackLine.

What companies has Hilary O'Brien worked for?

Hilary O'Brien has worked for Blackline, Freelance, Ibisworld, Guitar Center, and Hood College.

Who are Hilary O'Brien's colleagues at BlackLine?

Hilary O'Brien's colleagues at BlackLine include Dominique Charles, Michelle Israel, Gregory Burns, Ravi Kiran Nukala, and Sanjeev Kumar.

How can I contact Hilary O'Brien?

You can use AeroLeads to view verified contact signals for Hilary O'Brien at BlackLine, including work email, phone, and LinkedIn data when available.

What schools did Hilary O'Brien attend?

Hilary O'Brien holds Bachelor Of Arts, International Affairs from The George Washington University.

What skills is Hilary O'Brien known for?

Hilary O'Brien is listed with skills including Copywriting, Copy Editing, Proofreading, Media Buying, Marketing, Advertising, E Commerce, and Strategy.

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